Re: Linux 5.15.149

Greg Kroah-Hartman
2024-02-23T08:19:16Z

diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq
index 5e6b74f30406..1e7e0bb4c14e 100644
--- a/Documentation/ABI/testing/sysfs-class-devfreq
+++ b/Documentation/ABI/testing/sysfs-class-devfreq
@@ -52,6 +52,9 @@ Description:

echo 0 > /sys/class/devfreq/.../trans_stat

+ If the transition table is bigger than PAGE_SIZE, reading
+ this will return an -EFBIG error.
+
What: /sys/class/devfreq/.../available_frequencies
Date: October 2012
Contact: Nishanth Menon <nm@ti.com>
diff --git a/Documentation/ABI/testing/sysfs-class-net-queues b/Documentation/ABI/testing/sysfs-class-net-queues
index 978b76358661..40d5aab8452d 100644
--- a/Documentation/ABI/testing/sysfs-class-net-queues
+++ b/Documentation/ABI/testing/sysfs-class-net-queues
@@ -1,4 +1,4 @@
-What: /sys/class/<iface>/queues/rx-<queue>/rps_cpus
+What: /sys/class/net/<iface>/queues/rx-<queue>/rps_cpus
Date: March 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
@@ -8,7 +8,7 @@ Description:
network device queue. Possible values depend on the number
of available CPU(s) in the system.

-What: /sys/class/<iface>/queues/rx-<queue>/rps_flow_cnt
+What: /sys/class/net/<iface>/queues/rx-<queue>/rps_flow_cnt
Date: April 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
@@ -16,7 +16,7 @@ Description:
Number of Receive Packet Steering flows being currently
processed by this particular network device receive queue.

-What: /sys/class/<iface>/queues/tx-<queue>/tx_timeout
+What: /sys/class/net/<iface>/queues/tx-<queue>/tx_timeout
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
@@ -24,7 +24,7 @@ Description:
Indicates the number of transmit timeout events seen by this
network interface transmit queue.

-What: /sys/class/<iface>/queues/tx-<queue>/tx_maxrate
+What: /sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate
Date: March 2015
KernelVersion: 4.1
Contact: netdev@vger.kernel.org
@@ -32,7 +32,7 @@ Description:
A Mbps max-rate set for the queue, a value of zero means disabled,
default is disabled.

-What: /sys/class/<iface>/queues/tx-<queue>/xps_cpus
+What: /sys/class/net/<iface>/queues/tx-<queue>/xps_cpus
Date: November 2010
KernelVersion: 2.6.38
Contact: netdev@vger.kernel.org
@@ -42,7 +42,7 @@ Description:
network device transmit queue. Possible vaules depend on the
number of available CPU(s) in the system.

-What: /sys/class/<iface>/queues/tx-<queue>/xps_rxqs
+What: /sys/class/net/<iface>/queues/tx-<queue>/xps_rxqs
Date: June 2018
KernelVersion: 4.18.0
Contact: netdev@vger.kernel.org
@@ -53,7 +53,7 @@ Description:
number of available receive queue(s) in the network device.
Default is disabled.

-What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
+What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
@@ -62,7 +62,7 @@ Description:
of this particular network device transmit queue.
Default value is 1000.

-What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
+What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
@@ -70,7 +70,7 @@ Description:
Indicates the number of bytes (objects) in flight on this
network device transmit queue.

-What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit
+What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
@@ -79,7 +79,7 @@ Description:
on this network device transmit queue. This value is clamped
to be within the bounds defined by limit_max and limit_min.

-What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
+What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
@@ -88,7 +88,7 @@ Description:
queued on this network device transmit queue. See
include/linux/dynamic_queue_limits.h for the default value.

-What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
+What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
diff --git a/Documentation/ABI/testing/sysfs-class-net-statistics b/Documentation/ABI/testing/sysfs-class-net-statistics
index 55db27815361..53e508c6936a 100644
--- a/Documentation/ABI/testing/sysfs-class-net-statistics
+++ b/Documentation/ABI/testing/sysfs-class-net-statistics
@@ -1,4 +1,4 @@
-What: /sys/class/<iface>/statistics/collisions
+What: /sys/class/net/<iface>/statistics/collisions
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -6,7 +6,7 @@ Description:
Indicates the number of collisions seen by this network device.
This value might not be relevant with all MAC layers.

-What: /sys/class/<iface>/statistics/multicast
+What: /sys/class/net/<iface>/statistics/multicast
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -14,7 +14,7 @@ Description:
Indicates the number of multicast packets received by this
network device.

-What: /sys/class/<iface>/statistics/rx_bytes
+What: /sys/class/net/<iface>/statistics/rx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -23,7 +23,7 @@ Description:
See the network driver for the exact meaning of when this
value is incremented.

-What: /sys/class/<iface>/statistics/rx_compressed
+What: /sys/class/net/<iface>/statistics/rx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -32,7 +32,7 @@ Description:
network device. This value might only be relevant for interfaces
that support packet compression (e.g: PPP).

-What: /sys/class/<iface>/statistics/rx_crc_errors
+What: /sys/class/net/<iface>/statistics/rx_crc_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -41,7 +41,7 @@ Description:
by this network device. Note that the specific meaning might
depend on the MAC layer used by the interface.

-What: /sys/class/<iface>/statistics/rx_dropped
+What: /sys/class/net/<iface>/statistics/rx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -51,7 +51,7 @@ Description:
packet processing. See the network driver for the exact
meaning of this value.

-What: /sys/class/<iface>/statistics/rx_errors
+What: /sys/class/net/<iface>/statistics/rx_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -59,7 +59,7 @@ Description:
Indicates the number of receive errors on this network device.
See the network driver for the exact meaning of this value.

-What: /sys/class/<iface>/statistics/rx_fifo_errors
+What: /sys/class/net/<iface>/statistics/rx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -68,7 +68,7 @@ Description:
network device. See the network driver for the exact
meaning of this value.

-What: /sys/class/<iface>/statistics/rx_frame_errors
+What: /sys/class/net/<iface>/statistics/rx_frame_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -78,7 +78,7 @@ Description:
on the MAC layer protocol used. See the network driver for
the exact meaning of this value.

-What: /sys/class/<iface>/statistics/rx_length_errors
+What: /sys/class/net/<iface>/statistics/rx_length_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -87,7 +87,7 @@ Description:
error, oversized or undersized. See the network driver for the
exact meaning of this value.

-What: /sys/class/<iface>/statistics/rx_missed_errors
+What: /sys/class/net/<iface>/statistics/rx_missed_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -96,7 +96,7 @@ Description:
due to lack of capacity in the receive side. See the network
driver for the exact meaning of this value.

-What: /sys/class/<iface>/statistics/rx_nohandler
+What: /sys/class/net/<iface>/statistics/rx_nohandler
Date: February 2016
KernelVersion: 4.6
Contact: netdev@vger.kernel.org
@@ -104,7 +104,7 @@ Description:
Indicates the number of received packets that were dropped on
an inactive device by the network core.

-What: /sys/class/<iface>/statistics/rx_over_errors
+What: /sys/class/net/<iface>/statistics/rx_over_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -114,7 +114,7 @@ Description:
(e.g: larger than MTU). See the network driver for the exact
meaning of this value.

-What: /sys/class/<iface>/statistics/rx_packets
+What: /sys/class/net/<iface>/statistics/rx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -122,7 +122,7 @@ Description:
Indicates the total number of good packets received by this
network device.

-What: /sys/class/<iface>/statistics/tx_aborted_errors
+What: /sys/class/net/<iface>/statistics/tx_aborted_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -132,7 +132,7 @@ Description:
a medium collision). See the network driver for the exact
meaning of this value.

-What: /sys/class/<iface>/statistics/tx_bytes
+What: /sys/class/net/<iface>/statistics/tx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -143,7 +143,7 @@ Description:
transmitted packets or all packets that have been queued for
transmission.

-What: /sys/class/<iface>/statistics/tx_carrier_errors
+What: /sys/class/net/<iface>/statistics/tx_carrier_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -152,7 +152,7 @@ Description:
because of carrier errors (e.g: physical link down). See the
network driver for the exact meaning of this value.

-What: /sys/class/<iface>/statistics/tx_compressed
+What: /sys/class/net/<iface>/statistics/tx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -161,7 +161,7 @@ Description:
this might only be relevant for devices that support
compression (e.g: PPP).

-What: /sys/class/<iface>/statistics/tx_dropped
+What: /sys/class/net/<iface>/statistics/tx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -170,7 +170,7 @@ Description:
See the driver for the exact reasons as to why the packets were
dropped.

-What: /sys/class/<iface>/statistics/tx_errors
+What: /sys/class/net/<iface>/statistics/tx_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -179,7 +179,7 @@ Description:
a network device. See the driver for the exact reasons as to
why the packets were dropped.

-What: /sys/class/<iface>/statistics/tx_fifo_errors
+What: /sys/class/net/<iface>/statistics/tx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -188,7 +188,7 @@ Description:
FIFO error. See the driver for the exact reasons as to why the
packets were dropped.

-What: /sys/class/<iface>/statistics/tx_heartbeat_errors
+What: /sys/class/net/<iface>/statistics/tx_heartbeat_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -197,7 +197,7 @@ Description:
reported as heartbeat errors. See the driver for the exact
reasons as to why the packets were dropped.

-What: /sys/class/<iface>/statistics/tx_packets
+What: /sys/class/net/<iface>/statistics/tx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
@@ -206,7 +206,7 @@ Description:
device. See the driver for whether this reports the number of all
attempted or successful transmissions.

-What: /sys/class/<iface>/statistics/tx_window_errors
+What: /sys/class/net/<iface>/statistics/tx_window_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index d2f90ecc426f..df7c53102a5f 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -198,3 +198,10 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Fujitsu | A64FX | E#010001 | FUJITSU_ERRATUM_010001 |
+----------------+-----------------+-----------------+-----------------------------+
++----------------+-----------------+-----------------+-----------------------------+
+| Microsoft | Azure Cobalt 100| #2139208 | ARM64_ERRATUM_2139208 |
++----------------+-----------------+-----------------+-----------------------------+
+| Microsoft | Azure Cobalt 100| #2067961 | ARM64_ERRATUM_2067961 |
++----------------+-----------------+-----------------+-----------------------------+
+| Microsoft | Azure Cobalt 100| #2253138 | ARM64_ERRATUM_2253138 |
++----------------+-----------------+-----------------+-----------------------------+
diff --git a/Documentation/filesystems/directory-locking.rst b/Documentation/filesystems/directory-locking.rst
index dccd61c7c5c3..193c22687851 100644
--- a/Documentation/filesystems/directory-locking.rst
+++ b/Documentation/filesystems/directory-locking.rst
@@ -22,13 +22,16 @@ exclusive.
3) object removal. Locking rules: caller locks parent, finds victim,
locks victim and calls the method. Locks are exclusive.

-4) rename() that is _not_ cross-directory. Locking rules: caller locks the
-parent and finds source and target. We lock both (provided they exist). If we
-need to lock two inodes of different type (dir vs non-dir), we lock directory
-first. If we need to lock two inodes of the same type, lock them in inode
-pointer order. Then call the method. All locks are exclusive.
-NB: we might get away with locking the source (and target in exchange
-case) shared.
+4) rename() that is _not_ cross-directory. Locking rules: caller locks
+the parent and finds source and target. Then we decide which of the
+source and target need to be locked. Source needs to be locked if it's a
+non-directory; target - if it's a non-directory or about to be removed.
+Take the locks that need to be taken, in inode pointer order if need
+to take both (that can happen only when both source and target are
+non-directories - the source because it wouldn't be locked otherwise
+and the target because mixing directory and non-directory is allowed
+only with RENAME_EXCHANGE, and that won't be removing the target).
+After the locks had been taken, call the method. All locks are exclusive.

5) link creation. Locking rules:

@@ -44,20 +47,17 @@ rules:

* lock the filesystem
* lock parents in "ancestors first" order. If one is not ancestor of
- the other, lock them in inode pointer order.
+ the other, lock the parent of source first.
* find source and target.
* if old parent is equal to or is a descendent of target
fail with -ENOTEMPTY
* if new parent is equal to or is a descendent of source
fail with -ELOOP
- * Lock both the source and the target provided they exist. If we
- need to lock two inodes of different type (dir vs non-dir), we lock
- the directory first. If we need to lock two inodes of the same type,
- lock them in inode pointer order.
+ * Lock subdirectories involved (source before target).
+ * Lock non-directories involved, in inode pointer order.
* call the method.

-All ->i_rwsem are taken exclusive. Again, we might get away with locking
-the source (and target in exchange case) shared.
+All ->i_rwsem are taken exclusive.

The rules above obviously guarantee that all directories that are going to be
read, modified or removed by method will be locked by caller.
@@ -67,6 +67,7 @@ If no directory is its own ancestor, the scheme above is deadlock-free.

Proof:

+[XXX: will be updated once we are done massaging the lock_rename()]
First of all, at any moment we have a linear ordering of the
objects - A < B iff (A is an ancestor of B) or (B is not an ancestor
of A and ptr(A) < ptr(B)).
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index d36fe79167b3..5833cea4a16b 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -98,7 +98,7 @@ symlink: exclusive
mkdir: exclusive
unlink: exclusive (both)
rmdir: exclusive (both)(see below)
-rename: exclusive (all) (see below)
+rename: exclusive (both parents, some children) (see below)
readlink: no
get_link: no
setattr: exclusive
@@ -118,6 +118,9 @@ fileattr_set: exclusive
Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem
exclusive on victim.
cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem.
+ ->unlink() and ->rename() have ->i_rwsem exclusive on all non-directories
+ involved.
+ ->rename() has ->i_rwsem exclusive on any subdirectory that changes parent.

See Documentation/filesystems/directory-locking.rst for more detailed discussion
of the locking scheme for directory operations.
diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst
index bf19fd6b86e7..569fdb7d7ed5 100644
--- a/Documentation/filesystems/porting.rst
+++ b/Documentation/filesystems/porting.rst
@@ -908,3 +908,21 @@ Calling conventions for file_open_root() changed; now it takes struct path *
instead of passing mount and dentry separately. For callers that used to
pass <mnt, mnt->mnt_root> pair (i.e. the root of given mount), a new helper
is provided - file_open_root_mnt(). In-tree users adjusted.
+
+---
+
+**mandatory**
+
+If ->rename() update of .. on cross-directory move needs an exclusion with
+directory modifications, do *not* lock the subdirectory in question in your
+->rename() - it's done by the caller now [that item should've been added in
+28eceeda130f "fs: Lock moved directories"].
+
+---
+
+**mandatory**
+
+On same-directory ->rename() the (tautological) update of .. is not protected
+by any locks; just don't do it if the old parent is the same as the new one.
+We really can't lock two subdirectories in same-directory rename - not without
+deadlocks.
diff --git a/Documentation/sound/soc/dapm.rst b/Documentation/sound/soc/dapm.rst
index 8e44107933ab..c3154ce6e1b2 100644
--- a/Documentation/sound/soc/dapm.rst
+++ b/Documentation/sound/soc/dapm.rst
@@ -234,7 +234,7 @@ corresponding soft power control. In this case it is necessary to create
a virtual widget - a widget with no control bits e.g.
::

- SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_DAPM_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),

This can be used to merge to signal paths together in software.

diff --git a/Makefile b/Makefile
index 1e5ac4584ac1..e0f0677c1bbb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 148
+SUBLEVEL = 149
EXTRAVERSION =
NAME = Trick or Treat

diff --git a/arch/Kconfig b/arch/Kconfig
index b45c699c2bac..2e2dc0975ab4 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -605,6 +605,7 @@ config SHADOW_CALL_STACK
bool "Clang Shadow Call Stack"
depends on CC_IS_CLANG && ARCH_SUPPORTS_SHADOW_CALL_STACK
depends on DYNAMIC_FTRACE_WITH_REGS || !FUNCTION_GRAPH_TRACER
+ depends on MMU
help
This option enables Clang's Shadow Call Stack, which uses a
shadow stack to protect function return addresses from being
diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts
index 93880bdbcad9..8232d843bfe0 100644
--- a/arch/arm/boot/dts/exynos4210-i9100.dts
+++ b/arch/arm/boot/dts/exynos4210-i9100.dts
@@ -520,6 +520,14 @@ vtcam_reg: LDO12 {
regulator-name = "VT_CAM_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+
+ /*
+ * Force-enable this regulator; otherwise the
+ * kernel hangs very early in the boot process
+ * for about 12 seconds, without apparent
+ * reason.
+ */
+ regulator-always-on;
};

vcclcd_reg: LDO13 {
diff --git a/arch/arm/boot/dts/imx1-ads.dts b/arch/arm/boot/dts/imx1-ads.dts
index 5833fb6f15d8..2c817c4a4c68 100644
--- a/arch/arm/boot/dts/imx1-ads.dts
+++ b/arch/arm/boot/dts/imx1-ads.dts
@@ -65,7 +65,7 @@ &weim {
pinctrl-0 = <&pinctrl_weim>;
status = "okay";

- nor: nor@0,0 {
+ nor: flash@0,0 {
compatible = "cfi-flash";
reg = <0 0x00000000 0x02000000>;
bank-width = <4>;
diff --git a/arch/arm/boot/dts/imx1-apf9328.dts b/arch/arm/boot/dts/imx1-apf9328.dts
index 77b21aa7a146..27e72b07b517 100644
--- a/arch/arm/boot/dts/imx1-apf9328.dts
+++ b/arch/arm/boot/dts/imx1-apf9328.dts
@@ -45,7 +45,7 @@ &weim {
pinctrl-0 = <&pinctrl_weim>;
status = "okay";

- nor: nor@0,0 {
+ nor: flash@0,0 {
compatible = "cfi-flash";
reg = <0 0x00000000 0x02000000>;
bank-width = <2>;
diff --git a/arch/arm/boot/dts/imx1.dtsi b/arch/arm/boot/dts/imx1.dtsi
index 9b940987864c..8d6e900a9081 100644
--- a/arch/arm/boot/dts/imx1.dtsi
+++ b/arch/arm/boot/dts/imx1.dtsi
@@ -268,9 +268,12 @@ weim: weim@220000 {
status = "disabled";
};

- esram: esram@300000 {
+ esram: sram@300000 {
compatible = "mmio-sram";
reg = <0x00300000 0x20000>;
+ ranges = <0 0x00300000 0x20000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
};
};
};
diff --git a/arch/arm/boot/dts/imx23-sansa.dts b/arch/arm/boot/dts/imx23-sansa.dts
index 46057d9bf555..c2efcc20ae80 100644
--- a/arch/arm/boot/dts/imx23-sansa.dts
+++ b/arch/arm/boot/dts/imx23-sansa.dts
@@ -175,10 +175,8 @@ i2c-0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "i2c-gpio";
- gpios = <
- &gpio1 24 0 /* SDA */
- &gpio1 22 0 /* SCL */
- >;
+ sda-gpios = <&gpio1 24 0>;
+ scl-gpios = <&gpio1 22 0>;
i2c-gpio,delay-us = <2>; /* ~100 kHz */
};

@@ -186,10 +184,8 @@ i2c-1 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "i2c-gpio";
- gpios = <
- &gpio0 31 0 /* SDA */
- &gpio0 30 0 /* SCL */
- >;
+ sda-gpios = <&gpio0 31 0>;
+ scl-gpios = <&gpio0 30 0>;
i2c-gpio,delay-us = <2>; /* ~100 kHz */

touch: touch@20 {
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index ce3d6360a7ef..b236d23f8071 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -414,7 +414,7 @@ emi@80020000 {
status = "disabled";
};

- dma_apbx: dma-apbx@80024000 {
+ dma_apbx: dma-controller@80024000 {
compatible = "fsl,imx23-dma-apbx";
reg = <0x80024000 0x2000>;
interrupts = <7 5 9 26
diff --git a/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi b/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
index 0703f62d10d1..93a6e4e680b4 100644
--- a/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
+++ b/arch/arm/boot/dts/imx25-eukrea-cpuimx25.dtsi
@@ -27,7 +27,7 @@ &i2c1 {
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";

- pcf8563@51 {
+ rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
diff --git a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
index 7d4301b22b90..1ed3fb7b9ce6 100644
--- a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
+++ b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-cmo-qvga.dts
@@ -16,7 +16,7 @@ cmo_qvga: display {
bus-width = <18>;
display-timings {
native-mode = <&qvga_timings>;
- qvga_timings: 320x240 {
+ qvga_timings: timing0 {
clock-frequency = <6500000>;
hactive = <320>;
vactive = <240>;
diff --git a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
index 80a7f96de4c6..64b2ffac463b 100644
--- a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
+++ b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-svga.dts
@@ -16,7 +16,7 @@ dvi_svga: display {
bus-width = <18>;
display-timings {
native-mode = <&dvi_svga_timings>;
- dvi_svga_timings: 800x600 {
+ dvi_svga_timings: timing0 {
clock-frequency = <40000000>;
hactive = <800>;
vactive = <600>;
diff --git a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
index 24027a1fb46d..fb074bfdaa8d 100644
--- a/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
+++ b/arch/arm/boot/dts/imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dts
@@ -16,7 +16,7 @@ dvi_vga: display {
bus-width = <18>;
display-timings {
native-mode = <&dvi_vga_timings>;
- dvi_vga_timings: 640x480 {
+ dvi_vga_timings: timing0 {
clock-frequency = <31250000>;
hactive = <640>;
vactive = <480>;
diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts
index fb66884d8a2f..59b40d13a640 100644
--- a/arch/arm/boot/dts/imx25-pdk.dts
+++ b/arch/arm/boot/dts/imx25-pdk.dts
@@ -78,7 +78,7 @@ wvga: display {
bus-width = <18>;
display-timings {
native-mode = <&wvga_timings>;
- wvga_timings: 640x480 {
+ wvga_timings: timing0 {
hactive = <640>;
vactive = <480>;
hback-porch = <45>;
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index bd8ea2ec2457..5eb79a9ffe04 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -543,7 +543,7 @@ pwm1: pwm@53fe0000 {
};

iim: efuse@53ff0000 {
- compatible = "fsl,imx25-iim", "fsl,imx27-iim";
+ compatible = "fsl,imx25-iim";
reg = <0x53ff0000 0x4000>;
interrupts = <19>;
clocks = <&clks 99>;
diff --git a/arch/arm/boot/dts/imx27-apf27dev.dts b/arch/arm/boot/dts/imx27-apf27dev.dts
index 6f1e8ce9e76e..3d9bb7fc3be2 100644
--- a/arch/arm/boot/dts/imx27-apf27dev.dts
+++ b/arch/arm/boot/dts/imx27-apf27dev.dts
@@ -16,7 +16,7 @@ display: display {
fsl,pcr = <0xfae80083>; /* non-standard but required */
display-timings {
native-mode = <&timing0>;
- timing0: 800x480 {
+ timing0: timing0 {
clock-frequency = <33000033>;
hactive = <800>;
vactive = <480>;
@@ -47,7 +47,7 @@ leds {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_leds>;

- user {
+ led-user {
label = "Heartbeat";
gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
diff --git a/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi b/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
index 74110bbcd9d4..c7e923584878 100644
--- a/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
+++ b/arch/arm/boot/dts/imx27-eukrea-cpuimx27.dtsi
@@ -33,7 +33,7 @@ &i2c1 {
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";

- pcf8563@51 {
+ rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
@@ -90,7 +90,7 @@ &usbotg {
&weim {
status = "okay";

- nor: nor@0,0 {
+ nor: flash@0,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "cfi-flash";
diff --git a/arch/arm/boot/dts/imx27-eukrea-mbimxsd27-baseboard.dts b/arch/arm/boot/dts/imx27-eukrea-mbimxsd27-baseboard.dts
index 9c3ec82ec7e5..50fa0bd4c8a1 100644
--- a/arch/arm/boot/dts/imx27-eukrea-mbimxsd27-baseboard.dts
+++ b/arch/arm/boot/dts/imx27-eukrea-mbimxsd27-baseboard.dts
@@ -16,7 +16,7 @@ display0: CMO-QVGA {

display-timings {
native-mode = <&timing0>;
- timing0: 320x240 {
+ timing0: timing0 {
clock-frequency = <6500000>;
hactive = <320>;
vactive = <240>;
diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
index 188639738dc3..7f36af150a25 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
@@ -19,7 +19,7 @@ display: display {
fsl,pcr = <0xf0c88080>; /* non-standard but required */
display-timings {
native-mode = <&timing0>;
- timing0: 640x480 {
+ timing0: timing0 {
hactive = <640>;
vactive = <480>;
hback-porch = <112>;
diff --git a/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts b/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
index 344e77790152..d133b9f08b3a 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
+++ b/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
@@ -19,7 +19,7 @@ display0: LQ035Q7 {

display-timings {
native-mode = <&timing0>;
- timing0: 240x320 {
+ timing0: timing0 {
clock-frequency = <5500000>;
hactive = <240>;
vactive = <320>;
diff --git a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
index 3d10273177e9..a5fdc2fd4ce5 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
+++ b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
@@ -322,7 +322,7 @@ &usbotg {
&weim {
status = "okay";

- nor: nor@0,0 {
+ nor: flash@0,0 {
compatible = "cfi-flash";
reg = <0 0x00000000 0x02000000>;
bank-width = <2>;
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index fd525c3b16fa..247617d6d41e 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -588,6 +588,9 @@ weim: weim@d8002000 {
iram: sram@ffff4c00 {
compatible = "mmio-sram";
reg = <0xffff4c00 0xb400>;
+ ranges = <0 0xffff4c00 0xb400>;
+ #address-cells = <1>;
+ #size-cells = <1>;
};
};
};
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 10eab221bc05..7fcc0d35d31c 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -992,7 +992,7 @@ etm: etm@80022000 {
status = "disabled";
};

- dma_apbx: dma-apbx@80024000 {
+ dma_apbx: dma-controller@80024000 {
compatible = "fsl,imx28-dma-apbx";
reg = <0x80024000 0x2000>;
interrupts = <78 79 66 0
diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
index b0bcfa9094a3..8ad3e60fd7d1 100644
--- a/arch/arm/boot/dts/imx7d.dtsi
+++ b/arch/arm/boot/dts/imx7d.dtsi
@@ -209,9 +209,6 @@ pcie: pcie@33800000 {
};

&ca_funnel_in_ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
port@1 {
reg = <1>;
ca_funnel_in_port1: endpoint {
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 406e8870c680..5b960849c3ab 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -174,7 +174,11 @@ funnel@30041000 {
clock-names = "apb_pclk";

ca_funnel_in_ports: in-ports {
- port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
ca_funnel_in_port0: endpoint {
remote-endpoint = <&etm0_out_port>;
};
@@ -798,7 +802,7 @@ csi_from_csi_mux: endpoint {
};

lcdif: lcdif@30730000 {
- compatible = "fsl,imx7d-lcdif", "fsl,imx28-lcdif";
+ compatible = "fsl,imx7d-lcdif", "fsl,imx6sx-lcdif";
reg = <0x30730000 0x10000>;
interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX7D_LCDIF_PIXEL_ROOT_CLK>,
@@ -1260,7 +1264,7 @@ dma_apbh: dma-controller@33000000 {
gpmi: nand-controller@33002000{
compatible = "fsl,imx7d-gpmi-nand";
#address-cells = <1>;
- #size-cells = <1>;
+ #size-cells = <0>;
reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
reg-names = "gpmi-nand", "bch";
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
index 73fa0ef6b69e..67159e8608ed 100644
--- a/arch/arm/boot/dts/qcom-sdx55.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
@@ -420,10 +420,10 @@ usb: usb@a6f8800 {
<&gcc GCC_USB30_MASTER_CLK>;
assigned-clock-rates = <19200000>, <200000000>;

- interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 51 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 11 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc 10 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

@@ -447,7 +447,7 @@ pdc: interrupt-controller@b210000 {
compatible = "qcom,sdx55-pdc", "qcom,pdc";
reg = <0x0b210000 0x30000>;
qcom,pdc-ranges = <0 179 52>;
- #interrupt-cells = <3>;
+ #interrupt-cells = <2>;
interrupt-parent = <&intc>;
interrupt-controller;
};
diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index ffa9bc7ed3d0..0af1a86f9dc4 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -402,12 +402,20 @@ hdmi: hdmi@20034000 {
pinctrl-0 = <&hdmi_ctl>;
status = "disabled";

- hdmi_in: port {
+ ports {
#address-cells = <1>;
#size-cells = <0>;
- hdmi_in_vop: endpoint@0 {
+
+ hdmi_in: port@0 {
reg = <0>;
- remote-endpoint = <&vop_out_hdmi>;
+
+ hdmi_in_vop: endpoint {
+ remote-endpoint = <&vop_out_hdmi>;
+ };
+ };
+
+ hdmi_out: port@1 {
+ reg = <1>;
};
};
};
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 8a7c65178507..fd9ffe8448b0 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -394,6 +394,19 @@ memory@80000000 {
reg = <0x0 0x80000000 0x0 0x0>;
};

+ etm {
+ compatible = "qcom,coresight-remote-etm";
+
+ out-ports {
+ port {
+ modem_etm_out_funnel_in2: endpoint {
+ remote-endpoint =
+ <&funnel_in2_in_modem_etm>;
+ };
+ };
+ };
+ };
+
psci {
compatible = "arm,psci-1.0";
method = "smc";
@@ -2203,6 +2216,14 @@ funnel@3023000 {
clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
clock-names = "apb_pclk", "atclk";

+ in-ports {
+ port {
+ funnel_in2_in_modem_etm: endpoint {
+ remote-endpoint =
+ <&modem_etm_out_funnel_in2>;
+ };
+ };
+ };

out-ports {
port {
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index b7d72b0d579e..7eadecba0175 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1863,9 +1863,11 @@ etm5: etm@7c40000 {

cpu = <&CPU4>;

- port{
- etm4_out: endpoint {
- remote-endpoint = <&apss_funnel_in4>;
+ out-ports {
+ port{
+ etm4_out: endpoint {
+ remote-endpoint = <&apss_funnel_in4>;
+ };
};
};
};
@@ -1880,9 +1882,11 @@ etm6: etm@7d40000 {

cpu = <&CPU5>;

- port{
- etm5_out: endpoint {
- remote-endpoint = <&apss_funnel_in5>;
+ out-ports {
+ port{
+ etm5_out: endpoint {
+ remote-endpoint = <&apss_funnel_in5>;
+ };
};
};
};
@@ -1897,9 +1901,11 @@ etm7: etm@7e40000 {

cpu = <&CPU6>;

- port{
- etm6_out: endpoint {
- remote-endpoint = <&apss_funnel_in6>;
+ out-ports {
+ port{
+ etm6_out: endpoint {
+ remote-endpoint = <&apss_funnel_in6>;
+ };
};
};
};
@@ -1914,9 +1920,11 @@ etm8: etm@7f40000 {

cpu = <&CPU7>;

- port{
- etm7_out: endpoint {
- remote-endpoint = <&apss_funnel_in7>;
+ out-ports {
+ port{
+ etm7_out: endpoint {
+ remote-endpoint = <&apss_funnel_in7>;
+ };
};
};
};
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 410e0305eb51..8428f1040cac 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -2774,8 +2774,8 @@ usb_1: usb@a6f8800 {

interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 6 IRQ_TYPE_LEVEL_HIGH>,
- <&pdc 8 IRQ_TYPE_LEVEL_HIGH>,
- <&pdc 9 IRQ_TYPE_LEVEL_HIGH>;
+ <&pdc 8 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 5a78ee8622c9..15af6c7ad06c 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -3767,10 +3767,10 @@ usb_1: usb@a6f8800 {
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;

- interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+ <&intc GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc_intc 8 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc_intc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

@@ -3815,10 +3815,10 @@ usb_2: usb@a8f8800 {
<&gcc GCC_USB30_SEC_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;

- interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts-extended = <&intc GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
+ <&intc GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc_intc 10 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc_intc 11 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index c6b6064e6b12..a072b40c9698 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -3094,8 +3094,8 @@ usb_1: usb@a6f8800 {

interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 488 IRQ_TYPE_EDGE_BOTH>,
+ <GIC_SPI 489 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

@@ -3139,8 +3139,8 @@ usb_2: usb@a8f8800 {

interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 490 IRQ_TYPE_EDGE_BOTH>,
+ <GIC_SPI 491 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index c2a1ccd5fd46..3656bbbb7c7b 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -61,6 +61,7 @@
#define ARM_CPU_IMP_HISI 0x48
#define ARM_CPU_IMP_APPLE 0x61
#define ARM_CPU_IMP_AMPERE 0xC0
+#define ARM_CPU_IMP_MICROSOFT 0x6D

#define ARM_CPU_PART_AEM_V8 0xD0F
#define ARM_CPU_PART_FOUNDATION 0xD00
@@ -116,6 +117,8 @@

#define AMPERE_CPU_PART_AMPERE1 0xAC3

+#define MICROSOFT_CPU_PART_AZURE_COBALT_100 0xD49 /* Based on r0p0 of ARM Neoverse N2 */
+
#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
@@ -157,6 +160,7 @@
#define MIDR_APPLE_M1_ICESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM)
#define MIDR_APPLE_M1_FIRESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM)
#define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1)
+#define MIDR_MICROSOFT_AZURE_COBALT_100 MIDR_CPU_MODEL(ARM_CPU_IMP_MICROSOFT, MICROSOFT_CPU_PART_AZURE_COBALT_100)

/* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
#define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX
diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h
index 81bbfa3a035b..a1020285ea75 100644
--- a/arch/arm64/include/asm/irq_work.h
+++ b/arch/arm64/include/asm/irq_work.h
@@ -2,8 +2,6 @@
#ifndef __ASM_IRQ_WORK_H
#define __ASM_IRQ_WORK_H

-extern void arch_irq_work_raise(void);
-
static inline bool arch_irq_work_has_interrupt(void)
{
return true;
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index bf69a20bc27f..4f12d8c1e55b 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -367,6 +367,7 @@ static struct midr_range broken_aarch32_aes[] = {
static const struct midr_range trbe_overwrite_fill_mode_cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_2139208
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+ MIDR_ALL_VERSIONS(MIDR_MICROSOFT_AZURE_COBALT_100),
#endif
#ifdef CONFIG_ARM64_ERRATUM_2119858
MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
@@ -379,6 +380,7 @@ static const struct midr_range trbe_overwrite_fill_mode_cpus[] = {
static const struct midr_range tsb_flush_fail_cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_2067961
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+ MIDR_ALL_VERSIONS(MIDR_MICROSOFT_AZURE_COBALT_100),
#endif
#ifdef CONFIG_ARM64_ERRATUM_2054223
MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
@@ -391,6 +393,7 @@ static const struct midr_range tsb_flush_fail_cpus[] = {
static struct midr_range trbe_write_out_of_range_cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_2253138
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+ MIDR_ALL_VERSIONS(MIDR_MICROSOFT_AZURE_COBALT_100),
#endif
#ifdef CONFIG_ARM64_ERRATUM_2224489
MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index bda49430c9ea..351958be8ac8 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -19,6 +19,7 @@
#include <linux/kprobes.h>
#include <linux/scs.h>
#include <linux/seq_file.h>
+#include <asm/numa.h>
#include <linux/vmalloc.h>
#include <asm/daifflags.h>
#include <asm/vmap_stack.h>
@@ -44,17 +45,17 @@ static void init_irq_scs(void)

for_each_possible_cpu(cpu)
per_cpu(irq_shadow_call_stack_ptr, cpu) =
- scs_alloc(cpu_to_node(cpu));
+ scs_alloc(early_cpu_to_node(cpu));
}

#ifdef CONFIG_VMAP_STACK
-static void init_irq_stacks(void)
+static void __init init_irq_stacks(void)
{
int cpu;
unsigned long *p;

for_each_possible_cpu(cpu) {
- p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, cpu_to_node(cpu));
+ p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, early_cpu_to_node(cpu));
per_cpu(irq_stack_ptr, cpu) = p;
}
}
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index b4044469527e..c77b9460d63e 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -168,7 +168,11 @@ armv8pmu_events_sysfs_show(struct device *dev,
PMU_EVENT_ATTR_ID(name, armv8pmu_events_sysfs_show, config)

static struct attribute *armv8_pmuv3_event_attrs[] = {
- ARMV8_EVENT_ATTR(sw_incr, ARMV8_PMUV3_PERFCTR_SW_INCR),
+ /*
+ * Don't expose the sw_incr event in /sys. It's not usable as writes to
+ * PMSWINC_EL0 will trap as PMUSERENR.{SW,EN}=={0,0} and event rotation
+ * means we don't have a fixed event<->counter relationship regardless.
+ */
ARMV8_EVENT_ATTR(l1i_cache_refill, ARMV8_PMUV3_PERFCTR_L1I_CACHE_REFILL),
ARMV8_EVENT_ATTR(l1i_tlb_refill, ARMV8_PMUV3_PERFCTR_L1I_TLB_REFILL),
ARMV8_EVENT_ATTR(l1d_cache_refill, ARMV8_PMUV3_PERFCTR_L1D_CACHE_REFILL),
diff --git a/arch/csky/include/asm/irq_work.h b/arch/csky/include/asm/irq_work.h
index 33aaf39d6f94..d39fcc1f5395 100644
--- a/arch/csky/include/asm/irq_work.h
+++ b/arch/csky/include/asm/irq_work.h
@@ -7,5 +7,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return true;
}
-extern void arch_irq_work_raise(void);
+
#endif /* __ASM_CSKY_IRQ_WORK_H */
diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
index 1e6c1354f245..eb15339e58fd 100644
--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
@@ -244,7 +244,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
" .set pop"
: "=&r" (sum), "=&r" (tmp)
: "r" (saddr), "r" (daddr),
- "0" (htonl(len)), "r" (htonl(proto)), "r" (sum));
+ "0" (htonl(len)), "r" (htonl(proto)), "r" (sum)
+ : "memory");

return csum_fold(sum);
}
diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c
index 7b045d2a0b51..bbc6f07d8124 100644
--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@@ -11,6 +11,7 @@

#include <asm/cpu-features.h>
#include <asm/cpu-info.h>
+#include <asm/fpu.h>

#ifdef CONFIG_MIPS_FP_SUPPORT

@@ -309,6 +310,11 @@ void mips_set_personality_nan(struct arch_elf_state *state)
struct cpuinfo_mips *c = &boot_cpu_data;
struct task_struct *t = current;

+ /* Do this early so t->thread.fpu.fcr31 won't be clobbered in case
+ * we are preempted before the lose_fpu(0) in start_thread.
+ */
+ lose_fpu(0);
+
t->thread.fpu.fcr31 = c->fpu_csr31;
switch (state->nan_2008) {
case 0:
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 19347dc6bbf8..833fcfc20b10 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -417,7 +417,12 @@ void __init paging_init(void)
(highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10));
max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn;
}
+
+ max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
+#else
+ max_mapnr = max_low_pfn;
#endif
+ high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);

free_area_init(max_zone_pfns);
}
@@ -453,13 +458,6 @@ void __init mem_init(void)
*/
BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT));

-#ifdef CONFIG_HIGHMEM
- max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
-#else
- max_mapnr = max_low_pfn;
-#endif
- high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
-
maar_init();
memblock_free_all();
setup_zero_pages(); /* Setup zeroed pages. */
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 5385e0fe9842..1d69e8cf459c 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -123,10 +123,10 @@ static unsigned long f_extend(unsigned long address)
#ifdef CONFIG_64BIT
if(unlikely(parisc_narrow_firmware)) {
if((address & 0xff000000) == 0xf0000000)
- return 0xf0f0f0f000000000UL | (u32)address;
+ return (0xfffffff0UL << 32) | (u32)address;

if((address & 0xf0000000) == 0xf0000000)
- return 0xffffffff00000000UL | (u32)address;
+ return (0xffffffffUL << 32) | (u32)address;
}
#endif
return address;
diff --git a/arch/powerpc/include/asm/irq_work.h b/arch/powerpc/include/asm/irq_work.h
index b8b0be8f1a07..c6d3078bd8c3 100644
--- a/arch/powerpc/include/asm/irq_work.h
+++ b/arch/powerpc/include/asm/irq_work.h
@@ -6,6 +6,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return true;
}
-extern void arch_irq_work_raise(void);

#endif /* _ASM_POWERPC_IRQ_WORK_H */
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 8abe8e42e045..de0bb77f54e0 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -416,5 +416,9 @@ extern void *abatron_pteptrs[2];
#include <asm/nohash/mmu.h>
#endif

+#if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP)
+#define __HAVE_ARCH_RESERVED_KERNEL_PAGES
+#endif
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MMU_H_ */
diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h
index 4c6c6dbd182f..da827d2d0866 100644
--- a/arch/powerpc/include/asm/mmzone.h
+++ b/arch/powerpc/include/asm/mmzone.h
@@ -42,14 +42,6 @@ u64 memory_hotplug_max(void);
#else
#define memory_hotplug_max() memblock_end_of_DRAM()
#endif /* CONFIG_NUMA */
-#ifdef CONFIG_FA_DUMP
-#define __HAVE_ARCH_RESERVED_KERNEL_PAGES
-#endif
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-extern int create_section_mapping(unsigned long start, unsigned long end,
- int nid, pgprot_t prot);
-#endif

#endif /* __KERNEL__ */
#endif /* _ASM_MMZONE_H_ */
diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S
index ff8c8c03f41a..c4a54208ba22 100644
--- a/arch/powerpc/kernel/interrupt_64.S
+++ b/arch/powerpc/kernel/interrupt_64.S
@@ -62,7 +62,8 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name)
mr r10,r1
ld r1,PACAKSAVE(r13)
std r10,0(r1)
- std r11,_NIP(r1)
+ std r11,_LINK(r1)
+ std r11,_NIP(r1) /* Saved LR is also the next instruction */
std r12,_MSR(r1)
std r0,GPR0(r1)
std r10,GPR1(r1)
@@ -85,7 +86,6 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name)
std r9,GPR13(r1)
SAVE_NVGPRS(r1)
std r11,_XER(r1)
- std r11,_LINK(r1)
std r11,_CTR(r1)

li r11,\trapnr
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index fe912983ced9..f1a2a75c4757 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1423,10 +1423,12 @@ static int emulate_instruction(struct pt_regs *regs)
return -EINVAL;
}

+#ifdef CONFIG_GENERIC_BUG
int is_valid_bugaddr(unsigned long addr)
{
return is_kernel_addr(addr);
}
+#endif

#ifdef CONFIG_MATH_EMULATION
static int emulate_math(struct pt_regs *regs)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 2d39b7c246e3..ecc2e06854d7 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -529,6 +529,8 @@ static int do_fp_load(struct instruction_op *op, unsigned long ea,
} u;

nb = GETSIZE(op->type);
+ if (nb > sizeof(u))
+ return -EINVAL;
if (!address_ok(regs, ea, nb))
return -EFAULT;
rn = op->reg;
@@ -579,6 +581,8 @@ static int do_fp_store(struct instruction_op *op, unsigned long ea,
} u;

nb = GETSIZE(op->type);
+ if (nb > sizeof(u))
+ return -EINVAL;
if (!address_ok(regs, ea, nb))
return -EFAULT;
rn = op->reg;
@@ -623,6 +627,9 @@ static nokprobe_inline int do_vec_load(int rn, unsigned long ea,
u8 b[sizeof(__vector128)];
} u = {};

+ if (size > sizeof(u))
+ return -EINVAL;
+
if (!address_ok(regs, ea & ~0xfUL, 16))
return -EFAULT;
/* align to multiple of size */
@@ -650,6 +657,9 @@ static nokprobe_inline int do_vec_store(int rn, unsigned long ea,
u8 b[sizeof(__vector128)];
} u;

+ if (size > sizeof(u))
+ return -EINVAL;
+
if (!address_ok(regs, ea & ~0xfUL, 16))
return -EFAULT;
/* align to multiple of size */
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 9e16c7b1a6c5..da15f28c7b13 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c
@@ -459,6 +459,7 @@ void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr,
set_pte_at(vma->vm_mm, addr, ptep, pte);
}

+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
/*
* For hash translation mode, we use the deposited table to store hash slot
* information and they are stored at PTRS_PER_PMD offset from related pmd
@@ -480,6 +481,7 @@ int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,

return true;
}
+#endif

/*
* Does the CPU support tlbie?
diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c
index 3a82f89827a5..4bc8f0c893a2 100644
--- a/arch/powerpc/mm/init-common.c
+++ b/arch/powerpc/mm/init-common.c
@@ -105,7 +105,7 @@ void pgtable_cache_add(unsigned int shift)
* as to leave enough 0 bits in the address to contain it. */
unsigned long minalign = max(MAX_PGTABLE_INDEX_SIZE + 1,
HUGEPD_SHIFT_MASK + 1);
- struct kmem_cache *new;
+ struct kmem_cache *new = NULL;

/* It would be nice if this was a BUILD_BUG_ON(), but at the
* moment, gcc doesn't seem to recognize is_power_of_2 as a
@@ -118,7 +118,8 @@ void pgtable_cache_add(unsigned int shift)

align = max_t(unsigned long, align, minalign);
name = kasprintf(GFP_KERNEL, "pgtable-2^%d", shift);
- new = kmem_cache_create(name, table_size, align, 0, ctor(shift));
+ if (name)
+ new = kmem_cache_create(name, table_size, align, 0, ctor(shift));
if (!new)
panic("Could not allocate pgtable cache for order %d", shift);

diff --git a/arch/powerpc/mm/kasan/kasan_init_32.c b/arch/powerpc/mm/kasan/kasan_init_32.c
index f3e4d069e0ba..643fc525897d 100644
--- a/arch/powerpc/mm/kasan/kasan_init_32.c
+++ b/arch/powerpc/mm/kasan/kasan_init_32.c
@@ -64,6 +64,7 @@ int __init __weak kasan_init_region(void *start, size_t size)
if (ret)
return ret;

+ k_start = k_start & PAGE_MASK;
block = memblock_alloc(k_end - k_start, PAGE_SIZE);
if (!block)
return -ENOMEM;
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index dd1cabc2ea0f..21996b9e0a64 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -190,3 +190,8 @@ static inline bool debug_pagealloc_enabled_or_kfence(void)
{
return IS_ENABLED(CONFIG_KFENCE) || debug_pagealloc_enabled();
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+int create_section_mapping(unsigned long start, unsigned long end,
+ int nid, pgprot_t prot);
+#endif
diff --git a/arch/riscv/include/asm/irq_work.h b/arch/riscv/include/asm/irq_work.h
index b53891964ae0..b27a4d64fc6a 100644
--- a/arch/riscv/include/asm/irq_work.h
+++ b/arch/riscv/include/asm/irq_work.h
@@ -6,5 +6,5 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return IS_ENABLED(CONFIG_SMP);
}
-extern void arch_irq_work_raise(void);
+
#endif /* _ASM_RISCV_IRQ_WORK_H */
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 1023e9d43d44..401236f66b64 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -601,7 +601,9 @@ static int ctr_aes_crypt(struct skcipher_request *req)
* final block may be < AES_BLOCK_SIZE, copy only nbytes
*/
if (nbytes) {
- cpacf_kmctr(sctx->fc, sctx->key, buf, walk.src.virt.addr,
+ memset(buf, 0, AES_BLOCK_SIZE);
+ memcpy(buf, walk.src.virt.addr, nbytes);
+ cpacf_kmctr(sctx->fc, sctx->key, buf, buf,
AES_BLOCK_SIZE, walk.iv);
memcpy(walk.dst.virt.addr, buf, nbytes);
crypto_inc(walk.iv, AES_BLOCK_SIZE);
diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index 621322eb0e68..d84d87349718 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -688,9 +688,11 @@ static int ctr_paes_crypt(struct skcipher_request *req)
* final block may be < AES_BLOCK_SIZE, copy only nbytes
*/
if (nbytes) {
+ memset(buf, 0, AES_BLOCK_SIZE);
+ memcpy(buf, walk.src.virt.addr, nbytes);
while (1) {
if (cpacf_kmctr(ctx->fc, &param, buf,
- walk.src.virt.addr, AES_BLOCK_SIZE,
+ buf, AES_BLOCK_SIZE,
walk.iv) == AES_BLOCK_SIZE)
break;
if (__paes_convert_key(ctx))
diff --git a/arch/s390/include/asm/irq_work.h b/arch/s390/include/asm/irq_work.h
index 603783766d0a..f00c9f610d5a 100644
--- a/arch/s390/include/asm/irq_work.h
+++ b/arch/s390/include/asm/irq_work.h
@@ -7,6 +7,4 @@ static inline bool arch_irq_work_has_interrupt(void)
return true;
}

-void arch_irq_work_raise(void);
-
#endif /* _ASM_S390_IRQ_WORK_H */
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 516c21baf3ad..014ed5b27027 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -392,6 +392,7 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
/*
* floating point control reg. is in the thread structure
*/
+ save_fpu_regs();
if ((unsigned int) data != 0 ||
test_fp_ctl(data >> (BITS_PER_LONG - 32)))
return -EINVAL;
@@ -754,6 +755,7 @@ static int __poke_user_compat(struct task_struct *child,
/*
* floating point control reg. is in the thread structure
*/
+ save_fpu_regs();
if (test_fp_ctl(tmp))
return -EINVAL;
child->thread.fpu.fpc = data;
@@ -917,9 +919,7 @@ static int s390_fpregs_set(struct task_struct *target,
int rc = 0;
freg_t fprs[__NUM_FPRS];

- if (target == current)
- save_fpu_regs();
-
+ save_fpu_regs();
if (MACHINE_HAS_VX)
convert_vx_to_fp(fprs, target->thread.fpu.vxrs);
else
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index eb97db59b236..5526f782249c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -3700,10 +3700,6 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)

vcpu_load(vcpu);

- if (test_fp_ctl(fpu->fpc)) {
- ret = -EINVAL;
- goto out;
- }
vcpu->run->s.regs.fpc = fpu->fpc;
if (MACHINE_HAS_VX)
convert_fp_to_vx((__vector128 *) vcpu->run->s.regs.vrs,
@@ -3711,7 +3707,6 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
else
memcpy(vcpu->run->s.regs.fprs, &fpu->fprs, sizeof(fpu->fprs));

-out:
vcpu_put(vcpu);
return ret;
}
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 2fc0b038ff8a..e24bc9aaff4a 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -204,7 +204,7 @@ static int uml_net_close(struct net_device *dev)
return 0;
}

-static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct uml_net_private *lp = netdev_priv(dev);
unsigned long flags;
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index a2cfd42608a0..cb798a50e8cf 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -50,7 +50,7 @@ extern void do_uml_exitcalls(void);
* Are we disallowed to sleep? Used to choose between GFP_KERNEL and
* GFP_ATOMIC.
*/
-extern int __cant_sleep(void);
+extern int __uml_cant_sleep(void);
extern int get_current_pid(void);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int cpu(void);
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index b3fbfca49400..4b6179a8a3e8 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -218,7 +218,7 @@ void arch_cpu_idle(void)
raw_local_irq_enable();
}

-int __cant_sleep(void) {
+int __uml_cant_sleep(void) {
return in_atomic() || irqs_disabled() || in_interrupt();
/* Is in_interrupt() really needed? */
}
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index fddd1dec27e6..3e270da6b6f6 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -432,9 +432,29 @@ static void time_travel_update_time(unsigned long long next, bool idle)
time_travel_del_event(&ne);
}

+static void time_travel_update_time_rel(unsigned long long offs)
+{
+ unsigned long flags;
+
+ /*
+ * Disable interrupts before calculating the new time so
+ * that a real timer interrupt (signal) can't happen at
+ * a bad time e.g. after we read time_travel_time but
+ * before we've completed updating the time.
+ */
+ local_irq_save(flags);
+ time_travel_update_time(time_travel_time + offs, false);
+ local_irq_restore(flags);
+}
+
void time_travel_ndelay(unsigned long nsec)
{
- time_travel_update_time(time_travel_time + nsec, false);
+ /*
+ * Not strictly needed to use _rel() version since this is
+ * only used in INFCPU/EXT modes, but it doesn't hurt and
+ * is more readable too.
+ */
+ time_travel_update_time_rel(nsec);
}
EXPORT_SYMBOL(time_travel_ndelay);

@@ -568,7 +588,11 @@ static void time_travel_set_start(void)
#define time_travel_time 0
#define time_travel_ext_waiting 0

-static inline void time_travel_update_time(unsigned long long ns, bool retearly)
+static inline void time_travel_update_time(unsigned long long ns, bool idle)
+{
+}
+
+static inline void time_travel_update_time_rel(unsigned long long offs)
{
}

@@ -720,9 +744,7 @@ static u64 timer_read(struct clocksource *cs)
*/
if (!irqs_disabled() && !in_interrupt() && !in_softirq() &&
!time_travel_ext_waiting)
- time_travel_update_time(time_travel_time +
- TIMER_MULTIPLIER,
- false);
+ time_travel_update_time_rel(TIMER_MULTIPLIER);
return time_travel_time / TIMER_MULTIPLIER;
}

diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 32e88baf18dd..4e429a41565c 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -45,7 +45,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
unsigned long stack, sp;
int pid, fds[2], ret, n;

- stack = alloc_stack(0, __cant_sleep());
+ stack = alloc_stack(0, __uml_cant_sleep());
if (stack == 0)
return -ENOMEM;

@@ -69,7 +69,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
data.pre_data = pre_data;
data.argv = argv;
data.fd = fds[1];
- data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+ data.buf = __uml_cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
uml_kmalloc(PATH_MAX, UM_GFP_KERNEL);
pid = clone(helper_child, (void *) sp, CLONE_VM, &data);
if (pid < 0) {
@@ -116,7 +116,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
unsigned long stack, sp;
int pid, status, err;

- stack = alloc_stack(0, __cant_sleep());
+ stack = alloc_stack(0, __uml_cant_sleep());
if (stack == 0)
return -ENOMEM;

diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index fc0f2a9dee5a..1dca4ffbd572 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -173,23 +173,38 @@ __uml_setup("quiet", quiet_cmd_param,
"quiet\n"
" Turns off information messages during boot.\n\n");

+/*
+ * The os_info/os_warn functions will be called by helper threads. These
+ * have a very limited stack size and using the libc formatting functions
+ * may overflow the stack.
+ * So pull in the kernel vscnprintf and use that instead with a fixed
+ * on-stack buffer.
+ */
+int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
+
void os_info(const char *fmt, ...)
{
+ char buf[256];
va_list list;
+ int len;

if (quiet_info)
return;

va_start(list, fmt);
- vfprintf(stderr, fmt, list);
+ len = vscnprintf(buf, sizeof(buf), fmt, list);
+ fwrite(buf, len, 1, stderr);
va_end(list);
}

void os_warn(const char *fmt, ...)
{
+ char buf[256];
va_list list;
+ int len;

va_start(list, fmt);
- vfprintf(stderr, fmt, list);
+ len = vscnprintf(buf, sizeof(buf), fmt, list);
+ fwrite(buf, len, 1, stderr);
va_end(list);
}
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 814fe0d349b0..6f55609ba706 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -379,7 +379,7 @@ config X86_CMOV
config X86_MINIMUM_CPU_FAMILY
int
default "64" if X86_64
- default "6" if X86_32 && (MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MEFFICEON || MATOM || MCRUSOE || MCORE2 || MK7 || MK8)
+ default "6" if X86_32 && (MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MEFFICEON || MATOM || MCORE2 || MK7 || MK8)
default "5" if X86_32 && X86_CMPXCHG64
default "4"

diff --git a/arch/x86/boot/compressed/ident_map_64.c b/arch/x86/boot/compressed/ident_map_64.c
index 575d881ff86e..b72dea92cd96 100644
--- a/arch/x86/boot/compressed/ident_map_64.c
+++ b/arch/x86/boot/compressed/ident_map_64.c
@@ -357,3 +357,8 @@ void do_boot_page_fault(struct pt_regs *regs, unsigned long error_code)
*/
add_identity_map(address, end);
}
+
+void do_boot_nmi_trap(struct pt_regs *regs, unsigned long error_code)
+{
+ /* Empty handler to ignore NMI during early boot */
+}
diff --git a/arch/x86/boot/compressed/idt_64.c b/arch/x86/boot/compressed/idt_64.c
index 9b93567d663a..9620883485ac 100644
--- a/arch/x86/boot/compressed/idt_64.c
+++ b/arch/x86/boot/compressed/idt_64.c
@@ -45,6 +45,7 @@ void load_stage2_idt(void)
boot_idt_desc.address = (unsigned long)boot_idt;

set_idt_entry(X86_TRAP_PF, boot_page_fault);
+ set_idt_entry(X86_TRAP_NMI, boot_nmi_trap);

#ifdef CONFIG_AMD_MEM_ENCRYPT
set_idt_entry(X86_TRAP_VC, boot_stage2_vc);
diff --git a/arch/x86/boot/compressed/idt_handlers_64.S b/arch/x86/boot/compressed/idt_handlers_64.S
index 22890e199f5b..4d03c8562f63 100644
--- a/arch/x86/boot/compressed/idt_handlers_64.S
+++ b/arch/x86/boot/compressed/idt_handlers_64.S
@@ -70,6 +70,7 @@ SYM_FUNC_END(\name)
.code64

EXCEPTION_HANDLER boot_page_fault do_boot_page_fault error_code=1
+EXCEPTION_HANDLER boot_nmi_trap do_boot_nmi_trap error_code=0

#ifdef CONFIG_AMD_MEM_ENCRYPT
EXCEPTION_HANDLER boot_stage1_vc do_vc_no_ghcb error_code=1
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index 31139256859f..cea1b96c48b2 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -163,6 +163,7 @@ static inline void cleanup_exception_handling(void) { }

/* IDT Entry Points */
void boot_page_fault(void);
+void boot_nmi_trap(void);
void boot_stage1_vc(void);
void boot_stage2_vc(void);

diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h
index 800ffce0db29..6b4d36c95165 100644
--- a/arch/x86/include/asm/irq_work.h
+++ b/arch/x86/include/asm/irq_work.h
@@ -9,7 +9,6 @@ static inline bool arch_irq_work_has_interrupt(void)
{
return boot_cpu_has(X86_FEATURE_APIC);
}
-extern void arch_irq_work_raise(void);
#else
static inline bool arch_irq_work_has_interrupt(void)
{
diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h
index e8ab7c1f1080..4163d02728cf 100644
--- a/arch/x86/include/asm/syscall_wrapper.h
+++ b/arch/x86/include/asm/syscall_wrapper.h
@@ -58,12 +58,29 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
,,regs->di,,regs->si,,regs->dx \
,,regs->r10,,regs->r8,,regs->r9) \

+
+/* SYSCALL_PT_ARGS is Adapted from s390x */
+#define SYSCALL_PT_ARG6(m, t1, t2, t3, t4, t5, t6) \
+ SYSCALL_PT_ARG5(m, t1, t2, t3, t4, t5), m(t6, (regs->bp))
+#define SYSCALL_PT_ARG5(m, t1, t2, t3, t4, t5) \
+ SYSCALL_PT_ARG4(m, t1, t2, t3, t4), m(t5, (regs->di))
+#define SYSCALL_PT_ARG4(m, t1, t2, t3, t4) \
+ SYSCALL_PT_ARG3(m, t1, t2, t3), m(t4, (regs->si))
+#define SYSCALL_PT_ARG3(m, t1, t2, t3) \
+ SYSCALL_PT_ARG2(m, t1, t2), m(t3, (regs->dx))
+#define SYSCALL_PT_ARG2(m, t1, t2) \
+ SYSCALL_PT_ARG1(m, t1), m(t2, (regs->cx))
+#define SYSCALL_PT_ARG1(m, t1) m(t1, (regs->bx))
+#define SYSCALL_PT_ARGS(x, ...) SYSCALL_PT_ARG##x(__VA_ARGS__)
+
+#define __SC_COMPAT_CAST(t, a) \
+ (__typeof(__builtin_choose_expr(__TYPE_IS_L(t), 0, 0U))) \
+ (unsigned int)a
+
/* Mapping of registers to parameters for syscalls on i386 */
#define SC_IA32_REGS_TO_ARGS(x, ...) \
- __MAP(x,__SC_ARGS \
- ,,(unsigned int)regs->bx,,(unsigned int)regs->cx \
- ,,(unsigned int)regs->dx,,(unsigned int)regs->si \
- ,,(unsigned int)regs->di,,(unsigned int)regs->bp)
+ SYSCALL_PT_ARGS(x, __SC_COMPAT_CAST, \
+ __MAP(x, __SC_TYPE, __VA_ARGS__)) \

#define __SYS_STUB0(abi, name) \
long __##abi##_##name(const struct pt_regs *regs); \
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index a0727723676b..eb48729e220e 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -44,6 +44,7 @@
#include <linux/sync_core.h>
#include <linux/task_work.h>
#include <linux/hardirq.h>
+#include <linux/kexec.h>

#include <asm/intel-family.h>
#include <asm/processor.h>
@@ -274,6 +275,7 @@ static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
struct llist_node *pending;
struct mce_evt_llist *l;
int apei_err = 0;
+ struct page *p;

/*
* Allow instrumentation around external facilities usage. Not that it
@@ -329,6 +331,20 @@ static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
if (!fake_panic) {
if (panic_timeout == 0)
panic_timeout = mca_cfg.panic_timeout;
+
+ /*
+ * Kdump skips the poisoned page in order to avoid
+ * touching the error bits again. Poison the page even
+ * if the error is fatal and the machine is about to
+ * panic.
+ */
+ if (kexec_crash_loaded()) {
+ if (final && (final->status & MCI_STATUS_ADDRV)) {
+ p = pfn_to_online_page(final->addr >> PAGE_SHIFT);
+ if (p)
+ SetPageHWPoison(p);
+ }
+ }
panic(msg);
} else
pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg);
diff --git a/arch/x86/mm/ident_map.c b/arch/x86/mm/ident_map.c
index 968d7005f4a7..f50cc210a981 100644
--- a/arch/x86/mm/ident_map.c
+++ b/arch/x86/mm/ident_map.c
@@ -26,18 +26,31 @@ static int ident_pud_init(struct x86_mapping_info *info, pud_t *pud_page,
for (; addr < end; addr = next) {
pud_t *pud = pud_page + pud_index(addr);
pmd_t *pmd;
+ bool use_gbpage;

next = (addr & PUD_MASK) + PUD_SIZE;
if (next > end)
next = end;

- if (info->direct_gbpages) {
- pud_t pudval;
+ /* if this is already a gbpage, this portion is already mapped */
+ if (pud_large(*pud))
+ continue;
+
+ /* Is using a gbpage allowed? */
+ use_gbpage = info->direct_gbpages;

- if (pud_present(*pud))
- continue;
+ /* Don't use gbpage if it maps more than the requested region. */
+ /* at the begining: */
+ use_gbpage &= ((addr & ~PUD_MASK) == 0);
+ /* ... or at the end: */
+ use_gbpage &= ((next & ~PUD_MASK) == 0);
+
+ /* Never overwrite existing mappings */
+ use_gbpage &= !pud_present(*pud);
+
+ if (use_gbpage) {
+ pud_t pudval;

- addr &= PUD_MASK;
pudval = __pud((addr - info->offset) | info->page_flag);
set_pud(pud, pudval);
continue;
diff --git a/block/bio.c b/block/bio.c
index a0080dc55c95..92399883bc5e 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -809,7 +809,7 @@ static bool bio_try_merge_hw_seg(struct request_queue *q, struct bio *bio,

if ((addr1 | mask) != (addr2 | mask))
return false;
- if (bv->bv_len + len > queue_max_segment_size(q))
+ if (len > queue_max_segment_size(q) - bv->bv_len)
return false;
return __bio_try_merge_page(bio, page, len, offset, same_page);
}
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index f95feabb3ca8..645a589edda8 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -1342,6 +1342,13 @@ static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now)

lockdep_assert_held(&iocg->waitq.lock);

+ /*
+ * If the delay is set by another CPU, we may be in the past. No need to
+ * change anything if so. This avoids decay calculation underflow.
+ */
+ if (time_before64(now->now, iocg->delay_at))
+ return false;
+
/* calculate the current delay in effect - 1/2 every second */
tdelta = now->now - iocg->delay_at;
if (iocg->delay)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index bbbbcd2c1941..d80ebba16778 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1176,6 +1176,22 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx,
wait->flags &= ~WQ_FLAG_EXCLUSIVE;
__add_wait_queue(wq, wait);

+ /*
+ * Add one explicit barrier since blk_mq_get_driver_tag() may
+ * not imply barrier in case of failure.
+ *
+ * Order adding us to wait queue and allocating driver tag.
+ *
+ * The pair is the one implied in sbitmap_queue_wake_up() which
+ * orders clearing sbitmap tag bits and waitqueue_active() in
+ * __sbitmap_queue_wake_up(), since waitqueue_active() is lockless
+ *
+ * Otherwise, re-order of adding wait queue and getting driver tag
+ * may cause __sbitmap_queue_wake_up() to wake up nothing because
+ * the waitqueue_active() may not observe us in wait queue.
+ */
+ smp_mb();
+
/*
* It's possible that a tag was freed in the window between the
* allocation failure and adding the hardware queue to the wait
diff --git a/block/ioctl.c b/block/ioctl.c
index 0a3cf9aeec7d..7a939c178660 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -20,8 +20,6 @@ static int blkpg_do_ioctl(struct block_device *bdev,
struct blkpg_partition p;
sector_t start, length;

- if (disk->flags & GENHD_FL_NO_PART)
- return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (copy_from_user(&p, upart, sizeof(struct blkpg_partition)))
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 1ead8c001561..b6a941889bb4 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -463,6 +463,11 @@ int bdev_add_partition(struct gendisk *disk, int partno, sector_t start,
goto out;
}

+ if (disk->flags & GENHD_FL_NO_PART) {
+ ret = -EINVAL;
+ goto out;
+ }
+
if (partition_overlaps(disk, start, length, -1)) {
ret = -EBUSY;
goto out;
diff --git a/crypto/algapi.c b/crypto/algapi.c
index c390a79c5a66..565f591c4b81 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -258,6 +258,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
}

if (!strcmp(q->cra_driver_name, alg->cra_name) ||
+ !strcmp(q->cra_driver_name, alg->cra_driver_name) ||
!strcmp(q->cra_name, alg->cra_driver_name))
goto err;
}
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index 088db2356998..0a84d5afd37c 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -308,9 +308,10 @@ static int __init extlog_init(void)
static void __exit extlog_exit(void)
{
mce_unregister_decode_chain(&extlog_mce_dec);
- ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
- if (extlog_l1_addr)
+ if (extlog_l1_addr) {
+ ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
+ }
if (elog_addr)
acpi_os_unmap_iomem(elog_addr, elog_size);
release_mem_region(elog_base, elog_size);
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 61bcdc75bee7..c8eb69d3e1d6 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -566,6 +566,15 @@ static const struct dmi_system_id video_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
},
},
+ {
+ .callback = video_set_report_key_events,
+ .driver_data = (void *)((uintptr_t)REPORT_BRIGHTNESS_KEY_EVENTS),
+ .ident = "COLORFUL X15 AT 23",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "COLORFUL"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X15 AT 23"),
+ },
+ },
/*
* Some machines change the brightness themselves when a brightness
* hotkey gets pressed, despite us telling them not to. In this case
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 8678e162181f..160606af8b4f 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -99,6 +99,20 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes)
return ghes->generic->header.type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;
}

+/*
+ * A platform may describe one error source for the handling of synchronous
+ * errors (e.g. MCE or SEA), or for handling asynchronous errors (e.g. SCI
+ * or External Interrupt). On x86, the HEST notifications are always
+ * asynchronous, so only SEA on ARM is delivered as a synchronous
+ * notification.
+ */
+static inline bool is_hest_sync_notify(struct ghes *ghes)
+{
+ u8 notify_type = ghes->generic->notify.type;
+
+ return notify_type == ACPI_HEST_NOTIFY_SEA;
+}
+
/*
* This driver isn't really modular, however for the time being,
* continuing to use module_param is the easiest way to remain
@@ -461,7 +475,7 @@ static bool ghes_do_memory_failure(u64 physical_addr, int flags)
}

static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
- int sev)
+ int sev, bool sync)
{
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
@@ -475,7 +489,7 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
(gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED))
flags = MF_SOFT_OFFLINE;
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
- flags = 0;
+ flags = sync ? MF_ACTION_REQUIRED : 0;

if (flags != -1)
return ghes_do_memory_failure(mem_err->physical_addr, flags);
@@ -483,9 +497,11 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
return false;
}

-static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int sev)
+static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
+ int sev, bool sync)
{
struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+ int flags = sync ? MF_ACTION_REQUIRED : 0;
bool queued = false;
int sec_sev, i;
char *p;
@@ -510,7 +526,7 @@ static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int s
* and don't filter out 'corrected' error here.
*/
if (is_cache && has_pa) {
- queued = ghes_do_memory_failure(err_info->physical_fault_addr, 0);
+ queued = ghes_do_memory_failure(err_info->physical_fault_addr, flags);
p += err_info->length;
continue;
}
@@ -631,6 +647,7 @@ static bool ghes_do_proc(struct ghes *ghes,
const guid_t *fru_id = &guid_null;
char *fru_text = "";
bool queued = false;
+ bool sync = is_hest_sync_notify(ghes);

sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
@@ -648,13 +665,13 @@ static bool ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(sev, mem_err);

arch_apei_report_mem_error(sev, mem_err);
- queued = ghes_handle_memory_failure(gdata, sev);
+ queued = ghes_handle_memory_failure(gdata, sev, sync);
}
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
ghes_handle_aer(gdata);
}
else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
- queued = ghes_handle_arm_hw_error(gdata, sev);
+ queued = ghes_handle_arm_hw_error(gdata, sev, sync);
} else {
void *err = acpi_hest_get_payload(gdata);

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index b4b73093757f..7547c4ed265c 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -450,6 +450,16 @@ binder_enqueue_thread_work_ilocked(struct binder_thread *thread,
{
WARN_ON(!list_empty(&thread->waiting_thread_node));
binder_enqueue_work_ilocked(work, &thread->todo);
+
+ /* (e)poll-based threads require an explicit wakeup signal when
+ * queuing their own work; they rely on these events to consume
+ * messages without I/O block. Without it, threads risk waiting
+ * indefinitely without handling the work.
+ */
+ if (thread->looper & BINDER_LOOPER_STATE_POLL &&
+ thread->pid == current->pid && !thread->process_todo)
+ wake_up_interruptible_sync(&thread->wait);
+
thread->process_todo = true;
}

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 49cb4537344a..2daf50d4cd47 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -2930,6 +2930,8 @@ open_card_ubr0(struct idt77252_dev *card)
vc->scq = alloc_scq(card, vc->class);
if (!vc->scq) {
printk("%s: can't get SCQ.\n", card->name);
+ kfree(card->vcs[0]);
+ card->vcs[0] = NULL;
return -ENOMEM;
}

diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index 00fb4120a5b3..bce0902dccb4 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -144,7 +144,7 @@ void __init early_map_cpu_to_node(unsigned int cpu, int nid)
unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(__per_cpu_offset);

-static int __init early_cpu_to_node(int cpu)
+int __init early_cpu_to_node(int cpu)
{
return cpu_to_node_map[cpu];
}
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 6ffee01e174d..aaf6c297c63d 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1044,7 +1044,7 @@ static int __init genpd_power_off_unused(void)

return 0;
}
-late_initcall(genpd_power_off_unused);
+late_initcall_sync(genpd_power_off_unused);

#ifdef CONFIG_PM_SLEEP

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 8c4819fe73d4..185ea0d93a5e 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -580,7 +580,7 @@ bool dev_pm_skip_resume(struct device *dev)
}

/**
- * device_resume_noirq - Execute a "noirq resume" callback for given device.
+ * __device_resume_noirq - Execute a "noirq resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
@@ -588,7 +588,7 @@ bool dev_pm_skip_resume(struct device *dev)
* The driver of @dev will not receive interrupts while this function is being
* executed.
*/
-static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -656,7 +656,13 @@ static int device_resume_noirq(struct device *dev, pm_message_t state, bool asyn
Out:
complete_all(&dev->power.completion);
TRACE_RESUME(error);
- return error;
+
+ if (error) {
+ suspend_stats.failed_resume_noirq++;
+ dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async noirq" : " noirq", error);
+ }
}

static bool is_async(struct device *dev)
@@ -669,27 +675,35 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
{
reinit_completion(&dev->power.completion);

- if (is_async(dev)) {
- get_device(dev);
- async_schedule_dev(func, dev);
+ if (!is_async(dev))
+ return false;
+
+ get_device(dev);
+
+ if (async_schedule_dev_nocall(func, dev))
return true;
- }
+
+ put_device(dev);

return false;
}

static void async_resume_noirq(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
-
- error = device_resume_noirq(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ struct device *dev = data;

+ __device_resume_noirq(dev, pm_transition, true);
put_device(dev);
}

+static void device_resume_noirq(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume_noirq))
+ return;
+
+ __device_resume_noirq(dev, pm_transition, false);
+}
+
static void dpm_noirq_resume_devices(pm_message_t state)
{
struct device *dev;
@@ -699,14 +713,6 @@ static void dpm_noirq_resume_devices(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;

- /*
- * Advanced the async threads upfront,
- * in case the starting of async threads is
- * delayed by non-async resuming devices.
- */
- list_for_each_entry(dev, &dpm_noirq_list, power.entry)
- dpm_async_fn(dev, async_resume_noirq);
-
while (!list_empty(&dpm_noirq_list)) {
dev = to_device(dpm_noirq_list.next);
get_device(dev);
@@ -714,17 +720,7 @@ static void dpm_noirq_resume_devices(pm_message_t state)

mutex_unlock(&dpm_list_mtx);

- if (!is_async(dev)) {
- int error;
-
- error = device_resume_noirq(dev, state, false);
- if (error) {
- suspend_stats.failed_resume_noirq++;
- dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, " noirq", error);
- }
- }
+ device_resume_noirq(dev);

put_device(dev);

@@ -754,14 +750,14 @@ void dpm_resume_noirq(pm_message_t state)
}

/**
- * device_resume_early - Execute an "early resume" callback for given device.
+ * __device_resume_early - Execute an "early resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*
* Runtime PM is disabled for @dev while this function is being executed.
*/
-static int device_resume_early(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_early(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -814,21 +810,31 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn

pm_runtime_enable(dev);
complete_all(&dev->power.completion);
- return error;
+
+ if (error) {
+ suspend_stats.failed_resume_early++;
+ dpm_save_failed_step(SUSPEND_RESUME_EARLY);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async early" : " early", error);
+ }
}

static void async_resume_early(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
-
- error = device_resume_early(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ struct device *dev = data;

+ __device_resume_early(dev, pm_transition, true);
put_device(dev);
}

+static void device_resume_early(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume_early))
+ return;
+
+ __device_resume_early(dev, pm_transition, false);
+}
+
/**
* dpm_resume_early - Execute "early resume" callbacks for all devices.
* @state: PM transition of the system being carried out.
@@ -842,14 +848,6 @@ void dpm_resume_early(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;

- /*
- * Advanced the async threads upfront,
- * in case the starting of async threads is
- * delayed by non-async resuming devices.
- */
- list_for_each_entry(dev, &dpm_late_early_list, power.entry)
- dpm_async_fn(dev, async_resume_early);
-
while (!list_empty(&dpm_late_early_list)) {
dev = to_device(dpm_late_early_list.next);
get_device(dev);
@@ -857,17 +855,7 @@ void dpm_resume_early(pm_message_t state)

mutex_unlock(&dpm_list_mtx);

- if (!is_async(dev)) {
- int error;
-
- error = device_resume_early(dev, state, false);
- if (error) {
- suspend_stats.failed_resume_early++;
- dpm_save_failed_step(SUSPEND_RESUME_EARLY);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, " early", error);
- }
- }
+ device_resume_early(dev);

put_device(dev);

@@ -891,12 +879,12 @@ void dpm_resume_start(pm_message_t state)
EXPORT_SYMBOL_GPL(dpm_resume_start);

/**
- * device_resume - Execute "resume" callbacks for given device.
+ * __device_resume - Execute "resume" callbacks for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*/
-static int device_resume(struct device *dev, pm_message_t state, bool async)
+static void __device_resume(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -978,20 +966,30 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)

TRACE_RESUME(error);

- return error;
+ if (error) {
+ suspend_stats.failed_resume++;
+ dpm_save_failed_step(SUSPEND_RESUME);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async" : "", error);
+ }
}

static void async_resume(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
+ struct device *dev = data;

- error = device_resume(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ __device_resume(dev, pm_transition, true);
put_device(dev);
}

+static void device_resume(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume))
+ return;
+
+ __device_resume(dev, pm_transition, false);
+}
+
/**
* dpm_resume - Execute "resume" callbacks for non-sysdev devices.
* @state: PM transition of the system being carried out.
@@ -1011,27 +1009,17 @@ void dpm_resume(pm_message_t state)
pm_transition = state;
async_error = 0;

- list_for_each_entry(dev, &dpm_suspended_list, power.entry)
- dpm_async_fn(dev, async_resume);
-
while (!list_empty(&dpm_suspended_list)) {
dev = to_device(dpm_suspended_list.next);
+
get_device(dev);
- if (!is_async(dev)) {
- int error;

- mutex_unlock(&dpm_list_mtx);
+ mutex_unlock(&dpm_list_mtx);
+
+ device_resume(dev);

- error = device_resume(dev, state, false);
- if (error) {
- suspend_stats.failed_resume++;
- dpm_save_failed_step(SUSPEND_RESUME);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, "", error);
- }
+ mutex_lock(&dpm_list_mtx);

- mutex_lock(&dpm_list_mtx);
- }
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &dpm_prepared_list);

@@ -1272,7 +1260,7 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a

static void async_suspend_noirq(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;

error = __device_suspend_noirq(dev, pm_transition, true);
@@ -1455,7 +1443,7 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as

static void async_suspend_late(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;

error = __device_suspend_late(dev, pm_transition, true);
@@ -1731,7 +1719,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)

static void async_suspend(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;

error = __device_suspend(dev, pm_transition, true);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 5824d41a0b74..6699096ff2fa 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1479,11 +1479,16 @@ EXPORT_SYMBOL_GPL(pm_runtime_enable);

static void pm_runtime_disable_action(void *data)
{
+ pm_runtime_dont_use_autosuspend(data);
pm_runtime_disable(data);
}

/**
* devm_pm_runtime_enable - devres-enabled version of pm_runtime_enable.
+ *
+ * NOTE: this will also handle calling pm_runtime_dont_use_autosuspend() for
+ * you at driver exit time if needed.
+ *
* @dev: Device to handle.
*/
int devm_pm_runtime_enable(struct device *dev)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 16744a79a178..3d6b12f27d0c 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3454,14 +3454,15 @@ static bool rbd_lock_add_request(struct rbd_img_request *img_req)
static void rbd_lock_del_request(struct rbd_img_request *img_req)
{
struct rbd_device *rbd_dev = img_req->rbd_dev;
- bool need_wakeup;
+ bool need_wakeup = false;

lockdep_assert_held(&rbd_dev->lock_rwsem);
spin_lock(&rbd_dev->lock_lists_lock);
- rbd_assert(!list_empty(&img_req->lock_item));
- list_del_init(&img_req->lock_item);
- need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
- list_empty(&rbd_dev->running_list));
+ if (!list_empty(&img_req->lock_item)) {
+ list_del_init(&img_req->lock_item);
+ need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
+ list_empty(&rbd_dev->running_list));
+ }
spin_unlock(&rbd_dev->lock_lists_lock);
if (need_wakeup)
complete(&rbd_dev->releasing_wait);
@@ -3844,14 +3845,19 @@ static void wake_lock_waiters(struct rbd_device *rbd_dev, int result)
return;
}

- list_for_each_entry(img_req, &rbd_dev->acquiring_list, lock_item) {
+ while (!list_empty(&rbd_dev->acquiring_list)) {
+ img_req = list_first_entry(&rbd_dev->acquiring_list,
+ struct rbd_img_request, lock_item);
mutex_lock(&img_req->state_mutex);
rbd_assert(img_req->state == RBD_IMG_EXCLUSIVE_LOCK);
+ if (!result)
+ list_move_tail(&img_req->lock_item,
+ &rbd_dev->running_list);
+ else
+ list_del_init(&img_req->lock_item);
rbd_img_schedule(img_req, result);
mutex_unlock(&img_req->state_mutex);
}
-
- list_splice_tail_init(&rbd_dev->acquiring_list, &rbd_dev->running_list);
}

static bool locker_equal(const struct ceph_locker *lhs,
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 1896cde8135e..86a6242d9c20 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -606,6 +606,7 @@ static char *rnbd_srv_get_full_path(struct rnbd_srv_session *srv_sess,
{
char *full_path;
char *a, *b;
+ int len;

full_path = kmalloc(PATH_MAX, GFP_KERNEL);
if (!full_path)
@@ -617,19 +618,19 @@ static char *rnbd_srv_get_full_path(struct rnbd_srv_session *srv_sess,
*/
a = strnstr(dev_search_path, "%SESSNAME%", sizeof(dev_search_path));
if (a) {
- int len = a - dev_search_path;
+ len = a - dev_search_path;

len = snprintf(full_path, PATH_MAX, "%.*s/%s/%s", len,
dev_search_path, srv_sess->sessname, dev_name);
- if (len >= PATH_MAX) {
- pr_err("Too long path: %s, %s, %s\n",
- dev_search_path, srv_sess->sessname, dev_name);
- kfree(full_path);
- return ERR_PTR(-EINVAL);
- }
} else {
- snprintf(full_path, PATH_MAX, "%s/%s",
- dev_search_path, dev_name);
+ len = snprintf(full_path, PATH_MAX, "%s/%s",
+ dev_search_path, dev_name);
+ }
+ if (len >= PATH_MAX) {
+ pr_err("Too long path: %s, %s, %s\n",
+ dev_search_path, srv_sess->sessname, dev_name);
+ kfree(full_path);
+ return ERR_PTR(-EINVAL);
}

/* eliminitate duplicated slashes */
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 56b4b7248483..d10f1fe0f5fa 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1860,6 +1860,7 @@ static const struct qca_device_data qca_soc_data_wcn3998 = {
static const struct qca_device_data qca_soc_data_qca6390 = {
.soc_type = QCA_QCA6390,
.num_vregs = 0,
+ .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
};

static const struct qca_device_data qca_soc_data_wcn6750 = {
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 829d4fca7ddc..7ccc5cd27fd0 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -338,7 +338,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
er_ctxt->msivec = cpu_to_le32(mhi_event->irq);
mhi_event->db_cfg.db_mode = true;

- ring->el_size = sizeof(struct mhi_tre);
+ ring->el_size = sizeof(struct mhi_ring_element);
ring->len = ring->el_size * ring->elements;
ret = mhi_alloc_aligned_ring(mhi_cntrl, ring, ring->len);
if (ret)
@@ -370,7 +370,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
for (i = 0; i < NR_OF_CMD_RINGS; i++, mhi_cmd++, cmd_ctxt++) {
struct mhi_ring *ring = &mhi_cmd->ring;

- ring->el_size = sizeof(struct mhi_tre);
+ ring->el_size = sizeof(struct mhi_ring_element);
ring->elements = CMD_EL_PER_RING;
ring->len = ring->el_size * ring->elements;
ret = mhi_alloc_aligned_ring(mhi_cntrl, ring, ring->len);
@@ -613,7 +613,7 @@ int mhi_init_chan_ctxt(struct mhi_controller *mhi_cntrl,

buf_ring = &mhi_chan->buf_ring;
tre_ring = &mhi_chan->tre_ring;
- tre_ring->el_size = sizeof(struct mhi_tre);
+ tre_ring->el_size = sizeof(struct mhi_ring_element);
tre_ring->len = tre_ring->el_size * tre_ring->elements;
chan_ctxt = &mhi_cntrl->mhi_ctxt->chan_ctxt[mhi_chan->chan];
ret = mhi_alloc_aligned_ring(mhi_cntrl, tre_ring, tre_ring->len);
diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h
index 71f181402be9..df65bb17fdba 100644
--- a/drivers/bus/mhi/host/internal.h
+++ b/drivers/bus/mhi/host/internal.h
@@ -257,7 +257,7 @@ struct mhi_ctxt {
dma_addr_t cmd_ctxt_addr;
};

-struct mhi_tre {
+struct mhi_ring_element {
__le64 ptr;
__le32 dword[2];
};
diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index 6b3668999942..1cb7c60594f1 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -267,7 +267,8 @@ static void mhi_del_ring_element(struct mhi_controller *mhi_cntrl,

static bool is_valid_ring_ptr(struct mhi_ring *ring, dma_addr_t addr)
{
- return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len;
+ return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len &&
+ !(addr & (sizeof(struct mhi_ring_element) - 1));
}

int mhi_destroy_device(struct device *dev, void *data)
@@ -556,7 +557,7 @@ static void mhi_recycle_ev_ring_element(struct mhi_controller *mhi_cntrl,
}

static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
- struct mhi_tre *event,
+ struct mhi_ring_element *event,
struct mhi_chan *mhi_chan)
{
struct mhi_ring *buf_ring, *tre_ring;
@@ -592,7 +593,7 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
case MHI_EV_CC_EOT:
{
dma_addr_t ptr = MHI_TRE_GET_EV_PTR(event);
- struct mhi_tre *local_rp, *ev_tre;
+ struct mhi_ring_element *local_rp, *ev_tre;
void *dev_rp;
struct mhi_buf_info *buf_info;
u16 xfer_len;
@@ -633,6 +634,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
mhi_del_ring_element(mhi_cntrl, tre_ring);
local_rp = tre_ring->rp;

+ read_unlock_bh(&mhi_chan->lock);
+
/* notify client */
mhi_chan->xfer_cb(mhi_chan->mhi_dev, &result);

@@ -658,6 +661,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
kfree(buf_info->cb_buf);
}
}
+
+ read_lock_bh(&mhi_chan->lock);
}
break;
} /* CC_EOT */
@@ -691,7 +696,7 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
}

static int parse_rsc_event(struct mhi_controller *mhi_cntrl,
- struct mhi_tre *event,
+ struct mhi_ring_element *event,
struct mhi_chan *mhi_chan)
{
struct mhi_ring *buf_ring, *tre_ring;
@@ -755,12 +760,12 @@ static int parse_rsc_event(struct mhi_controller *mhi_cntrl,
}

static void mhi_process_cmd_completion(struct mhi_controller *mhi_cntrl,
- struct mhi_tre *tre)
+ struct mhi_ring_element *tre)
{
dma_addr_t ptr = MHI_TRE_GET_EV_PTR(tre);
struct mhi_cmd *cmd_ring = &mhi_cntrl->mhi_cmd[PRIMARY_CMD_RING];
struct mhi_ring *mhi_ring = &cmd_ring->ring;
- struct mhi_tre *cmd_pkt;
+ struct mhi_ring_element *cmd_pkt;
struct mhi_chan *mhi_chan;
u32 chan;

@@ -793,7 +798,7 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl,
struct mhi_event *mhi_event,
u32 event_quota)
{
- struct mhi_tre *dev_rp, *local_rp;
+ struct mhi_ring_element *dev_rp, *local_rp;
struct mhi_ring *ev_ring = &mhi_event->ring;
struct mhi_event_ctxt *er_ctxt =
&mhi_cntrl->mhi_ctxt->er_ctxt[mhi_event->er_index];
@@ -963,7 +968,7 @@ int mhi_process_data_event_ring(struct mhi_controller *mhi_cntrl,
struct mhi_event *mhi_event,
u32 event_quota)
{
- struct mhi_tre *dev_rp, *local_rp;
+ struct mhi_ring_element *dev_rp, *local_rp;
struct mhi_ring *ev_ring = &mhi_event->ring;
struct mhi_event_ctxt *er_ctxt =
&mhi_cntrl->mhi_ctxt->er_ctxt[mhi_event->er_index];
@@ -1110,17 +1115,15 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
if (unlikely(MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)))
return -EIO;

- read_lock_irqsave(&mhi_cntrl->pm_lock, flags);
-
ret = mhi_is_ring_full(mhi_cntrl, tre_ring);
- if (unlikely(ret)) {
- ret = -EAGAIN;
- goto exit_unlock;
- }
+ if (unlikely(ret))
+ return -EAGAIN;

ret = mhi_gen_tre(mhi_cntrl, mhi_chan, buf_info, mflags);
if (unlikely(ret))
- goto exit_unlock;
+ return ret;
+
+ read_lock_irqsave(&mhi_cntrl->pm_lock, flags);

/* Packet is queued, take a usage ref to exit M3 if necessary
* for host->device buffer, balanced put is done on buffer completion
@@ -1140,7 +1143,6 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
if (dir == DMA_FROM_DEVICE)
mhi_cntrl->runtime_put(mhi_cntrl);

-exit_unlock:
read_unlock_irqrestore(&mhi_cntrl->pm_lock, flags);

return ret;
@@ -1187,11 +1189,14 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
struct mhi_buf_info *info, enum mhi_flags flags)
{
struct mhi_ring *buf_ring, *tre_ring;
- struct mhi_tre *mhi_tre;
+ struct mhi_ring_element *mhi_tre;
struct mhi_buf_info *buf_info;
int eot, eob, chain, bei;
int ret;

+ /* Protect accesses for reading and incrementing WP */
+ write_lock_bh(&mhi_chan->lock);
+
buf_ring = &mhi_chan->buf_ring;
tre_ring = &mhi_chan->tre_ring;

@@ -1209,8 +1214,10 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,

if (!info->pre_mapped) {
ret = mhi_cntrl->map_single(mhi_cntrl, buf_info);
- if (ret)
+ if (ret) {
+ write_unlock_bh(&mhi_chan->lock);
return ret;
+ }
}

eob = !!(flags & MHI_EOB);
@@ -1227,6 +1234,8 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
mhi_add_ring_element(mhi_cntrl, tre_ring);
mhi_add_ring_element(mhi_cntrl, buf_ring);

+ write_unlock_bh(&mhi_chan->lock);
+
return 0;
}

@@ -1258,7 +1267,7 @@ int mhi_send_cmd(struct mhi_controller *mhi_cntrl,
struct mhi_chan *mhi_chan,
enum mhi_cmd_type cmd)
{
- struct mhi_tre *cmd_tre = NULL;
+ struct mhi_ring_element *cmd_tre = NULL;
struct mhi_cmd *mhi_cmd = &mhi_cntrl->mhi_cmd[PRIMARY_CMD_RING];
struct mhi_ring *ring = &mhi_cmd->ring;
struct device *dev = &mhi_cntrl->mhi_dev->dev;
@@ -1516,7 +1525,7 @@ static void mhi_mark_stale_events(struct mhi_controller *mhi_cntrl,
int chan)

{
- struct mhi_tre *dev_rp, *local_rp;
+ struct mhi_ring_element *dev_rp, *local_rp;
struct mhi_ring *ev_ring;
struct device *dev = &mhi_cntrl->mhi_dev->dev;
unsigned long flags;
diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index fd87a59837fa..fbf0818933be 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -832,6 +832,12 @@ static int moxtet_remove(struct spi_device *spi)
return 0;
}

+static const struct spi_device_id moxtet_spi_ids[] = {
+ { "moxtet" },
+ { },
+};
+MODULE_DEVICE_TABLE(spi, moxtet_spi_ids);
+
static const struct of_device_id moxtet_dt_ids[] = {
{ .compatible = "cznic,moxtet" },
{},
@@ -843,6 +849,7 @@ static struct spi_driver moxtet_spi_driver = {
.name = "moxtet",
.of_match_table = moxtet_dt_ids,
},
+ .id_table = moxtet_spi_ids,
.probe = moxtet_probe,
.remove = moxtet_remove,
};
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index cfb085de876b..c3a2df67e0e9 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -24,10 +24,13 @@
#include <linux/random.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <linux/uaccess.h>

#define RNG_MODULE_NAME "hw_random"

+#define RNG_BUFFER_SIZE (SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES)
+
static struct hwrng *current_rng;
/* the current rng has been explicitly chosen by user via sysfs */
static int cur_rng_set_by_user;
@@ -59,7 +62,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,

static size_t rng_buffer_size(void)
{
- return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES;
+ return RNG_BUFFER_SIZE;
}

static void add_early_randomness(struct hwrng *rng)
@@ -206,6 +209,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
static ssize_t rng_dev_read(struct file *filp, char __user *buf,
size_t size, loff_t *offp)
{
+ u8 buffer[RNG_BUFFER_SIZE];
ssize_t ret = 0;
int err = 0;
int bytes_read, len;
@@ -233,34 +237,37 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
if (bytes_read < 0) {
err = bytes_read;
goto out_unlock_reading;
+ } else if (bytes_read == 0 &&
+ (filp->f_flags & O_NONBLOCK)) {
+ err = -EAGAIN;
+ goto out_unlock_reading;
}
+
data_avail = bytes_read;
}

- if (!data_avail) {
- if (filp->f_flags & O_NONBLOCK) {
- err = -EAGAIN;
- goto out_unlock_reading;
- }
- } else {
- len = data_avail;
+ len = data_avail;
+ if (len) {
if (len > size)
len = size;

data_avail -= len;

- if (copy_to_user(buf + ret, rng_buffer + data_avail,
- len)) {
+ memcpy(buffer, rng_buffer + data_avail, len);
+ }
+ mutex_unlock(&reading_mutex);
+ put_rng(rng);
+
+ if (len) {
+ if (copy_to_user(buf + ret, buffer, len)) {
err = -EFAULT;
- goto out_unlock_reading;
+ goto out;
}

size -= len;
ret += len;
}

- mutex_unlock(&reading_mutex);
- put_rng(rng);

if (need_resched())
schedule_timeout_interruptible(1);
@@ -271,6 +278,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
}
}
out:
+ memzero_explicit(buffer, sizeof(buffer));
return ret ? : err;

out_unlock_reading:
diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c
index a3d04c7c3da8..eb9c139babc3 100644
--- a/drivers/clk/hisilicon/clk-hi3620.c
+++ b/drivers/clk/hisilicon/clk-hi3620.c
@@ -467,8 +467,10 @@ static void __init hi3620_mmc_clk_init(struct device_node *node)
return;

clk_data->clks = kcalloc(num, sizeof(*clk_data->clks), GFP_KERNEL);
- if (!clk_data->clks)
+ if (!clk_data->clks) {
+ kfree(clk_data);
return;
+ }

for (i = 0; i < num; i++) {
struct hisi_mmc_clock *mmc_clk = &hi3620_mmc_clks[i];
diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index 32df47c56621..ef560b59df11 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -67,6 +67,22 @@ static const char * const lcd_pxl_sels[] = {
"lcd_pxl_bypass_div_clk",
};

+static const char *const lvds0_sels[] = {
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "mipi0_lvds_bypass_clk",
+};
+
+static const char *const lvds1_sels[] = {
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "clk_dummy",
+ "mipi1_lvds_bypass_clk",
+};
+
static const char * const mipi_sels[] = {
"clk_dummy",
"clk_dummy",
@@ -201,9 +217,9 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
/* MIPI-LVDS SS */
imx_clk_scu("mipi0_bypass_clk", IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_BYPASS);
imx_clk_scu("mipi0_pixel_clk", IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_PER);
- imx_clk_scu("mipi0_lvds_pixel_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC2);
imx_clk_scu("mipi0_lvds_bypass_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_BYPASS);
- imx_clk_scu("mipi0_lvds_phy_clk", IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC3);
+ imx_clk_scu2("mipi0_lvds_pixel_clk", lvds0_sels, ARRAY_SIZE(lvds0_sels), IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC2);
+ imx_clk_scu2("mipi0_lvds_phy_clk", lvds0_sels, ARRAY_SIZE(lvds0_sels), IMX_SC_R_LVDS_0, IMX_SC_PM_CLK_MISC3);
imx_clk_scu2("mipi0_dsi_tx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_MST_BUS);
imx_clk_scu2("mipi0_dsi_rx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_SLV_BUS);
imx_clk_scu2("mipi0_dsi_phy_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_0, IMX_SC_PM_CLK_PHY);
@@ -213,9 +229,9 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)

imx_clk_scu("mipi1_bypass_clk", IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_BYPASS);
imx_clk_scu("mipi1_pixel_clk", IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_PER);
- imx_clk_scu("mipi1_lvds_pixel_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC2);
imx_clk_scu("mipi1_lvds_bypass_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_BYPASS);
- imx_clk_scu("mipi1_lvds_phy_clk", IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC3);
+ imx_clk_scu2("mipi1_lvds_pixel_clk", lvds1_sels, ARRAY_SIZE(lvds1_sels), IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC2);
+ imx_clk_scu2("mipi1_lvds_phy_clk", lvds1_sels, ARRAY_SIZE(lvds1_sels), IMX_SC_R_LVDS_1, IMX_SC_PM_CLK_MISC3);

imx_clk_scu2("mipi1_dsi_tx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_MST_BUS);
imx_clk_scu2("mipi1_dsi_rx_esc_clk", mipi_sels, ARRAY_SIZE(mipi_sels), IMX_SC_R_MIPI_1, IMX_SC_PM_CLK_SLV_BUS);
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 1cee88b073fa..89a914a15d62 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -841,8 +841,10 @@ struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_na
if (!clk_node)
return ERR_PTR(-ENOMEM);

- if (!imx_scu_clk_is_valid(rsrc_id))
+ if (!imx_scu_clk_is_valid(rsrc_id)) {
+ kfree(clk_node);
return ERR_PTR(-EINVAL);
+ }

clk = kzalloc(sizeof(*clk), GFP_KERNEL);
if (!clk) {
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
index f110c02e83cb..9674c6c06dca 100644
--- a/drivers/clk/mmp/clk-of-pxa168.c
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -258,18 +258,21 @@ static void __init pxa168_clk_init(struct device_node *np)
pxa_unit->mpmu_base = of_iomap(np, 0);
if (!pxa_unit->mpmu_base) {
pr_err("failed to map mpmu registers\n");
+ kfree(pxa_unit);
return;
}

pxa_unit->apmu_base = of_iomap(np, 1);
if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
+ kfree(pxa_unit);
return;
}

pxa_unit->apbc_base = of_iomap(np, 2);
if (!pxa_unit->apbc_base) {
pr_err("failed to map apbc registers\n");
+ kfree(pxa_unit);
return;
}

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 736cb2cfcbb0..dd5f4eee9ffb 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -490,6 +490,30 @@ static inline int intel_pstate_get_cppc_guaranteed(int cpu)
}
#endif /* CONFIG_ACPI_CPPC_LIB */

+static int intel_pstate_freq_to_hwp_rel(struct cpudata *cpu, int freq,
+ unsigned int relation)
+{
+ if (freq == cpu->pstate.turbo_freq)
+ return cpu->pstate.turbo_pstate;
+
+ if (freq == cpu->pstate.max_freq)
+ return cpu->pstate.max_pstate;
+
+ switch (relation) {
+ case CPUFREQ_RELATION_H:
+ return freq / cpu->pstate.scaling;
+ case CPUFREQ_RELATION_C:
+ return DIV_ROUND_CLOSEST(freq, cpu->pstate.scaling);
+ }
+
+ return DIV_ROUND_UP(freq, cpu->pstate.scaling);
+}
+
+static int intel_pstate_freq_to_hwp(struct cpudata *cpu, int freq)
+{
+ return intel_pstate_freq_to_hwp_rel(cpu, freq, CPUFREQ_RELATION_L);
+}
+
/**
* intel_pstate_hybrid_hwp_adjust - Calibrate HWP performance levels.
* @cpu: Target CPU.
@@ -507,6 +531,7 @@ static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu)
int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling;
int perf_ctl_turbo = pstate_funcs.get_turbo(cpu->cpu);
int scaling = cpu->pstate.scaling;
+ int freq;

pr_debug("CPU%d: perf_ctl_max_phys = %d\n", cpu->cpu, perf_ctl_max_phys);
pr_debug("CPU%d: perf_ctl_turbo = %d\n", cpu->cpu, perf_ctl_turbo);
@@ -520,16 +545,16 @@ static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu)
cpu->pstate.max_freq = rounddown(cpu->pstate.max_pstate * scaling,
perf_ctl_scaling);

- cpu->pstate.max_pstate_physical =
- DIV_ROUND_UP(perf_ctl_max_phys * perf_ctl_scaling,
- scaling);
+ freq = perf_ctl_max_phys * perf_ctl_scaling;
+ cpu->pstate.max_pstate_physical = intel_pstate_freq_to_hwp(cpu, freq);

- cpu->pstate.min_freq = cpu->pstate.min_pstate * perf_ctl_scaling;
+ freq = cpu->pstate.min_pstate * perf_ctl_scaling;
+ cpu->pstate.min_freq = freq;
/*
* Cast the min P-state value retrieved via pstate_funcs.get_min() to
* the effective range of HWP performance levels.
*/
- cpu->pstate.min_pstate = DIV_ROUND_UP(cpu->pstate.min_freq, scaling);
+ cpu->pstate.min_pstate = intel_pstate_freq_to_hwp(cpu, freq);
}

static inline void update_turbo_state(void)
@@ -2332,18 +2357,13 @@ static void intel_pstate_update_perf_limits(struct cpudata *cpu,
* HWP needs some special consideration, because HWP_REQUEST uses
* abstract values to represent performance rather than pure ratios.
*/
- if (hwp_active) {
- intel_pstate_get_hwp_cap(cpu);
-
- if (cpu->pstate.scaling != perf_ctl_scaling) {
- int scaling = cpu->pstate.scaling;
- int freq;
+ if (hwp_active && cpu->pstate.scaling != perf_ctl_scaling) {
+ int freq;

- freq = max_policy_perf * perf_ctl_scaling;
- max_policy_perf = DIV_ROUND_UP(freq, scaling);
- freq = min_policy_perf * perf_ctl_scaling;
- min_policy_perf = DIV_ROUND_UP(freq, scaling);
- }
+ freq = max_policy_perf * perf_ctl_scaling;
+ max_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
+ freq = min_policy_perf * perf_ctl_scaling;
+ min_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
}

pr_debug("cpu:%d min_policy_perf:%d max_policy_perf:%d\n",
@@ -2712,18 +2732,7 @@ static int intel_cpufreq_target(struct cpufreq_policy *policy,

cpufreq_freq_transition_begin(policy, &freqs);

- switch (relation) {
- case CPUFREQ_RELATION_L:
- target_pstate = DIV_ROUND_UP(freqs.new, cpu->pstate.scaling);
- break;
- case CPUFREQ_RELATION_H:
- target_pstate = freqs.new / cpu->pstate.scaling;
- break;
- default:
- target_pstate = DIV_ROUND_CLOSEST(freqs.new, cpu->pstate.scaling);
- break;
- }
-
+ target_pstate = intel_pstate_freq_to_hwp_rel(cpu, freqs.new, relation);
target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, false);

freqs.new = target_pstate * cpu->pstate.scaling;
@@ -2741,7 +2750,7 @@ static unsigned int intel_cpufreq_fast_switch(struct cpufreq_policy *policy,

update_turbo_state();

- target_pstate = DIV_ROUND_UP(target_freq, cpu->pstate.scaling);
+ target_pstate = intel_pstate_freq_to_hwp(cpu, target_freq);

target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, true);

diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 70174a9118b1..50120ed94231 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -323,10 +323,16 @@ EXPORT_SYMBOL_GPL(sev_platform_init);

static int __sev_platform_shutdown_locked(int *error)
{
- struct sev_device *sev = psp_master->sev_data;
+ struct psp_device *psp = psp_master;
+ struct sev_device *sev;
int ret;

- if (!sev || sev->state == SEV_STATE_UNINIT)
+ if (!psp || !psp->sev_data)
+ return 0;
+
+ sev = psp->sev_data;
+
+ if (sev->state == SEV_STATE_UNINIT)
return 0;

ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error);
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c
index c8350fcd60fa..dc0c25f0a11a 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c
@@ -414,8 +414,8 @@ int otx2_cptlf_init(struct otx2_cptlfs_info *lfs, u8 eng_grp_mask, int pri,
return 0;

free_iq:
- otx2_cpt_free_instruction_queues(lfs);
cptlf_hw_cleanup(lfs);
+ otx2_cpt_free_instruction_queues(lfs);
detach_rsrcs:
otx2_cpt_detach_rsrcs_msg(lfs);
clear_lfs_num:
@@ -425,9 +425,11 @@ int otx2_cptlf_init(struct otx2_cptlfs_info *lfs, u8 eng_grp_mask, int pri,

void otx2_cptlf_shutdown(struct otx2_cptlfs_info *lfs)
{
- lfs->lfs_num = 0;
/* Cleanup LFs hardware side */
cptlf_hw_cleanup(lfs);
+ /* Free instruction queues */
+ otx2_cpt_free_instruction_queues(lfs);
/* Send request to detach LFs */
otx2_cpt_detach_rsrcs_msg(lfs);
+ lfs->lfs_num = 0;
}
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c
index 3411e664cf50..73de61ebbbcf 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c
@@ -249,8 +249,11 @@ static void cptvf_lf_shutdown(struct otx2_cptlfs_info *lfs)
otx2_cptlf_unregister_interrupts(lfs);
/* Cleanup LFs software side */
lf_sw_cleanup(lfs);
+ /* Free instruction queues */
+ otx2_cpt_free_instruction_queues(lfs);
/* Send request to detach LFs */
otx2_cpt_detach_rsrcs_msg(lfs);
+ lfs->lfs_num = 0;
}

static int cptvf_lf_init(struct otx2_cptvf_dev *cptvf)
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c
index 90a920e7f664..c439be1650c8 100644
--- a/drivers/crypto/stm32/stm32-crc32.c
+++ b/drivers/crypto/stm32/stm32-crc32.c
@@ -104,7 +104,7 @@ static struct stm32_crc *stm32_crc_get_next_crc(void)
struct stm32_crc *crc;

spin_lock_bh(&crc_list.lock);
- crc = list_first_entry(&crc_list.dev_list, struct stm32_crc, list);
+ crc = list_first_entry_or_null(&crc_list.dev_list, struct stm32_crc, list);
if (crc)
list_move_tail(&crc->list, &crc_list.dev_list);
spin_unlock_bh(&crc_list.lock);
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 29a14b0ffe33..237362316edb 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -464,10 +464,14 @@ static void devfreq_monitor(struct work_struct *work)
if (err)
dev_err(&devfreq->dev, "dvfs failed with (%d) error\n", err);

+ if (devfreq->stop_polling)
+ goto out;
+
queue_delayed_work(devfreq_wq, &devfreq->work,
msecs_to_jiffies(devfreq->profile->polling_ms));
- mutex_unlock(&devfreq->lock);

+out:
+ mutex_unlock(&devfreq->lock);
trace_devfreq_monitor(devfreq);
}

@@ -485,6 +489,10 @@ void devfreq_monitor_start(struct devfreq *devfreq)
if (IS_SUPPORTED_FLAG(devfreq->governor->flags, IRQ_DRIVEN))
return;

+ mutex_lock(&devfreq->lock);
+ if (delayed_work_pending(&devfreq->work))
+ goto out;
+
switch (devfreq->profile->timer) {
case DEVFREQ_TIMER_DEFERRABLE:
INIT_DEFERRABLE_WORK(&devfreq->work, devfreq_monitor);
@@ -493,12 +501,16 @@ void devfreq_monitor_start(struct devfreq *devfreq)
INIT_DELAYED_WORK(&devfreq->work, devfreq_monitor);
break;
default:
- return;
+ goto out;
}

if (devfreq->profile->polling_ms)
queue_delayed_work(devfreq_wq, &devfreq->work,
msecs_to_jiffies(devfreq->profile->polling_ms));
+
+out:
+ devfreq->stop_polling = false;
+ mutex_unlock(&devfreq->lock);
}
EXPORT_SYMBOL(devfreq_monitor_start);

@@ -515,6 +527,14 @@ void devfreq_monitor_stop(struct devfreq *devfreq)
if (IS_SUPPORTED_FLAG(devfreq->governor->flags, IRQ_DRIVEN))
return;

+ mutex_lock(&devfreq->lock);
+ if (devfreq->stop_polling) {
+ mutex_unlock(&devfreq->lock);
+ return;
+ }
+
+ devfreq->stop_polling = true;
+ mutex_unlock(&devfreq->lock);
cancel_delayed_work_sync(&devfreq->work);
}
EXPORT_SYMBOL(devfreq_monitor_stop);
@@ -1653,7 +1673,7 @@ static ssize_t trans_stat_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct devfreq *df = to_devfreq(dev);
- ssize_t len;
+ ssize_t len = 0;
int i, j;
unsigned int max_state;

@@ -1662,7 +1682,7 @@ static ssize_t trans_stat_show(struct device *dev,
max_state = df->profile->max_state;

if (max_state == 0)
- return sprintf(buf, "Not Supported.\n");
+ return scnprintf(buf, PAGE_SIZE, "Not Supported.\n");

mutex_lock(&df->lock);
if (!df->stop_polling &&
@@ -1672,33 +1692,54 @@ static ssize_t trans_stat_show(struct device *dev,
}
mutex_unlock(&df->lock);

- len = sprintf(buf, " From : To\n");
- len += sprintf(buf + len, " :");
- for (i = 0; i < max_state; i++)
- len += sprintf(buf + len, "%10lu",
- df->profile->freq_table[i]);
+ len += scnprintf(buf + len, PAGE_SIZE - len, " From : To\n");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " :");
+ for (i = 0; i < max_state; i++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu",
+ df->profile->freq_table[i]);
+ }
+ if (len >= PAGE_SIZE - 1)
+ return PAGE_SIZE - 1;

- len += sprintf(buf + len, " time(ms)\n");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " time(ms)\n");

for (i = 0; i < max_state; i++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
if (df->profile->freq_table[i]
== df->previous_freq) {
- len += sprintf(buf + len, "*");
+ len += scnprintf(buf + len, PAGE_SIZE - len, "*");
} else {
- len += sprintf(buf + len, " ");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " ");
+ }
+ if (len >= PAGE_SIZE - 1)
+ break;
+
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu:",
+ df->profile->freq_table[i]);
+ for (j = 0; j < max_state; j++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10u",
+ df->stats.trans_table[(i * max_state) + j]);
}
- len += sprintf(buf + len, "%10lu:",
- df->profile->freq_table[i]);
- for (j = 0; j < max_state; j++)
- len += sprintf(buf + len, "%10u",
- df->stats.trans_table[(i * max_state) + j]);
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10llu\n", (u64)
+ jiffies64_to_msecs(df->stats.time_in_state[i]));
+ }
+
+ if (len < PAGE_SIZE - 1)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "Total transition : %u\n",
+ df->stats.total_trans);

- len += sprintf(buf + len, "%10llu\n", (u64)
- jiffies64_to_msecs(df->stats.time_in_state[i]));
+ if (len >= PAGE_SIZE - 1) {
+ pr_warn_once("devfreq transition table exceeds PAGE_SIZE. Disabling\n");
+ return -EFBIG;
}

- len += sprintf(buf + len, "Total transition : %u\n",
- df->stats.total_trans);
return len;
}

diff --git a/drivers/dma-buf/dma-fence-unwrap.c b/drivers/dma-buf/dma-fence-unwrap.c
new file mode 100644
index 000000000000..628af51c81af
--- /dev/null
+++ b/drivers/dma-buf/dma-fence-unwrap.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * dma-fence-util: misc functions for dma_fence objects
+ *
+ * Copyright (C) 2022 Advanced Micro Devices, Inc.
+ * Authors:
+ * Christian König <christian.koenig@amd.com>
+ */
+
+#include <linux/dma-fence.h>
+#include <linux/dma-fence-array.h>
+#include <linux/dma-fence-chain.h>
+#include <linux/dma-fence-unwrap.h>
+#include <linux/slab.h>
+
+/* Internal helper to start new array iteration, don't use directly */
+static struct dma_fence *
+__dma_fence_unwrap_array(struct dma_fence_unwrap *cursor)
+{
+ cursor->array = dma_fence_chain_contained(cursor->chain);
+ cursor->index = 0;
+ return dma_fence_array_first(cursor->array);
+}
+
+/**
+ * dma_fence_unwrap_first - return the first fence from fence containers
+ * @head: the entrypoint into the containers
+ * @cursor: current position inside the containers
+ *
+ * Unwraps potential dma_fence_chain/dma_fence_array containers and return the
+ * first fence.
+ */
+struct dma_fence *dma_fence_unwrap_first(struct dma_fence *head,
+ struct dma_fence_unwrap *cursor)
+{
+ cursor->chain = dma_fence_get(head);
+ return __dma_fence_unwrap_array(cursor);
+}
+EXPORT_SYMBOL_GPL(dma_fence_unwrap_first);
+
+/**
+ * dma_fence_unwrap_next - return the next fence from a fence containers
+ * @cursor: current position inside the containers
+ *
+ * Continue unwrapping the dma_fence_chain/dma_fence_array containers and return
+ * the next fence from them.
+ */
+struct dma_fence *dma_fence_unwrap_next(struct dma_fence_unwrap *cursor)
+{
+ struct dma_fence *tmp;
+
+ ++cursor->index;
+ tmp = dma_fence_array_next(cursor->array, cursor->index);
+ if (tmp)
+ return tmp;
+
+ cursor->chain = dma_fence_chain_walk(cursor->chain);
+ return __dma_fence_unwrap_array(cursor);
+}
+EXPORT_SYMBOL_GPL(dma_fence_unwrap_next);
+
+/* Implementation for the dma_fence_merge() marco, don't use directly */
+struct dma_fence *__dma_fence_unwrap_merge(unsigned int num_fences,
+ struct dma_fence **fences,
+ struct dma_fence_unwrap *iter)
+{
+ struct dma_fence_array *result;
+ struct dma_fence *tmp, **array;
+ ktime_t timestamp;
+ unsigned int i;
+ size_t count;
+
+ count = 0;
+ timestamp = ns_to_ktime(0);
+ for (i = 0; i < num_fences; ++i) {
+ dma_fence_unwrap_for_each(tmp, &iter[i], fences[i]) {
+ if (!dma_fence_is_signaled(tmp)) {
+ ++count;
+ } else {
+ ktime_t t = dma_fence_timestamp(tmp);
+
+ if (ktime_after(t, timestamp))
+ timestamp = t;
+ }
+ }
+ }
+
+ /*
+ * If we couldn't find a pending fence just return a private signaled
+ * fence with the timestamp of the last signaled one.
+ */
+ if (count == 0)
+ return dma_fence_allocate_private_stub(timestamp);
+
+ array = kmalloc_array(count, sizeof(*array), GFP_KERNEL);
+ if (!array)
+ return NULL;
+
+ /*
+ * This trashes the input fence array and uses it as position for the
+ * following merge loop. This works because the dma_fence_merge()
+ * wrapper macro is creating this temporary array on the stack together
+ * with the iterators.
+ */
+ for (i = 0; i < num_fences; ++i)
+ fences[i] = dma_fence_unwrap_first(fences[i], &iter[i]);
+
+ count = 0;
+ do {
+ unsigned int sel;
+
+restart:
+ tmp = NULL;
+ for (i = 0; i < num_fences; ++i) {
+ struct dma_fence *next;
+
+ while (fences[i] && dma_fence_is_signaled(fences[i]))
+ fences[i] = dma_fence_unwrap_next(&iter[i]);
+
+ next = fences[i];
+ if (!next)
+ continue;
+
+ /*
+ * We can't guarantee that inpute fences are ordered by
+ * context, but it is still quite likely when this
+ * function is used multiple times. So attempt to order
+ * the fences by context as we pass over them and merge
+ * fences with the same context.
+ */
+ if (!tmp || tmp->context > next->context) {
+ tmp = next;
+ sel = i;
+
+ } else if (tmp->context < next->context) {
+ continue;
+
+ } else if (dma_fence_is_later(tmp, next)) {
+ fences[i] = dma_fence_unwrap_next(&iter[i]);
+ goto restart;
+ } else {
+ fences[sel] = dma_fence_unwrap_next(&iter[sel]);
+ goto restart;
+ }
+ }
+
+ if (tmp) {
+ array[count++] = dma_fence_get(tmp);
+ fences[sel] = dma_fence_unwrap_next(&iter[sel]);
+ }
+ } while (tmp);
+
+ if (count == 0) {
+ tmp = dma_fence_allocate_private_stub(ktime_get());
+ goto return_tmp;
+ }
+
+ if (count == 1) {
+ tmp = array[0];
+ goto return_tmp;
+ }
+
+ result = dma_fence_array_create(count, array,
+ dma_fence_context_alloc(1),
+ 1, false);
+ if (!result) {
+ tmp = NULL;
+ goto return_tmp;
+ }
+ return &result->base;
+
+return_tmp:
+ kfree(array);
+ return tmp;
+}
+EXPORT_SYMBOL_GPL(__dma_fence_unwrap_merge);
diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
index 394e6e1e9686..875ae4b3b047 100644
--- a/drivers/dma-buf/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
@@ -384,13 +384,10 @@ static int sync_fill_fence_info(struct dma_fence *fence,
sizeof(info->driver_name));

info->status = dma_fence_get_status(fence);
- while (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) &&
- !test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags))
- cpu_relax();
info->timestamp_ns =
- test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags) ?
- ktime_to_ns(fence->timestamp) :
- ktime_set(0, 0);
+ dma_fence_is_signaled(fence) ?
+ ktime_to_ns(dma_fence_timestamp(fence)) :
+ ktime_set(0, 0);

return info->status;
}
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 4ec7bb58c195..9559ebd61f3b 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1108,6 +1108,9 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_register);
static void __dma_async_device_channel_unregister(struct dma_device *device,
struct dma_chan *chan)
{
+ if (chan->local == NULL)
+ return;
+
WARN_ONCE(!device->device_release && chan->client_count,
"%s called while %d clients hold a reference\n",
__func__, chan->client_count);
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
index 8dd40d00a672..6b829d347417 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
+++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
@@ -38,15 +38,17 @@ static int dpaa2_qdma_alloc_chan_resources(struct dma_chan *chan)
if (!dpaa2_chan->fd_pool)
goto err;

- dpaa2_chan->fl_pool = dma_pool_create("fl_pool", dev,
- sizeof(struct dpaa2_fl_entry),
- sizeof(struct dpaa2_fl_entry), 0);
+ dpaa2_chan->fl_pool =
+ dma_pool_create("fl_pool", dev,
+ sizeof(struct dpaa2_fl_entry) * 3,
+ sizeof(struct dpaa2_fl_entry), 0);
+
if (!dpaa2_chan->fl_pool)
goto err_fd;

dpaa2_chan->sdd_pool =
dma_pool_create("sdd_pool", dev,
- sizeof(struct dpaa2_qdma_sd_d),
+ sizeof(struct dpaa2_qdma_sd_d) * 2,
sizeof(struct dpaa2_qdma_sd_d), 0);
if (!dpaa2_chan->sdd_pool)
goto err_fl;
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index 045ead46ec8f..69385f32e275 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -514,11 +514,11 @@ static struct fsl_qdma_queue
queue_temp = queue_head + i + (j * queue_num);

queue_temp->cq =
- dma_alloc_coherent(&pdev->dev,
- sizeof(struct fsl_qdma_format) *
- queue_size[i],
- &queue_temp->bus_addr,
- GFP_KERNEL);
+ dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct fsl_qdma_format) *
+ queue_size[i],
+ &queue_temp->bus_addr,
+ GFP_KERNEL);
if (!queue_temp->cq)
return NULL;
queue_temp->block_base = fsl_qdma->block_base +
@@ -563,11 +563,11 @@ static struct fsl_qdma_queue
/*
* Buffer for queue command
*/
- status_head->cq = dma_alloc_coherent(&pdev->dev,
- sizeof(struct fsl_qdma_format) *
- status_size,
- &status_head->bus_addr,
- GFP_KERNEL);
+ status_head->cq = dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct fsl_qdma_format) *
+ status_size,
+ &status_head->bus_addr,
+ GFP_KERNEL);
if (!status_head->cq) {
devm_kfree(&pdev->dev, status_head);
return NULL;
@@ -1272,8 +1272,6 @@ static void fsl_qdma_cleanup_vchan(struct dma_device *dmadev)

static int fsl_qdma_remove(struct platform_device *pdev)
{
- int i;
- struct fsl_qdma_queue *status;
struct device_node *np = pdev->dev.of_node;
struct fsl_qdma_engine *fsl_qdma = platform_get_drvdata(pdev);

@@ -1282,11 +1280,6 @@ static int fsl_qdma_remove(struct platform_device *pdev)
of_dma_controller_free(np);
dma_async_device_unregister(&fsl_qdma->dma_dev);

- for (i = 0; i < fsl_qdma->block_number; i++) {
- status = fsl_qdma->status[i];
- dma_free_coherent(&pdev->dev, sizeof(struct fsl_qdma_format) *
- status->n_cq, status->cq, status->bus_addr);
- }
return 0;
}

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index d796e50dfe99..698fb898847c 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -3957,6 +3957,7 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
{
struct udma_chan *uc = to_udma_chan(&vc->chan);
struct udma_desc *d;
+ u8 status;

if (!vd)
return;
@@ -3966,12 +3967,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
if (d->metadata_size)
udma_fetch_epib(uc, d);

- /* Provide residue information for the client */
if (result) {
void *desc_vaddr = udma_curr_cppi5_desc_vaddr(d, d->desc_idx);

if (cppi5_desc_get_type(desc_vaddr) ==
CPPI5_INFO0_DESC_TYPE_VAL_HOST) {
+ /* Provide residue information for the client */
result->residue = d->residue -
cppi5_hdesc_get_pktlen(desc_vaddr);
if (result->residue)
@@ -3980,7 +3981,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
result->result = DMA_TRANS_NOERROR;
} else {
result->residue = 0;
- result->result = DMA_TRANS_NOERROR;
+ /* Propagate TR Response errors to the client */
+ status = d->hwdesc[0].tr_resp_base->status;
+ if (status)
+ result->result = DMA_TRANS_ABORTED;
+ else
+ result->result = DMA_TRANS_NOERROR;
}
}
}
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index e820c36718ff..8a285293f1c2 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -100,10 +100,9 @@ static int textual_leaf_to_string(const u32 *block, char *buf, size_t size)
* @buf: where to put the string
* @size: size of @buf, in bytes
*
- * The string is taken from a minimal ASCII text descriptor leaf after
- * the immediate entry with @key. The string is zero-terminated.
- * An overlong string is silently truncated such that it and the
- * zero byte fit into @size.
+ * The string is taken from a minimal ASCII text descriptor leaf just after the entry with the
+ * @key. The string is zero-terminated. An overlong string is silently truncated such that it
+ * and the zero byte fit into @size.
*
* Returns strlen(buf) or a negative error code.
*/
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index b9f5829c0c4d..e52b502b665a 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -439,6 +439,7 @@ void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem,
void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem);
bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
struct scmi_xfer *xfer);
+bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem);

/* declarations for message passing transports */
struct scmi_msg_payld;
diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c
index d1400de17eca..327b8c9348e4 100644
--- a/drivers/firmware/arm_scmi/mailbox.c
+++ b/drivers/firmware/arm_scmi/mailbox.c
@@ -43,6 +43,20 @@ static void rx_callback(struct mbox_client *cl, void *m)
{
struct scmi_mailbox *smbox = client_to_scmi_mailbox(cl);

+ /*
+ * An A2P IRQ is NOT valid when received while the platform still has
+ * the ownership of the channel, because the platform at first releases
+ * the SMT channel and then sends the completion interrupt.
+ *
+ * This addresses a possible race condition in which a spurious IRQ from
+ * a previous timed-out reply which arrived late could be wrongly
+ * associated with the next pending transaction.
+ */
+ if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) {
+ dev_warn(smbox->cinfo->dev, "Ignoring spurious A2P IRQ !\n");
+ return;
+ }
+
scmi_rx_callback(smbox->cinfo, shmem_read_header(smbox->shmem), NULL);
}

diff --git a/drivers/firmware/arm_scmi/shmem.c b/drivers/firmware/arm_scmi/shmem.c
index 56a1f61aa3ff..47122b67f2b3 100644
--- a/drivers/firmware/arm_scmi/shmem.c
+++ b/drivers/firmware/arm_scmi/shmem.c
@@ -99,3 +99,9 @@ bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
(SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR |
SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE);
}
+
+bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem)
+{
+ return (ioread32(&shmem->channel_status) &
+ SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE);
+}
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index 865ab2b34fdd..3dfb8b6c6c71 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -318,20 +318,27 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
switch (flow_type) {
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IEV, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IC, 1);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IEV, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IC, 1);
break;
case IRQ_TYPE_EDGE_RISING:
case IRQ_TYPE_EDGE_FALLING:
case IRQ_TYPE_EDGE_BOTH:
state = sprd_eic_get(chip, offset);
- if (state)
+ if (state) {
sprd_eic_update(chip, offset,
SPRD_EIC_DBNC_IEV, 0);
- else
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_DBNC_IC, 1);
+ } else {
sprd_eic_update(chip, offset,
SPRD_EIC_DBNC_IEV, 1);
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_DBNC_IC, 1);
+ }
break;
default:
return -ENOTSUPP;
@@ -343,20 +350,27 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
switch (flow_type) {
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTCLR, 1);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTCLR, 1);
break;
case IRQ_TYPE_EDGE_RISING:
case IRQ_TYPE_EDGE_FALLING:
case IRQ_TYPE_EDGE_BOTH:
state = sprd_eic_get(chip, offset);
- if (state)
+ if (state) {
sprd_eic_update(chip, offset,
SPRD_EIC_LATCH_INTPOL, 0);
- else
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_LATCH_INTCLR, 1);
+ } else {
sprd_eic_update(chip, offset,
SPRD_EIC_LATCH_INTPOL, 1);
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_LATCH_INTCLR, 1);
+ }
break;
default:
return -ENOTSUPP;
@@ -370,29 +384,34 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
default:
@@ -405,29 +424,34 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
default:
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 53be0bdf2bc3..27e3fb993804 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1572,6 +1572,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = {
.ignore_wake = "INT33FF:01@0",
},
},
+ {
+ /*
+ * Spurious wakeups from TP_ATTN# pin
+ * Found in BIOS 0.35
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/3073
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GPD"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "G1619-04"),
+ },
+ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+ .ignore_wake = "PNP0C50:00@8",
+ },
+ },
{} /* Terminating entry */
};

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
index 1d0dbff87d3f..fb66e888ab3f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
@@ -90,7 +90,7 @@ struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
return NULL;

fence = container_of(f, struct amdgpu_amdkfd_fence, base);
- if (fence && f->ops == &amdkfd_fence_ops)
+ if (f->ops == &amdkfd_fence_ops)
return fence;

return NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 19e32f38a4c4..5f6c32ec674d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1292,6 +1292,7 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev)
return true;

fw_ver = *((uint32_t *)adev->pm.fw->data + 69);
+ release_firmware(adev->pm.fw);
if (fw_ver < 0x00160e00)
return true;
}
@@ -4088,7 +4089,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_fbdev_set_suspend(adev, 1);

cancel_delayed_work_sync(&adev->delayed_init_work);
- flush_delayed_work(&adev->gfx.gfx_off_delay_work);

amdgpu_ras_suspend(adev);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 252712f930f4..5e32906f9819 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -579,8 +579,15 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)

if (adev->gfx.gfx_off_req_count == 0 &&
!adev->gfx.gfx_off_state) {
- schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
+ /* If going to s2idle, no need to wait */
+ if (adev->in_s0ix) {
+ if (!amdgpu_dpm_set_powergating_by_smu(adev,
+ AMD_IP_BLOCK_TYPE_GFX, true))
+ adev->gfx.gfx_off_state = true;
+ } else {
+ schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
delay);
+ }
}
} else {
if (adev->gfx.gfx_off_req_count == 0) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 8a0b652da4f4..5d95594a1753 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1236,19 +1236,15 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
* amdgpu_bo_move_notify - notification about a memory move
* @bo: pointer to a buffer object
* @evict: if this move is evicting the buffer from the graphics address space
- * @new_mem: new information of the bufer object
*
* Marks the corresponding &amdgpu_bo buffer object as invalid, also performs
* bookkeeping.
* TTM driver callback which is called when ttm moves a buffer.
*/
-void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
- bool evict,
- struct ttm_resource *new_mem)
+void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
struct amdgpu_bo *abo;
- struct ttm_resource *old_mem = bo->resource;

if (!amdgpu_bo_is_amdgpu_bo(bo))
return;
@@ -1265,13 +1261,6 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
/* remember the eviction */
if (evict)
atomic64_inc(&adev->num_evictions);
-
- /* update statistics */
- if (!new_mem)
- return;
-
- /* move_notify is called before move happens */
- trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type);
}

void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index dc5b889828d9..0969669f1d4e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -313,9 +313,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
size_t buffer_size, uint32_t *metadata_size,
uint64_t *flags);
-void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
- bool evict,
- struct ttm_resource *new_mem);
+void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict);
void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 862eb3c1c4c5..494466893486 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -208,7 +208,8 @@ static bool amdgpu_sync_test_fence(struct amdgpu_device *adev,

/* Never sync to VM updates either. */
if (fence_owner == AMDGPU_FENCE_OWNER_VM &&
- owner != AMDGPU_FENCE_OWNER_UNDEFINED)
+ owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
+ owner != AMDGPU_FENCE_OWNER_KFD)
return false;

/* Ignore fences depending on the sync mode */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 51c76d6322c9..b06fb1fa411b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -554,10 +554,11 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
return r;
}

+ trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type);
out:
/* update statistics */
atomic64_add(bo->base.size, &adev->num_bytes_moved);
- amdgpu_bo_move_notify(bo, evict, new_mem);
+ amdgpu_bo_move_notify(bo, evict);
return 0;
}

@@ -1480,7 +1481,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo,
static void
amdgpu_bo_delete_mem_notify(struct ttm_buffer_object *bo)
{
- amdgpu_bo_move_notify(bo, false, NULL);
+ amdgpu_bo_move_notify(bo, false);
}

static struct ttm_device_funcs amdgpu_bo_driver = {
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 2cbe8ea16f24..7f55decc5f37 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -347,14 +347,9 @@ static void svm_range_bo_release(struct kref *kref)
spin_lock(&svm_bo->list_lock);
}
spin_unlock(&svm_bo->list_lock);
- if (!dma_fence_is_signaled(&svm_bo->eviction_fence->base)) {
- /* We're not in the eviction worker.
- * Signal the fence and synchronize with any
- * pending eviction work.
- */
+ if (!dma_fence_is_signaled(&svm_bo->eviction_fence->base))
+ /* We're not in the eviction worker. Signal the fence. */
dma_fence_signal(&svm_bo->eviction_fence->base);
- cancel_work_sync(&svm_bo->eviction_work);
- }
dma_fence_put(&svm_bo->eviction_fence->base);
amdgpu_bo_unref(&svm_bo->bo);
kfree(svm_bo);
@@ -2330,6 +2325,7 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr,
{
struct vm_area_struct *vma;
struct interval_tree_node *node;
+ struct rb_node *rb_node;
unsigned long start_limit, end_limit;

vma = find_vma(p->mm, addr << PAGE_SHIFT);
@@ -2346,16 +2342,15 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr,
if (node) {
end_limit = min(end_limit, node->start);
/* Last range that ends before the fault address */
- node = container_of(rb_prev(&node->rb),
- struct interval_tree_node, rb);
+ rb_node = rb_prev(&node->rb);
} else {
/* Last range must end before addr because
* there was no range after addr
*/
- node = container_of(rb_last(&p->svms.objects.rb_root),
- struct interval_tree_node, rb);
+ rb_node = rb_last(&p->svms.objects.rb_root);
}
- if (node) {
+ if (rb_node) {
+ node = container_of(rb_node, struct interval_tree_node, rb);
if (node->last >= addr) {
WARN(1, "Overlap with prev node and page fault addr\n");
return -EFAULT;
@@ -2872,13 +2867,14 @@ svm_range_trigger_migration(struct mm_struct *mm, struct svm_range *prange,

int svm_range_schedule_evict_svm_bo(struct amdgpu_amdkfd_fence *fence)
{
- if (!fence)
- return -EINVAL;
-
- if (dma_fence_is_signaled(&fence->base))
- return 0;
-
- if (fence->svm_bo) {
+ /* Dereferencing fence->svm_bo is safe here because the fence hasn't
+ * signaled yet and we're under the protection of the fence->lock.
+ * After the fence is signaled in svm_range_bo_release, we cannot get
+ * here any more.
+ *
+ * Reference is dropped in svm_range_evict_svm_bo_worker.
+ */
+ if (svm_bo_ref_unless_zero(fence->svm_bo)) {
WRITE_ONCE(fence->svm_bo->evicting, 1);
schedule_work(&fence->svm_bo->eviction_work);
}
@@ -2893,8 +2889,6 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work)
struct mm_struct *mm;

svm_bo = container_of(work, struct svm_range_bo, eviction_work);
- if (!svm_bo_ref_unless_zero(svm_bo))
- return; /* svm_bo was freed while eviction was pending */

/* svm_range_bo_release destroys this worker thread. So during
* the lifetime of this thread, kfd_process and mm will be valid.
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 3919e75fec16..ef151a1bc31c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1680,6 +1680,10 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
wait_for_no_pipes_pending(dc, context);
/* pplib is notified if disp_num changed */
dc->hwss.optimize_bandwidth(dc, context);
+ /* Need to do otg sync again as otg could be out of sync due to otg
+ * workaround applied during clock update
+ */
+ dc_trigger_sync(dc, context);
}

if (dc->ctx->dce_version >= DCE_VERSION_MAX)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index 735c92a5aa36..e8d4a8044d1f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -1164,8 +1164,12 @@ struct stream_encoder *dcn30_stream_encoder_create(
vpg = dcn30_vpg_create(ctx, vpg_inst);
afmt = dcn30_afmt_create(ctx, afmt_inst);

- if (!enc1 || !vpg || !afmt)
+ if (!enc1 || !vpg || !afmt) {
+ kfree(enc1);
+ kfree(vpg);
+ kfree(afmt);
return NULL;
+ }

dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
eng_id, vpg, afmt,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index dea358b01791..a24f1c215da9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1195,8 +1195,12 @@ struct stream_encoder *dcn301_stream_encoder_create(
vpg = dcn301_vpg_create(ctx, vpg_inst);
afmt = dcn301_afmt_create(ctx, afmt_inst);

- if (!enc1 || !vpg || !afmt)
+ if (!enc1 || !vpg || !afmt || eng_id >= ARRAY_SIZE(stream_enc_regs)) {
+ kfree(enc1);
+ kfree(vpg);
+ kfree(afmt);
return NULL;
+ }

dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
eng_id, vpg, afmt,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
index 2292bb82026e..7f04042d2213 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -542,8 +542,12 @@ static struct stream_encoder *dcn302_stream_encoder_create(enum engine_id eng_id
vpg = dcn302_vpg_create(ctx, vpg_inst);
afmt = dcn302_afmt_create(ctx, afmt_inst);

- if (!enc1 || !vpg || !afmt)
+ if (!enc1 || !vpg || !afmt) {
+ kfree(enc1);
+ kfree(vpg);
+ kfree(afmt);
return NULL;
+ }

dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id, vpg, afmt, &stream_enc_regs[eng_id],
&se_shift, &se_mask);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index e224c5213258..4f7bc8829b20 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -1291,8 +1291,12 @@ static struct stream_encoder *dcn31_stream_encoder_create(
vpg = dcn31_vpg_create(ctx, vpg_inst);
afmt = dcn31_afmt_create(ctx, afmt_inst);

- if (!enc1 || !vpg || !afmt)
+ if (!enc1 || !vpg || !afmt) {
+ kfree(enc1);
+ kfree(vpg);
+ kfree(afmt);
return NULL;
+ }

dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
eng_id, vpg, afmt,
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
index f2a55c1413f5..17882f8dfdd3 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
@@ -200,7 +200,7 @@ static int get_platform_power_management_table(
struct pp_hwmgr *hwmgr,
ATOM_Tonga_PPM_Table *atom_ppm_table)
{
- struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
+ struct phm_ppm_table *ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
struct phm_ppt_v1_information *pp_table_information =
(struct phm_ppt_v1_information *)(hwmgr->pptable);

diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
index e941c1132598..eebb2dece768 100644
--- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
+++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
@@ -54,13 +54,13 @@ static int ptn3460_read_bytes(struct ptn3460_bridge *ptn_bridge, char addr,
int ret;

ret = i2c_master_send(ptn_bridge->client, &addr, 1);
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
return ret;
}

ret = i2c_master_recv(ptn_bridge->client, buf, len);
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
return ret;
}
@@ -78,7 +78,7 @@ static int ptn3460_write_byte(struct ptn3460_bridge *ptn_bridge, char addr,
buf[1] = val;

ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
return ret;
}
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 3d9c0444df40..82960d5d4e73 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -683,22 +683,21 @@ static void drm_fb_helper_damage(struct fb_info *info, u32 x, u32 y,
/**
* drm_fb_helper_deferred_io() - fbdev deferred_io callback function
* @info: fb_info struct pointer
- * @pagelist: list of mmap framebuffer pages that have to be flushed
+ * @pagereflist: list of mmap framebuffer pages that have to be flushed
*
* This function is used as the &fb_deferred_io.deferred_io
* callback function for flushing the fbdev mmap writes.
*/
-void drm_fb_helper_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
unsigned long start, end, min, max;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
u32 y1, y2;

min = ULONG_MAX;
max = 0;
- list_for_each_entry(page, pagelist, lru) {
- start = page->index << PAGE_SHIFT;
+ list_for_each_entry(pageref, pagereflist, list) {
+ start = pageref->offset;
end = start + PAGE_SIZE - 1;
min = min(min, start);
max = max(max, end);
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index ed25168619fc..5062f13808f2 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -411,7 +411,7 @@ int drm_open(struct inode *inode, struct file *filp)
{
struct drm_device *dev;
struct drm_minor *minor;
- int retcode;
+ int retcode = 0;
int need_setup = 0;

minor = drm_minor_acquire(iminor(inode));
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 07f5abc875e9..4fd018c8235c 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -570,7 +570,7 @@ int drm_mode_getfb2_ioctl(struct drm_device *dev,
struct drm_mode_fb_cmd2 *r = data;
struct drm_framebuffer *fb;
unsigned int i;
- int ret;
+ int ret = 0;

if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index d98b08c65db9..5d30ba3af456 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -346,7 +346,8 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);

- mipi_dsi_detach(dsi);
+ if (dsi->attached)
+ mipi_dsi_detach(dsi);
mipi_dsi_device_unregister(dsi);

return 0;
@@ -369,11 +370,18 @@ EXPORT_SYMBOL(mipi_dsi_host_unregister);
int mipi_dsi_attach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
+ int ret;

if (!ops || !ops->attach)
return -ENOSYS;

- return ops->attach(dsi->host, dsi);
+ ret = ops->attach(dsi->host, dsi);
+ if (ret)
+ return ret;
+
+ dsi->attached = true;
+
+ return 0;
}
EXPORT_SYMBOL(mipi_dsi_attach);

@@ -385,9 +393,14 @@ int mipi_dsi_detach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;

+ if (WARN_ON(!dsi->attached))
+ return -EINVAL;
+
if (!ops || !ops->detach)
return -ENOSYS;

+ dsi->attached = false;
+
return ops->detach(dsi->host, dsi);
}
EXPORT_SYMBOL(mipi_dsi_detach);
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index fd0bf90fb4c2..ce76d03e2d16 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1378,6 +1378,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
out:
if (fb)
drm_framebuffer_put(fb);
+ fb = NULL;
if (plane->old_fb)
drm_framebuffer_put(plane->old_fb);
plane->old_fb = NULL;
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index a350310b65d8..57f8570ca3ec 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -825,7 +825,7 @@ struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
if (max_segment == 0)
max_segment = UINT_MAX;
err = sg_alloc_table_from_pages_segment(sg, pages, nr_pages, 0,
- nr_pages << PAGE_SHIFT,
+ (unsigned long)nr_pages << PAGE_SHIFT,
max_segment, GFP_KERNEL);
if (err) {
kfree(sg);
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index b5001db7a95c..2f6a5995b53f 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -317,9 +317,9 @@ static void decon_win_set_bldmod(struct decon_context *ctx, unsigned int win,
static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
struct drm_framebuffer *fb)
{
- struct exynos_drm_plane plane = ctx->planes[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
struct exynos_drm_plane_state *state =
- to_exynos_plane_state(plane.base.state);
+ to_exynos_plane_state(plane->base.state);
unsigned int alpha = state->base.alpha;
unsigned int pixel_alpha;
unsigned long val;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index d8f1cf4d6b69..2a7f96237f95 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -324,6 +324,7 @@ static int exynos_drm_bind(struct device *dev)
drm_mode_config_cleanup(drm);
exynos_drm_cleanup_dma(drm);
kfree(private);
+ dev_set_drvdata(dev, NULL);
err_free_drm:
drm_dev_put(drm);

@@ -338,6 +339,7 @@ static void exynos_drm_unbind(struct device *dev)

exynos_drm_fbdev_fini(drm);
drm_kms_helper_poll_fini(drm);
+ drm_atomic_helper_shutdown(drm);

component_unbind_all(drm->dev, drm);
drm_mode_config_cleanup(drm);
@@ -375,9 +377,18 @@ static int exynos_drm_platform_remove(struct platform_device *pdev)
return 0;
}

+static void exynos_drm_platform_shutdown(struct platform_device *pdev)
+{
+ struct drm_device *drm = platform_get_drvdata(pdev);
+
+ if (drm)
+ drm_atomic_helper_shutdown(drm);
+}
+
static struct platform_driver exynos_drm_platform_driver = {
.probe = exynos_drm_platform_probe,
.remove = exynos_drm_platform_remove,
+ .shutdown = exynos_drm_platform_shutdown,
.driver = {
.name = "exynos-drm",
.pm = &exynos_drm_pm_ops,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index c735e53939d8..f25e112a92ed 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -644,9 +644,9 @@ static void fimd_win_set_bldmod(struct fimd_context *ctx, unsigned int win,
static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
struct drm_framebuffer *fb, int width)
{
- struct exynos_drm_plane plane = ctx->planes[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
struct exynos_drm_plane_state *state =
- to_exynos_plane_state(plane.base.state);
+ to_exynos_plane_state(plane->base.state);
uint32_t pixel_format = fb->format->format;
unsigned int alpha = state->base.alpha;
u32 val = WINCONx_ENWIN;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 166a80262896..8c090354fd8a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1346,7 +1346,7 @@ static int __maybe_unused gsc_runtime_resume(struct device *dev)
for (i = 0; i < ctx->num_clocks; i++) {
ret = clk_prepare_enable(ctx->clocks[i]);
if (ret) {
- while (--i > 0)
+ while (--i >= 0)
clk_disable_unprepare(ctx->clocks[i]);
return ret;
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 03bddd904d1a..3d5e3b77bbbe 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -46,6 +46,9 @@
(p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \
##__VA_ARGS__)

+#define DPU_ERROR_ENC_RATELIMITED(e, fmt, ...) DPU_ERROR_RATELIMITED("enc%d " fmt,\
+ (e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
+
/*
* Two to anticipate panels that can do cmd/vid dynamic switching
* plan is to create all possible physical encoder types, and switch between
@@ -2126,7 +2129,7 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
return;
}

- DPU_ERROR_ENC(dpu_enc, "frame done timeout\n");
+ DPU_ERROR_ENC_RATELIMITED(dpu_enc, "frame done timeout\n");

event = DPU_ENCODER_FRAME_EVENT_ERROR;
trace_dpu_enc_frame_done_timeout(DRMID(drm_enc), event);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 323a6bce9e64..170b3e9dd4b0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -52,6 +52,7 @@
} while (0)

#define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__)
+#define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__)

/**
* ktime_compare_safe - compare two ktime structures
diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index d4d31e5bda07..0b4539be0685 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -7,6 +7,7 @@

#include <drm/drm_print.h>

+#include "dp_reg.h"
#include "dp_link.h"
#include "dp_panel.h"

@@ -1064,7 +1065,7 @@ int dp_link_process_request(struct dp_link *dp_link)

int dp_link_get_colorimetry_config(struct dp_link *dp_link)
{
- u32 cc;
+ u32 cc = DP_MISC0_COLORIMERY_CFG_LEGACY_RGB;
struct dp_link_private *link;

if (!dp_link) {
@@ -1078,10 +1079,11 @@ int dp_link_get_colorimetry_config(struct dp_link *dp_link)
* Unless a video pattern CTS test is ongoing, use RGB_VESA
* Only RGB_VESA and RGB_CEA supported for now
*/
- if (dp_link_is_video_pattern_requested(link))
- cc = link->dp_link.test_video.test_dyn_range;
- else
- cc = DP_TEST_DYNAMIC_RANGE_VESA;
+ if (dp_link_is_video_pattern_requested(link)) {
+ if (link->dp_link.test_video.test_dyn_range &
+ DP_TEST_DYNAMIC_RANGE_CEA)
+ cc = DP_MISC0_COLORIMERY_CFG_CEA_RGB;
+ }

return cc;
}
diff --git a/drivers/gpu/drm/msm/dp/dp_reg.h b/drivers/gpu/drm/msm/dp/dp_reg.h
index 268602803d9a..176a503ece9c 100644
--- a/drivers/gpu/drm/msm/dp/dp_reg.h
+++ b/drivers/gpu/drm/msm/dp/dp_reg.h
@@ -129,6 +129,9 @@
#define DP_MISC0_COLORIMETRY_CFG_SHIFT (0x00000001)
#define DP_MISC0_TEST_BITS_DEPTH_SHIFT (0x00000005)

+#define DP_MISC0_COLORIMERY_CFG_LEGACY_RGB (0)
+#define DP_MISC0_COLORIMERY_CFG_CEA_RGB (0x04)
+
#define REG_DP_VALID_BOUNDARY (0x00000030)
#define REG_DP_VALID_BOUNDARY_2 (0x00000034)

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 4b5b0a4b051b..6b9a9e56df37 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -752,6 +752,10 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
goto fail;
}

+ ret = devm_pm_runtime_enable(&pdev->dev);
+ if (ret)
+ return ret;
+
/* PLL init will call into clk_register which requires
* register access, so we need to enable power and ahb clock.
*/
diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c
index 67d6619fcd5e..29b5dedf6db8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vmm.c
@@ -108,6 +108,9 @@ nouveau_vma_new(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm,
} else {
ret = nvif_vmm_get(&vmm->vmm, PTES, false, mem->mem.page, 0,
mem->mem.size, &tmp);
+ if (ret)
+ goto done;
+
vma->addr = tmp.addr;
}

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index d9f1675c348e..671bd1d1ad19 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -4173,6 +4173,7 @@ static const struct panel_desc tianma_tm070jdhg30 = {
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
.connector_type = DRM_MODE_CONNECTOR_LVDS,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH,
};

static const struct panel_desc tianma_tm070jvhg33 = {
@@ -4185,6 +4186,7 @@ static const struct panel_desc tianma_tm070jvhg33 = {
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
.connector_type = DRM_MODE_CONNECTOR_LVDS,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH,
};

static const struct display_timing tianma_tm070rvhg71_timing = {
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 67382621b429..e827e8a83c4e 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -698,8 +698,7 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
typeof(*next), list);
if (next)
next->s_fence->scheduled.timestamp =
- job->s_fence->finished.timestamp;
-
+ dma_fence_timestamp(&job->s_fence->finished);
} else {
job = NULL;
/* queue timeout for next job */
diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
index 2218da3b3ca3..812be02c16ef 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -172,13 +172,13 @@ static void tidss_crtc_atomic_flush(struct drm_crtc *crtc,
struct tidss_device *tidss = to_tidss(ddev);
unsigned long flags;

- dev_dbg(ddev->dev,
- "%s: %s enabled %d, needs modeset %d, event %p\n", __func__,
- crtc->name, drm_atomic_crtc_needs_modeset(crtc->state),
- crtc->state->enable, crtc->state->event);
+ dev_dbg(ddev->dev, "%s: %s is %sactive, %s modeset, event %p\n",
+ __func__, crtc->name, crtc->state->active ? "" : "not ",
+ drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need",
+ crtc->state->event);

/* There is nothing to do if CRTC is not going to be enabled. */
- if (!crtc->state->enable)
+ if (!crtc->state->active)
return;

/*
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index f18ed03a8b2d..79b08e927f76 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -316,18 +316,18 @@ static int vmw_fb_pan_display(struct fb_var_screeninfo *var,
return 0;
}

-static void vmw_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void vmw_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
struct vmw_fb_par *par = info->par;
unsigned long start, end, min, max;
unsigned long flags;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
int y1, y2;

min = ULONG_MAX;
max = 0;
- list_for_each_entry(page, pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *page = pageref->page;
start = page->index << PAGE_SHIFT;
end = start + PAGE_SIZE - 1;
min = min(min, start);
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index b683c0e8557d..b84ba8e4c79b 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -70,6 +70,28 @@ struct apple_key_translation {
u8 flags;
};

+static const struct apple_key_translation apple2021_fn_keys[] = {
+ { KEY_BACKSPACE, KEY_DELETE },
+ { KEY_ENTER, KEY_INSERT },
+ { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
+ { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
+ { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
+ { KEY_F4, KEY_SEARCH, APPLE_FLAG_FKEY },
+ { KEY_F5, KEY_MICMUTE, APPLE_FLAG_FKEY },
+ { KEY_F6, KEY_SLEEP, APPLE_FLAG_FKEY },
+ { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
+ { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
+ { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
+ { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
+ { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
+ { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
+ { KEY_UP, KEY_PAGEUP },
+ { KEY_DOWN, KEY_PAGEDOWN },
+ { KEY_LEFT, KEY_HOME },
+ { KEY_RIGHT, KEY_END },
+ { }
+};
+
static const struct apple_key_translation macbookair_fn_keys[] = {
{ KEY_BACKSPACE, KEY_DELETE },
{ KEY_ENTER, KEY_INSERT },
@@ -214,7 +236,9 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
}

if (fnmode) {
- if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
+ if (hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021)
+ table = apple2021_fn_keys;
+ else if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
table = macbookair_fn_keys;
else if (hid->product < 0x21d || hid->product >= 0x300)
@@ -377,6 +401,9 @@ static void apple_setup_input(struct input_dev *input)
for (trans = apple_iso_keyboard; trans->from; trans++)
set_bit(trans->to, input->keybit);

+ for (trans = apple2021_fn_keys; trans->from; trans++)
+ set_bit(trans->to, input->keybit);
+
if (swap_fn_leftctrl) {
for (trans = swapped_fn_leftctrl_keys; trans->from; trans++)
set_bit(trans->to, input->keybit);
@@ -640,6 +667,10 @@ static const struct hid_device_id apple_devices[] = {
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
+ .driver_data = APPLE_HAS_FN },
+ { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
+ .driver_data = APPLE_HAS_FN },

{ }
};
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 06c53c817a02..7b1fdfde5b40 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -174,6 +174,7 @@
#define USB_DEVICE_ID_APPLE_IRCONTROL3 0x8241
#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242
#define USB_DEVICE_ID_APPLE_IRCONTROL5 0x8243
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021 0x029c

#define USB_VENDOR_ID_ASUS 0x0486
#define USB_DEVICE_ID_ASUS_T91MT 0x0185
diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index 33c102a60992..8a0d1365cd72 100644
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -432,7 +432,7 @@ static const struct fb_ops picolcdfb_ops = {

/* Callback from deferred IO workqueue */
-static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist)
+static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
picolcd_fb_update(info);
}
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index fbce6e892fc8..80e4247a768b 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -309,6 +309,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021) },
#endif
#if IS_ENABLED(CONFIG_HID_APPLEIR)
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
diff --git a/drivers/hid/i2c-hid/i2c-hid-of.c b/drivers/hid/i2c-hid/i2c-hid-of.c
index 97a27a803f58..6feb812fce37 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of.c
@@ -80,6 +80,7 @@ static int i2c_hid_of_probe(struct i2c_client *client,
if (!ihid_of)
return -ENOMEM;

+ ihid_of->client = client;
ihid_of->ops.power_up = i2c_hid_of_power_up;
ihid_of->ops.power_down = i2c_hid_of_power_down;

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 76561f538eda..9270082ea02e 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -2088,7 +2088,7 @@ static int wacom_allocate_inputs(struct wacom *wacom)
return 0;
}

-static int wacom_register_inputs(struct wacom *wacom)
+static int wacom_setup_inputs(struct wacom *wacom)
{
struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
@@ -2107,10 +2107,6 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(pen_input_dev);
wacom_wac->pen_input = NULL;
pen_input_dev = NULL;
- } else {
- error = input_register_device(pen_input_dev);
- if (error)
- goto fail;
}

error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac);
@@ -2119,10 +2115,6 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(touch_input_dev);
wacom_wac->touch_input = NULL;
touch_input_dev = NULL;
- } else {
- error = input_register_device(touch_input_dev);
- if (error)
- goto fail;
}

error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
@@ -2131,7 +2123,34 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(pad_input_dev);
wacom_wac->pad_input = NULL;
pad_input_dev = NULL;
- } else {
+ }
+
+ return 0;
+}
+
+static int wacom_register_inputs(struct wacom *wacom)
+{
+ struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
+ struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
+ int error = 0;
+
+ pen_input_dev = wacom_wac->pen_input;
+ touch_input_dev = wacom_wac->touch_input;
+ pad_input_dev = wacom_wac->pad_input;
+
+ if (pen_input_dev) {
+ error = input_register_device(pen_input_dev);
+ if (error)
+ goto fail;
+ }
+
+ if (touch_input_dev) {
+ error = input_register_device(touch_input_dev);
+ if (error)
+ goto fail;
+ }
+
+ if (pad_input_dev) {
error = input_register_device(pad_input_dev);
if (error)
goto fail;
@@ -2387,6 +2406,20 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless)
goto fail;
}

+ error = wacom_setup_inputs(wacom);
+ if (error)
+ goto fail;
+
+ if (features->type == HID_GENERIC)
+ connect_mask |= HID_CONNECT_DRIVER;
+
+ /* Regular HID work starts now */
+ error = hid_hw_start(hdev, connect_mask);
+ if (error) {
+ hid_err(hdev, "hw start failed\n");
+ goto fail;
+ }
+
error = wacom_register_inputs(wacom);
if (error)
goto fail;
@@ -2401,16 +2434,6 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless)
goto fail;
}

- if (features->type == HID_GENERIC)
- connect_mask |= HID_CONNECT_DRIVER;
-
- /* Regular HID work starts now */
- error = hid_hw_start(hdev, connect_mask);
- if (error) {
- hid_err(hdev, "hw start failed\n");
- goto fail;
- }
-
if (!wireless) {
/* Note that if query fails it is not a hard failure */
wacom_query_tablet_data(wacom);
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 6da69b1fde58..115d862d3e91 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2551,7 +2551,14 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
wacom_wac->hid_data.tipswitch);
input_report_key(input, wacom_wac->tool[0], sense);
if (wacom_wac->serial[0]) {
- input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
+ /*
+ * xf86-input-wacom does not accept a serial number
+ * of '0'. Report the low 32 bits if possible, but
+ * if they are zero, report the upper ones instead.
+ */
+ __u32 serial_lo = wacom_wac->serial[0] & 0xFFFFFFFFu;
+ __u32 serial_hi = wacom_wac->serial[0] >> 32;
+ input_event(input, EV_MSC, MSC_SERIAL, (int)(serial_lo ? serial_lo : serial_hi));
input_report_abs(input, ABS_MISC, sense ? id : 0);
}

diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
index 3cb88d6fbec0..424613e5b14f 100644
--- a/drivers/hwmon/aspeed-pwm-tacho.c
+++ b/drivers/hwmon/aspeed-pwm-tacho.c
@@ -194,6 +194,8 @@ struct aspeed_pwm_tacho_data {
u8 fan_tach_ch_source[16];
struct aspeed_cooling_device *cdev[8];
const struct attribute_group *groups[3];
+ /* protects access to shared ASPEED_PTCR_RESULT */
+ struct mutex tach_lock;
};

enum type { TYPEM, TYPEN, TYPEO };
@@ -528,6 +530,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv,
u8 fan_tach_ch_source, type, mode, both;
int ret;

+ mutex_lock(&priv->tach_lock);
+
regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0);
regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0x1 << fan_tach_ch);

@@ -545,6 +549,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv,
ASPEED_RPM_STATUS_SLEEP_USEC,
usec);

+ mutex_unlock(&priv->tach_lock);
+
/* return -ETIMEDOUT if we didn't get an answer. */
if (ret)
return ret;
@@ -904,6 +910,7 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ mutex_init(&priv->tach_lock);
priv->regmap = devm_regmap_init(dev, NULL, (__force void *)regs,
&aspeed_pwm_tacho_regmap_config);
if (IS_ERR(priv->regmap))
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 5b2057ce5a59..d67d972d18aa 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -380,7 +380,7 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
}

static int create_core_attrs(struct temp_data *tdata, struct device *dev,
- int attr_no)
+ int index)
{
int i;
static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev,
@@ -392,13 +392,20 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev,
};

for (i = 0; i < tdata->attr_size; i++) {
+ /*
+ * We map the attr number to core id of the CPU
+ * The attr number is always core id + 2
+ * The Pkgtemp will always show up as temp1_*, if available
+ */
+ int attr_no = tdata->is_pkg_data ? 1 : tdata->cpu_core_id + 2;
+
snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
"temp%d_%s", attr_no, suffixes[i]);
sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr);
tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i];
tdata->sd_attrs[i].dev_attr.attr.mode = 0444;
tdata->sd_attrs[i].dev_attr.show = rd_ptr[i];
- tdata->sd_attrs[i].index = attr_no;
+ tdata->sd_attrs[i].index = index;
tdata->attrs[i] = &tdata->sd_attrs[i].dev_attr.attr;
}
tdata->attr_group.attrs = tdata->attrs;
@@ -456,27 +463,22 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
struct platform_data *pdata = platform_get_drvdata(pdev);
struct cpuinfo_x86 *c = &cpu_data(cpu);
u32 eax, edx;
- int err, index, attr_no;
+ int err, index;

/*
- * Find attr number for sysfs:
- * We map the attr number to core id of the CPU
- * The attr number is always core id + 2
- * The Pkgtemp will always show up as temp1_*, if available
+ * Get the index of tdata in pdata->core_data[]
+ * tdata for package: pdata->core_data[1]
+ * tdata for core: pdata->core_data[2] .. pdata->core_data[NUM_REAL_CORES + 1]
*/
if (pkg_flag) {
- attr_no = PKG_SYSFS_ATTR_NO;
+ index = PKG_SYSFS_ATTR_NO;
} else {
- index = ida_alloc(&pdata->ida, GFP_KERNEL);
+ index = ida_alloc_max(&pdata->ida, NUM_REAL_CORES - 1, GFP_KERNEL);
if (index < 0)
return index;
- pdata->cpu_map[index] = topology_core_id(cpu);
- attr_no = index + BASE_SYSFS_ATTR_NO;
- }

- if (attr_no > MAX_CORE_DATA - 1) {
- err = -ERANGE;
- goto ida_free;
+ pdata->cpu_map[index] = topology_core_id(cpu);
+ index += BASE_SYSFS_ATTR_NO;
}

tdata = init_temp_data(cpu, pkg_flag);
@@ -508,20 +510,20 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
}
}

- pdata->core_data[attr_no] = tdata;
+ pdata->core_data[index] = tdata;

/* Create sysfs interfaces */
- err = create_core_attrs(tdata, pdata->hwmon_dev, attr_no);
+ err = create_core_attrs(tdata, pdata->hwmon_dev, index);
if (err)
goto exit_free;

return 0;
exit_free:
- pdata->core_data[attr_no] = NULL;
+ pdata->core_data[index] = NULL;
kfree(tdata);
ida_free:
if (!pkg_flag)
- ida_free(&pdata->ida, index);
+ ida_free(&pdata->ida, index - BASE_SYSFS_ATTR_NO);
return err;
}

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 30b725d11178..87c2c7c84736 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -519,12 +519,13 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
return -EOPNOTSUPP;
}

- inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
+ /* Set block buffer mode */
+ outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));

- /* Use 32-byte buffer to process this transaction */
if (read_write == I2C_SMBUS_WRITE) {
len = data->block[0];
outb_p(len, SMBHSTDAT0(priv));
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
outb_p(data->block[i+1], SMBBLKDAT(priv));
}
@@ -540,6 +541,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
return -EPROTO;

data->block[0] = len;
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
data->block[i + 1] = inb_p(SMBBLKDAT(priv));
}
@@ -747,14 +749,6 @@ static int i801_block_transaction_byte_by_byte(struct i801_priv *priv,
return i801_check_post(priv, status);
}

-static int i801_set_block_buffer_mode(struct i801_priv *priv)
-{
- outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
- if ((inb_p(SMBAUXCTL(priv)) & SMBAUXCTL_E32B) == 0)
- return -EIO;
- return 0;
-}
-
/* Block transaction function */
static int i801_block_transaction(struct i801_priv *priv, union i2c_smbus_data *data,
char read_write, int command)
@@ -783,9 +777,8 @@ static int i801_block_transaction(struct i801_priv *priv, union i2c_smbus_data *
/* Experience has shown that the block buffer can only be used for
SMBus (not I2C) block transactions, even though the datasheet
doesn't mention this limitation. */
- if ((priv->features & FEATURE_BLOCK_BUFFER)
- && command != I2C_SMBUS_I2C_BLOCK_DATA
- && i801_set_block_buffer_mode(priv) == 0)
+ if ((priv->features & FEATURE_BLOCK_BUFFER) &&
+ command != I2C_SMBUS_I2C_BLOCK_DATA)
result = i801_block_transaction_by_block(priv, data,
read_write,
command);
diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index 4a49c75a9408..b9cfda6ae9ae 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -77,7 +77,8 @@
#define PRESCL_CTRL0 0x14
#define PRESCL_CTRL0_I2C(x) ((x) << 16)
#define PRESCL_CTRL0_I3C(x) (x)
-#define PRESCL_CTRL0_MAX GENMASK(9, 0)
+#define PRESCL_CTRL0_I3C_MAX GENMASK(9, 0)
+#define PRESCL_CTRL0_I2C_MAX GENMASK(15, 0)

#define PRESCL_CTRL1 0x18
#define PRESCL_CTRL1_PP_LOW_MASK GENMASK(15, 8)
@@ -1234,7 +1235,7 @@ static int cdns_i3c_master_bus_init(struct i3c_master_controller *m)
return -EINVAL;

pres = DIV_ROUND_UP(sysclk_rate, (bus->scl_rate.i3c * 4)) - 1;
- if (pres > PRESCL_CTRL0_MAX)
+ if (pres > PRESCL_CTRL0_I3C_MAX)
return -ERANGE;

bus->scl_rate.i3c = sysclk_rate / ((pres + 1) * 4);
@@ -1247,7 +1248,7 @@ static int cdns_i3c_master_bus_init(struct i3c_master_controller *m)
max_i2cfreq = bus->scl_rate.i2c;

pres = (sysclk_rate / (max_i2cfreq * 5)) - 1;
- if (pres > PRESCL_CTRL0_MAX)
+ if (pres > PRESCL_CTRL0_I2C_MAX)
return -ERANGE;

bus->scl_rate.i2c = sysclk_rate / ((pres + 1) * 5);
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index a0e9061f6d6b..c258ea678470 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -128,10 +128,12 @@ config BMA400

config BMA400_I2C
tristate
+ select REGMAP_I2C
depends on BMA400

config BMA400_SPI
tristate
+ select REGMAP_SPI
depends on BMA400

config BMC150_ACCEL
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index 811f04448d8d..76002b91c86a 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -6,6 +6,7 @@
*/

#include <linux/bitops.h>
+#include <linux/bitfield.h>
#include <linux/iio/events.h>
#include <linux/iio/iio.h>
#include <linux/interrupt.h>
@@ -28,6 +29,7 @@
#define AD7091R_REG_RESULT_CONV_RESULT(x) ((x) & 0xfff)

/* AD7091R_REG_CONF */
+#define AD7091R_REG_CONF_ALERT_EN BIT(4)
#define AD7091R_REG_CONF_AUTO BIT(8)
#define AD7091R_REG_CONF_CMD BIT(10)

@@ -49,6 +51,27 @@ struct ad7091r_state {
struct mutex lock; /*lock to prevent concurent reads */
};

+const struct iio_event_spec ad7091r_events[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_RISING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_FALLING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_EITHER,
+ .mask_separate = BIT(IIO_EV_INFO_HYSTERESIS),
+ },
+};
+EXPORT_SYMBOL_NS_GPL(ad7091r_events, IIO_AD7091R);
+
static int ad7091r_set_mode(struct ad7091r_state *st, enum ad7091r_mode mode)
{
int ret, conf;
@@ -168,8 +191,142 @@ static int ad7091r_read_raw(struct iio_dev *iio_dev,
return ret;
}

+static int ad7091r_read_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+ int val, ret;
+
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ &val);
+ if (ret)
+ return ret;
+ return val != AD7091R_HIGH_LIMIT;
+ case IIO_EV_DIR_FALLING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ &val);
+ if (ret)
+ return ret;
+ return val != AD7091R_LOW_LIMIT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad7091r_write_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir, int state)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+
+ if (state) {
+ return regmap_set_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_ALERT_EN);
+ } else {
+ /*
+ * Set thresholds either to 0 or to 2^12 - 1 as appropriate to
+ * prevent alerts and thus disable event generation.
+ */
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ AD7091R_HIGH_LIMIT);
+ case IIO_EV_DIR_FALLING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ AD7091R_LOW_LIMIT);
+ default:
+ return -EINVAL;
+ }
+ }
+}
+
+static int ad7091r_read_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int *val, int *val2)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+ int ret;
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ case IIO_EV_DIR_FALLING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ case IIO_EV_INFO_HYSTERESIS:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HYSTERESIS(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad7091r_write_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int val, int val2)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ val);
+ case IIO_EV_DIR_FALLING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ val);
+ default:
+ return -EINVAL;
+ }
+ case IIO_EV_INFO_HYSTERESIS:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HYSTERESIS(chan->channel),
+ val);
+ default:
+ return -EINVAL;
+ }
+}
+
static const struct iio_info ad7091r_info = {
.read_raw = ad7091r_read_raw,
+ .read_event_config = &ad7091r_read_event_config,
+ .write_event_config = &ad7091r_write_event_config,
+ .read_event_value = &ad7091r_read_event_value,
+ .write_event_value = &ad7091r_write_event_value,
};

static irqreturn_t ad7091r_event_handler(int irq, void *private)
@@ -232,6 +389,11 @@ int ad7091r_probe(struct device *dev, const char *name,
iio_dev->channels = chip_info->channels;

if (irq) {
+ ret = regmap_update_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_ALERT_EN, BIT(4));
+ if (ret)
+ return ret;
+
ret = devm_request_threaded_irq(dev, irq, NULL,
ad7091r_event_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, iio_dev);
@@ -243,7 +405,14 @@ int ad7091r_probe(struct device *dev, const char *name,
if (IS_ERR(st->vref)) {
if (PTR_ERR(st->vref) == -EPROBE_DEFER)
return -EPROBE_DEFER;
+
st->vref = NULL;
+ /* Enable internal vref */
+ ret = regmap_set_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_INT_VREF);
+ if (ret)
+ return dev_err_probe(st->dev, ret,
+ "Error on enable internal reference\n");
} else {
ret = regulator_enable(st->vref);
if (ret)
@@ -260,7 +429,7 @@ int ad7091r_probe(struct device *dev, const char *name,

return devm_iio_device_register(dev, iio_dev);
}
-EXPORT_SYMBOL_GPL(ad7091r_probe);
+EXPORT_SYMBOL_NS_GPL(ad7091r_probe, IIO_AD7091R);

static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg)
{
@@ -290,7 +459,7 @@ const struct regmap_config ad7091r_regmap_config = {
.writeable_reg = ad7091r_writeable_reg,
.volatile_reg = ad7091r_volatile_reg,
};
-EXPORT_SYMBOL_GPL(ad7091r_regmap_config);
+EXPORT_SYMBOL_NS_GPL(ad7091r_regmap_config, IIO_AD7091R);

MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091Rx multi-channel converters");
diff --git a/drivers/iio/adc/ad7091r-base.h b/drivers/iio/adc/ad7091r-base.h
index 509748aef9b1..b9e1c8bf3440 100644
--- a/drivers/iio/adc/ad7091r-base.h
+++ b/drivers/iio/adc/ad7091r-base.h
@@ -8,6 +8,12 @@
#ifndef __DRIVERS_IIO_ADC_AD7091R_BASE_H__
#define __DRIVERS_IIO_ADC_AD7091R_BASE_H__

+#define AD7091R_REG_CONF_INT_VREF BIT(0)
+
+/* AD7091R_REG_CH_LIMIT */
+#define AD7091R_HIGH_LIMIT 0xFFF
+#define AD7091R_LOW_LIMIT 0x0
+
struct device;
struct ad7091r_state;

@@ -17,6 +23,8 @@ struct ad7091r_chip_info {
unsigned int vref_mV;
};

+extern const struct iio_event_spec ad7091r_events[3];
+
extern const struct regmap_config ad7091r_regmap_config;

int ad7091r_probe(struct device *dev, const char *name,
diff --git a/drivers/iio/adc/ad7091r5.c b/drivers/iio/adc/ad7091r5.c
index 9665679c3ea6..12d475463945 100644
--- a/drivers/iio/adc/ad7091r5.c
+++ b/drivers/iio/adc/ad7091r5.c
@@ -12,26 +12,6 @@

#include "ad7091r-base.h"

-static const struct iio_event_spec ad7091r5_events[] = {
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_RISING,
- .mask_separate = BIT(IIO_EV_INFO_VALUE) |
- BIT(IIO_EV_INFO_ENABLE),
- },
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_FALLING,
- .mask_separate = BIT(IIO_EV_INFO_VALUE) |
- BIT(IIO_EV_INFO_ENABLE),
- },
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_EITHER,
- .mask_separate = BIT(IIO_EV_INFO_HYSTERESIS),
- },
-};
-
#define AD7091R_CHANNEL(idx, bits, ev, num_ev) { \
.type = IIO_VOLTAGE, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
@@ -44,10 +24,10 @@ static const struct iio_event_spec ad7091r5_events[] = {
.scan_type.realbits = bits, \
}
static const struct iio_chan_spec ad7091r5_channels_irq[] = {
- AD7091R_CHANNEL(0, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(1, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(2, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(3, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
+ AD7091R_CHANNEL(0, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(1, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(2, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(3, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
};

static const struct iio_chan_spec ad7091r5_channels_noirq[] = {
@@ -111,3 +91,4 @@ module_i2c_driver(ad7091r5_driver);
MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091R5 multi-channel ADC driver");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD7091R);
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 78c780d1ab89..d21df1d300d2 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -1610,10 +1610,13 @@ static int iio_device_register_sysfs(struct iio_dev *indio_dev)
ret = iio_device_register_sysfs_group(indio_dev,
&iio_dev_opaque->chan_attr_group);
if (ret)
- goto error_clear_attrs;
+ goto error_free_chan_attrs;

return 0;

+error_free_chan_attrs:
+ kfree(iio_dev_opaque->chan_attr_group.attrs);
+ iio_dev_opaque->chan_attr_group.attrs = NULL;
error_clear_attrs:
iio_free_chan_devattr_list(&iio_dev_opaque->channel_attr_list);

diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 5a1a625d8d16..85097b769c20 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -228,6 +228,7 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev,
case HID_USAGE_SENSOR_TIME_TIMESTAMP:
als_state->timestamp = hid_sensor_convert_timestamp(&als_state->common_attributes,
*(s64 *)raw_data);
+ ret = 0;
break;
default:
break;
diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c
index 13914273c999..a654c6bae728 100644
--- a/drivers/iio/magnetometer/rm3100-core.c
+++ b/drivers/iio/magnetometer/rm3100-core.c
@@ -538,6 +538,7 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq)
struct rm3100_data *data;
unsigned int tmp;
int ret;
+ int samp_rate_index;

indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
@@ -595,9 +596,14 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq)
ret = regmap_read(regmap, RM3100_REG_TMRC, &tmp);
if (ret < 0)
return ret;
+
+ samp_rate_index = tmp - RM3100_TMRC_OFFSET;
+ if (samp_rate_index < 0 || samp_rate_index >= RM3100_SAMP_NUM) {
+ dev_err(dev, "The value read from RM3100_REG_TMRC is invalid!\n");
+ return -EINVAL;
+ }
/* Initializing max wait time, which is double conversion time. */
- data->conversion_time = rm3100_samp_rates[tmp - RM3100_TMRC_OFFSET][2]
- * 2;
+ data->conversion_time = rm3100_samp_rates[samp_rate_index][2] * 2;

/* Cycle count values may not be what we want. */
if ((tmp - RM3100_TMRC_OFFSET) == 0)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 5b3154503bf4..319d4288eddd 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -531,21 +531,18 @@ static int ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
rec.join_state = SENDONLY_FULLMEMBER_JOIN;
}
- spin_unlock_irq(&priv->lock);

multicast = ib_sa_join_multicast(&ipoib_sa_client, priv->ca, priv->port,
- &rec, comp_mask, GFP_KERNEL,
+ &rec, comp_mask, GFP_ATOMIC,
ipoib_mcast_join_complete, mcast);
- spin_lock_irq(&priv->lock);
if (IS_ERR(multicast)) {
ret = PTR_ERR(multicast);
ipoib_warn(priv, "ib_sa_join_multicast failed, status %d\n", ret);
/* Requeue this join task with a backoff delay */
__ipoib_mcast_schedule_join_thread(priv, mcast, 1);
clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
- spin_unlock_irq(&priv->lock);
complete(&mcast->done);
- spin_lock_irq(&priv->lock);
+ return ret;
}
return 0;
}
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index caf85ae46293..df04fbba449a 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -802,7 +802,6 @@ static int atkbd_probe(struct atkbd *atkbd)
{
struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[2];
- bool skip_getid;

/*
* Some systems, where the bit-twiddling when testing the io-lines of the
@@ -816,6 +815,11 @@ static int atkbd_probe(struct atkbd *atkbd)
"keyboard reset failed on %s\n",
ps2dev->serio->phys);

+ if (atkbd_skip_getid(atkbd)) {
+ atkbd->id = 0xab83;
+ return 0;
+ }
+
/*
* Then we check the keyboard ID. We should get 0xab83 under normal conditions.
* Some keyboards report different values, but the first byte is always 0xab or
@@ -824,18 +828,17 @@ static int atkbd_probe(struct atkbd *atkbd)
*/

param[0] = param[1] = 0xa5; /* initialize with invalid values */
- skip_getid = atkbd_skip_getid(atkbd);
- if (skip_getid || ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
+ if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {

/*
- * If the get ID command was skipped or failed, we check if we can at least set
+ * If the get ID command failed, we check if we can at least set
* the LEDs on the keyboard. This should work on every keyboard out there.
* It also turns the LEDs off, which we want anyway.
*/
param[0] = 0;
if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
- atkbd->id = skip_getid ? 0xab83 : 0xabba;
+ atkbd->id = 0xabba;
return 0;
}

diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
index 6af38f53154b..359d1a287a78 100644
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -1171,6 +1171,12 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
SERIO_QUIRK_NOPNP)
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOAUX)
+ },
{
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index fddea7227246..00f78d4176a0 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -2,7 +2,7 @@
/*
* Generic Broadcom Set Top Box Level 2 Interrupt controller driver
*
- * Copyright (C) 2014-2017 Broadcom
+ * Copyright (C) 2014-2024 Broadcom
*/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -113,6 +113,9 @@ static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc)
generic_handle_domain_irq(b->domain, irq);
} while (status);
out:
+ /* Don't ack parent before all device writes are done */
+ wmb();
+
chained_irq_exit(chip, desc);
}

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 490e6cfe510e..78eeb382c27e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3800,8 +3800,9 @@ static int its_vpe_set_affinity(struct irq_data *d,
bool force)
{
struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
- int from, cpu = cpumask_first(mask_val);
+ struct cpumask common, *table_mask;
unsigned long flags;
+ int from, cpu;

/*
* Changing affinity is mega expensive, so let's be as lazy as
@@ -3817,19 +3818,22 @@ static int its_vpe_set_affinity(struct irq_data *d,
* taken on any vLPI handling path that evaluates vpe->col_idx.
*/
from = vpe_to_cpuid_lock(vpe, &flags);
- if (from == cpu)
- goto out;
-
- vpe->col_idx = cpu;
+ table_mask = gic_data_rdist_cpu(from)->vpe_table_mask;

/*
- * GICv4.1 allows us to skip VMOVP if moving to a cpu whose RD
- * is sharing its VPE table with the current one.
+ * If we are offered another CPU in the same GICv4.1 ITS
+ * affinity, pick this one. Otherwise, any CPU will do.
*/
- if (gic_data_rdist_cpu(cpu)->vpe_table_mask &&
- cpumask_test_cpu(from, gic_data_rdist_cpu(cpu)->vpe_table_mask))
+ if (table_mask && cpumask_and(&common, mask_val, table_mask))
+ cpu = cpumask_test_cpu(from, &common) ? from : cpumask_first(&common);
+ else
+ cpu = cpumask_first(mask_val);
+
+ if (from == cpu)
goto out;

+ vpe->col_idx = cpu;
+
its_send_vmovp(vpe);
its_vpe_db_proxy_move(vpe, from, cpu);

diff --git a/drivers/leds/trigger/ledtrig-panic.c b/drivers/leds/trigger/ledtrig-panic.c
index 64abf2e91608..5a6b21bfeb9a 100644
--- a/drivers/leds/trigger/ledtrig-panic.c
+++ b/drivers/leds/trigger/ledtrig-panic.c
@@ -64,10 +64,13 @@ static long led_panic_blink(int state)

static int __init ledtrig_panic_init(void)
{
+ led_trigger_register_simple("panic", &trigger);
+ if (!trigger)
+ return -ENOMEM;
+
atomic_notifier_chain_register(&panic_notifier_list,
&led_trigger_panic_nb);

- led_trigger_register_simple("panic", &trigger);
panic_blink = led_panic_blink;
return 0;
}
diff --git a/drivers/mailbox/arm_mhuv2.c b/drivers/mailbox/arm_mhuv2.c
index 3af15083a25a..68f766621b9b 100644
--- a/drivers/mailbox/arm_mhuv2.c
+++ b/drivers/mailbox/arm_mhuv2.c
@@ -552,7 +552,8 @@ static irqreturn_t mhuv2_sender_interrupt(int irq, void *data)
priv = chan->con_priv;

if (!IS_PROTOCOL_DOORBELL(priv)) {
- writel_relaxed(1, &mhu->send->ch_wn[priv->ch_wn_idx + priv->windows - 1].int_clr);
+ for (i = 0; i < priv->windows; i++)
+ writel_relaxed(1, &mhu->send->ch_wn[priv->ch_wn_idx + i].int_clr);

if (chan->cl) {
mbox_chan_txdone(chan, 0);
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 5a7d270b32c0..eff11df6c32e 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -21,6 +21,8 @@
#include "dm-ima.h"

#define DM_RESERVED_MAX_IOS 1024
+#define DM_MAX_TARGETS 1048576
+#define DM_MAX_TARGET_PARAMS 1024

struct dm_kobject_holder {
struct kobject kobj;
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 815c41e1ebdb..c1bcc857c1b6 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1859,7 +1859,8 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern
if (copy_from_user(param_kernel, user, minimum_data_size))
return -EFAULT;

- if (param_kernel->data_size < minimum_data_size)
+ if (unlikely(param_kernel->data_size < minimum_data_size) ||
+ unlikely(param_kernel->data_size > DM_MAX_TARGETS * DM_MAX_TARGET_PARAMS))
return -EINVAL;

secure_data = param_kernel->flags & DM_SECURE_DATA_FLAG;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 46ec4590f62f..52083d397fc4 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -126,7 +126,12 @@ static int alloc_targets(struct dm_table *t, unsigned int num)
int dm_table_create(struct dm_table **result, fmode_t mode,
unsigned num_targets, struct mapped_device *md)
{
- struct dm_table *t = kzalloc(sizeof(*t), GFP_KERNEL);
+ struct dm_table *t;
+
+ if (num_targets > DM_MAX_TARGETS)
+ return -EOVERFLOW;
+
+ t = kzalloc(sizeof(*t), GFP_KERNEL);

if (!t)
return -ENOMEM;
@@ -140,7 +145,7 @@ int dm_table_create(struct dm_table **result, fmode_t mode,

if (!num_targets) {
kfree(t);
- return -ENOMEM;
+ return -EOVERFLOW;
}

if (alloc_targets(t, num_targets)) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index aae9ec78c0e8..ff65e5eddfa1 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1162,6 +1162,7 @@ struct super_type {
struct md_rdev *refdev,
int minor_version);
int (*validate_super)(struct mddev *mddev,
+ struct md_rdev *freshest,
struct md_rdev *rdev);
void (*sync_super)(struct mddev *mddev,
struct md_rdev *rdev);
@@ -1300,8 +1301,9 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor

/*
* validate_super for 0.90.0
+ * note: we are not using "freshest" for 0.9 superblock
*/
-static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
+static int super_90_validate(struct mddev *mddev, struct md_rdev *freshest, struct md_rdev *rdev)
{
mdp_disk_t *desc;
mdp_super_t *sb = page_address(rdev->sb_page);
@@ -1816,7 +1818,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
return ret;
}

-static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
+static int super_1_validate(struct mddev *mddev, struct md_rdev *freshest, struct md_rdev *rdev)
{
struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
__u64 ev1 = le64_to_cpu(sb->events);
@@ -1912,13 +1914,15 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
}
} else if (mddev->pers == NULL) {
/* Insist of good event counter while assembling, except for
- * spares (which don't need an event count) */
- ++ev1;
+ * spares (which don't need an event count).
+ * Similar to mdadm, we allow event counter difference of 1
+ * from the freshest device.
+ */
if (rdev->desc_nr >= 0 &&
rdev->desc_nr < le32_to_cpu(sb->max_dev) &&
(le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < MD_DISK_ROLE_MAX ||
le16_to_cpu(sb->dev_roles[rdev->desc_nr]) == MD_DISK_ROLE_JOURNAL))
- if (ev1 < mddev->events)
+ if (ev1 + 1 < mddev->events)
return -EINVAL;
} else if (mddev->bitmap) {
/* If adding to array with a bitmap, then we can accept an
@@ -1939,8 +1943,38 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
rdev->desc_nr >= le32_to_cpu(sb->max_dev)) {
role = MD_DISK_ROLE_SPARE;
rdev->desc_nr = -1;
- } else
+ } else if (mddev->pers == NULL && freshest && ev1 < mddev->events) {
+ /*
+ * If we are assembling, and our event counter is smaller than the
+ * highest event counter, we cannot trust our superblock about the role.
+ * It could happen that our rdev was marked as Faulty, and all other
+ * superblocks were updated with +1 event counter.
+ * Then, before the next superblock update, which typically happens when
+ * remove_and_add_spares() removes the device from the array, there was
+ * a crash or reboot.
+ * If we allow current rdev without consulting the freshest superblock,
+ * we could cause data corruption.
+ * Note that in this case our event counter is smaller by 1 than the
+ * highest, otherwise, this rdev would not be allowed into array;
+ * both kernel and mdadm allow event counter difference of 1.
+ */
+ struct mdp_superblock_1 *freshest_sb = page_address(freshest->sb_page);
+ u32 freshest_max_dev = le32_to_cpu(freshest_sb->max_dev);
+
+ if (rdev->desc_nr >= freshest_max_dev) {
+ /* this is unexpected, better not proceed */
+ pr_warn("md: %s: rdev[%pg]: desc_nr(%d) >= freshest(%pg)->sb->max_dev(%u)\n",
+ mdname(mddev), rdev->bdev, rdev->desc_nr,
+ freshest->bdev, freshest_max_dev);
+ return -EUCLEAN;
+ }
+
+ role = le16_to_cpu(freshest_sb->dev_roles[rdev->desc_nr]);
+ pr_debug("md: %s: rdev[%pg]: role=%d(0x%x) according to freshest %pg\n",
+ mdname(mddev), rdev->bdev, role, role, freshest->bdev);
+ } else {
role = le16_to_cpu(sb->dev_roles[rdev->desc_nr]);
+ }
switch(role) {
case MD_DISK_ROLE_SPARE: /* spare */
break;
@@ -2890,7 +2924,7 @@ static int add_bound_rdev(struct md_rdev *rdev)
* and should be added immediately.
*/
super_types[mddev->major_version].
- validate_super(mddev, rdev);
+ validate_super(mddev, NULL/*freshest*/, rdev);
if (add_journal)
mddev_suspend(mddev);
err = mddev->pers->hot_add_disk(mddev, rdev);
@@ -3809,7 +3843,7 @@ static int analyze_sbs(struct mddev *mddev)
}

super_types[mddev->major_version].
- validate_super(mddev, freshest);
+ validate_super(mddev, NULL/*freshest*/, freshest);

i = 0;
rdev_for_each_safe(rdev, tmp, mddev) {
@@ -3824,7 +3858,7 @@ static int analyze_sbs(struct mddev *mddev)
}
if (rdev != freshest) {
if (super_types[mddev->major_version].
- validate_super(mddev, rdev)) {
+ validate_super(mddev, freshest, rdev)) {
pr_warn("md: kicking non-fresh %s from array!\n",
bdevname(rdev->bdev,b));
md_kick_rdev_from_array(rdev);
@@ -6795,7 +6829,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
rdev->saved_raid_disk = rdev->raid_disk;
} else
super_types[mddev->major_version].
- validate_super(mddev, rdev);
+ validate_super(mddev, NULL/*freshest*/, rdev);
if ((info->state & (1<<MD_DISK_SYNC)) &&
rdev->raid_disk != info->raid_disk) {
/* This was a hot-add request, but events doesn't
diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c
index 410d6b86feb5..780eb68b1894 100644
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -971,8 +971,8 @@ static int imx335_init_controls(struct imx335 *imx335)
imx335->hblank_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
&imx335_ctrl_ops,
V4L2_CID_HBLANK,
- IMX335_REG_MIN,
- IMX335_REG_MAX,
+ mode->hblank,
+ mode->hblank,
1, mode->hblank);
if (imx335->hblank_ctrl)
imx335->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c
index cb51c81786bd..f49fc5663d22 100644
--- a/drivers/media/i2c/imx355.c
+++ b/drivers/media/i2c/imx355.c
@@ -1784,10 +1784,6 @@ static int imx355_probe(struct i2c_client *client)
goto error_handler_free;
}

- ret = v4l2_async_register_subdev_sensor(&imx355->sd);
- if (ret < 0)
- goto error_media_entity;
-
/*
* Device is already turned on by i2c-core with ACPI domain PM.
* Enable runtime PM and turn off the device.
@@ -1796,9 +1792,15 @@ static int imx355_probe(struct i2c_client *client)
pm_runtime_enable(&client->dev);
pm_runtime_idle(&client->dev);

+ ret = v4l2_async_register_subdev_sensor(&imx355->sd);
+ if (ret < 0)
+ goto error_media_entity_runtime_pm;
+
return 0;

-error_media_entity:
+error_media_entity_runtime_pm:
+ pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
media_entity_cleanup(&imx355->sd.entity);

error_handler_free:
diff --git a/drivers/media/i2c/ov9734.c b/drivers/media/i2c/ov9734.c
index df538ceb71c3..ae9af9e03284 100644
--- a/drivers/media/i2c/ov9734.c
+++ b/drivers/media/i2c/ov9734.c
@@ -939,6 +939,7 @@ static int ov9734_remove(struct i2c_client *client)
media_entity_cleanup(&sd->entity);
v4l2_ctrl_handler_free(sd->ctrl_handler);
pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
mutex_destroy(&ov9734->mutex);

return 0;
@@ -986,13 +987,6 @@ static int ov9734_probe(struct i2c_client *client)
goto probe_error_v4l2_ctrl_handler_free;
}

- ret = v4l2_async_register_subdev_sensor(&ov9734->sd);
- if (ret < 0) {
- dev_err(&client->dev, "failed to register V4L2 subdev: %d",
- ret);
- goto probe_error_media_entity_cleanup;
- }
-
/*
* Device is already turned on by i2c-core with ACPI domain PM.
* Enable runtime PM and turn off the device.
@@ -1001,9 +995,18 @@ static int ov9734_probe(struct i2c_client *client)
pm_runtime_enable(&client->dev);
pm_runtime_idle(&client->dev);

+ ret = v4l2_async_register_subdev_sensor(&ov9734->sd);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed to register V4L2 subdev: %d",
+ ret);
+ goto probe_error_media_entity_cleanup_pm;
+ }
+
return 0;

-probe_error_media_entity_cleanup:
+probe_error_media_entity_cleanup_pm:
+ pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
media_entity_cleanup(&ov9734->sd.entity);

probe_error_v4l2_ctrl_handler_free:
diff --git a/drivers/media/pci/ddbridge/ddbridge-main.c b/drivers/media/pci/ddbridge/ddbridge-main.c
index 03dc9924fa2c..bb7fb6402d6e 100644
--- a/drivers/media/pci/ddbridge/ddbridge-main.c
+++ b/drivers/media/pci/ddbridge/ddbridge-main.c
@@ -247,7 +247,7 @@ static int ddb_probe(struct pci_dev *pdev,
ddb_unmap(dev);
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
- return -1;
+ return stat;
}

/****************************************************************************/
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index bc84274ba87a..ba490b06ff70 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -977,13 +977,13 @@ static void mtk_jpeg_dec_device_run(void *priv)
if (ret < 0)
goto dec_end;

- schedule_delayed_work(&jpeg->job_timeout_work,
- msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
-
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
if (mtk_jpeg_set_dec_dst(ctx, &jpeg_src_buf->dec_param, &dst_buf->vb2_buf, &fb))
goto dec_end;

+ schedule_delayed_work(&jpeg->job_timeout_work,
+ msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
+
spin_lock_irqsave(&jpeg->hw_lock, flags);
mtk_jpeg_dec_reset(jpeg->reg_base);
mtk_jpeg_dec_set_config(jpeg->reg_base,
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index e3246344fb72..bcbbd1408b36 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -187,25 +187,16 @@ static int rga_setup_ctrls(struct rga_ctx *ctx)
static struct rga_fmt formats[] = {
{
.fourcc = V4L2_PIX_FMT_ARGB32,
- .color_swap = RGA_COLOR_RB_SWAP,
+ .color_swap = RGA_COLOR_ALPHA_SWAP,
.hw_format = RGA_COLOR_FMT_ABGR8888,
.depth = 32,
.uv_factor = 1,
.y_div = 1,
.x_div = 1,
},
- {
- .fourcc = V4L2_PIX_FMT_XRGB32,
- .color_swap = RGA_COLOR_RB_SWAP,
- .hw_format = RGA_COLOR_FMT_XBGR8888,
- .depth = 32,
- .uv_factor = 1,
- .y_div = 1,
- .x_div = 1,
- },
{
.fourcc = V4L2_PIX_FMT_ABGR32,
- .color_swap = RGA_COLOR_ALPHA_SWAP,
+ .color_swap = RGA_COLOR_RB_SWAP,
.hw_format = RGA_COLOR_FMT_ABGR8888,
.depth = 32,
.uv_factor = 1,
@@ -214,7 +205,7 @@ static struct rga_fmt formats[] = {
},
{
.fourcc = V4L2_PIX_FMT_XBGR32,
- .color_swap = RGA_COLOR_ALPHA_SWAP,
+ .color_swap = RGA_COLOR_RB_SWAP,
.hw_format = RGA_COLOR_FMT_XBGR8888,
.depth = 32,
.uv_factor = 1,
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index 3eff08d7b8e5..713c4539f29c 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -249,7 +249,7 @@ int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
if (attr->attach_flags)
return -EINVAL;

- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);

@@ -274,7 +274,7 @@ int lirc_prog_detach(const union bpf_attr *attr)
if (IS_ERR(prog))
return PTR_ERR(prog);

- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev)) {
bpf_prog_put(prog);
return PTR_ERR(rcdev);
@@ -299,7 +299,7 @@ int lirc_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr)
if (attr->query.query_flags)
return -EINVAL;

- rcdev = rc_dev_get_from_fd(attr->query.target_fd);
+ rcdev = rc_dev_get_from_fd(attr->query.target_fd, false);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);

diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c
index 53ae19fa103a..658d27d29048 100644
--- a/drivers/media/rc/ir_toy.c
+++ b/drivers/media/rc/ir_toy.c
@@ -324,6 +324,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
sizeof(COMMAND_SMODE_EXIT), STATE_RESET);
if (err) {
dev_err(irtoy->dev, "exit sample mode: %d\n", err);
+ kfree(buf);
return err;
}

@@ -331,6 +332,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
sizeof(COMMAND_SMODE_ENTER), STATE_COMMAND);
if (err) {
dev_err(irtoy->dev, "enter sample mode: %d\n", err);
+ kfree(buf);
return err;
}

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 888177b91152..d73f02b0db84 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -827,7 +827,7 @@ void __exit lirc_dev_exit(void)
unregister_chrdev_region(lirc_base_dev, RC_DEV_MAX);
}

-struct rc_dev *rc_dev_get_from_fd(int fd)
+struct rc_dev *rc_dev_get_from_fd(int fd, bool write)
{
struct fd f = fdget(fd);
struct lirc_fh *fh;
@@ -841,6 +841,9 @@ struct rc_dev *rc_dev_get_from_fd(int fd)
return ERR_PTR(-EINVAL);
}

+ if (write && !(f.file->f_mode & FMODE_WRITE))
+ return ERR_PTR(-EPERM);
+
fh = f.file->private_data;
dev = fh->rc;

diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h
index 62f032dffd33..dfe0352c0f0a 100644
--- a/drivers/media/rc/rc-core-priv.h
+++ b/drivers/media/rc/rc-core-priv.h
@@ -325,7 +325,7 @@ void lirc_raw_event(struct rc_dev *dev, struct ir_raw_event ev);
void lirc_scancode_event(struct rc_dev *dev, struct lirc_scancode *lsc);
int lirc_register(struct rc_dev *dev);
void lirc_unregister(struct rc_dev *dev);
-struct rc_dev *rc_dev_get_from_fd(int fd);
+struct rc_dev *rc_dev_get_from_fd(int fd, bool write);
#else
static inline int lirc_dev_init(void) { return 0; }
static inline void lirc_dev_exit(void) {}
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 202b084f65a2..4cf540d1b250 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -107,8 +107,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)

/*
* TODO: These stk1160_dbg are very spammy!
- * We should 1) check why we are getting them
- * and 2) add ratelimit.
+ * We should check why we are getting them.
*
* UPDATE: One of the reasons (the only one?) for getting these
* is incorrect standard (mismatch between expected and configured).
@@ -151,7 +150,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)

/* Let the bug hunt begin! sanity checks! */
if (lencopy < 0) {
- stk1160_dbg("copy skipped: negative lencopy\n");
+ printk_ratelimited(KERN_DEBUG "copy skipped: negative lencopy\n");
return;
}

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ef550d33af92..1a790e7f6549 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1377,6 +1377,7 @@ config MFD_DAVINCI_VOICECODEC

config MFD_TI_AM335X_TSCADC
tristate "TI ADC / Touch Screen chip support"
+ depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
select MFD_CORE
select REGMAP
select REGMAP_MMIO
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index b121f9081e5e..96c098d6fc22 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -1594,7 +1594,7 @@ static int fastrpc_cb_remove(struct platform_device *pdev)
int i;

spin_lock_irqsave(&cctx->lock, flags);
- for (i = 1; i < FASTRPC_MAX_SESSIONS; i++) {
+ for (i = 0; i < FASTRPC_MAX_SESSIONS; i++) {
if (cctx->session[i].sid == sess->sid) {
cctx->session[i].valid = false;
cctx->sesscount--;
diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index fac4a811b97b..3ab8dbae96af 100644
--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -29,7 +29,7 @@ struct lkdtm_list {
#if defined(CONFIG_FRAME_WARN) && (CONFIG_FRAME_WARN > 0)
#define REC_STACK_SIZE (_AC(CONFIG_FRAME_WARN, UL) / 2)
#else
-#define REC_STACK_SIZE (THREAD_SIZE / 8)
+#define REC_STACK_SIZE (THREAD_SIZE / 8UL)
#endif
#define REC_NUM_DEFAULT ((THREAD_SIZE / REC_STACK_SIZE) * 2)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 1fb6b6d99066..c3202e2e99e8 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -399,6 +399,10 @@ struct mmc_blk_ioc_data {
struct mmc_ioc_cmd ic;
unsigned char *buf;
u64 buf_bytes;
+ unsigned int flags;
+#define MMC_BLK_IOC_DROP BIT(0) /* drop this mrq */
+#define MMC_BLK_IOC_SBC BIT(1) /* use mrq.sbc */
+
struct mmc_rpmb_data *rpmb;
};

@@ -464,7 +468,7 @@ static int mmc_blk_ioctl_copy_to_user(struct mmc_ioc_cmd __user *ic_ptr,
}

static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
- struct mmc_blk_ioc_data *idata)
+ struct mmc_blk_ioc_data **idatas, int i)
{
struct mmc_command cmd = {}, sbc = {};
struct mmc_data data = {};
@@ -472,10 +476,18 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
struct scatterlist sg;
int err;
unsigned int target_part;
+ struct mmc_blk_ioc_data *idata = idatas[i];
+ struct mmc_blk_ioc_data *prev_idata = NULL;

if (!card || !md || !idata)
return -EINVAL;

+ if (idata->flags & MMC_BLK_IOC_DROP)
+ return 0;
+
+ if (idata->flags & MMC_BLK_IOC_SBC)
+ prev_idata = idatas[i - 1];
+
/*
* The RPMB accesses comes in from the character device, so we
* need to target these explicitly. Else we just target the
@@ -542,7 +554,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
return err;
}

- if (idata->rpmb) {
+ if (idata->rpmb || prev_idata) {
sbc.opcode = MMC_SET_BLOCK_COUNT;
/*
* We don't do any blockcount validation because the max size
@@ -550,6 +562,8 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
* 'Reliable Write' bit here.
*/
sbc.arg = data.blocks | (idata->ic.write_flag & BIT(31));
+ if (prev_idata)
+ sbc.arg = prev_idata->ic.arg;
sbc.flags = MMC_RSP_R1 | MMC_CMD_AC;
mrq.sbc = &sbc;
}
@@ -561,6 +575,15 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
mmc_wait_for_req(card->host, &mrq);
memcpy(&idata->ic.response, cmd.resp, sizeof(cmd.resp));

+ if (prev_idata) {
+ memcpy(&prev_idata->ic.response, sbc.resp, sizeof(sbc.resp));
+ if (sbc.error) {
+ dev_err(mmc_dev(card->host), "%s: sbc error %d\n",
+ __func__, sbc.error);
+ return sbc.error;
+ }
+ }
+
if (cmd.error) {
dev_err(mmc_dev(card->host), "%s: cmd error %d\n",
__func__, cmd.error);
@@ -1030,6 +1053,20 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
md->reset_done &= ~type;
}

+static void mmc_blk_check_sbc(struct mmc_queue_req *mq_rq)
+{
+ struct mmc_blk_ioc_data **idata = mq_rq->drv_op_data;
+ int i;
+
+ for (i = 1; i < mq_rq->ioc_count; i++) {
+ if (idata[i - 1]->ic.opcode == MMC_SET_BLOCK_COUNT &&
+ mmc_op_multi(idata[i]->ic.opcode)) {
+ idata[i - 1]->flags |= MMC_BLK_IOC_DROP;
+ idata[i]->flags |= MMC_BLK_IOC_SBC;
+ }
+ }
+}
+
/*
* The non-block commands come back from the block layer after it queued it and
* processed it with all other requests and then they get issued in this
@@ -1057,11 +1094,14 @@ static void mmc_blk_issue_drv_op(struct mmc_queue *mq, struct request *req)
if (ret)
break;
}
+
+ mmc_blk_check_sbc(mq_rq);
+
fallthrough;
case MMC_DRV_OP_IOCTL_RPMB:
idata = mq_rq->drv_op_data;
for (i = 0, ret = 0; i < mq_rq->ioc_count; i++) {
- ret = __mmc_blk_ioctl_cmd(card, md, idata[i]);
+ ret = __mmc_blk_ioctl_cmd(card, md, idata, i);
if (ret)
break;
}
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 05e907451df9..681653d097ef 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -62,11 +62,15 @@ int mmc_gpio_alloc(struct mmc_host *host)
int mmc_gpio_get_ro(struct mmc_host *host)
{
struct mmc_gpio *ctx = host->slot.handler_priv;
+ int cansleep;

if (!ctx || !ctx->ro_gpio)
return -ENOSYS;

- return gpiod_get_value_cansleep(ctx->ro_gpio);
+ cansleep = gpiod_cansleep(ctx->ro_gpio);
+ return cansleep ?
+ gpiod_get_value_cansleep(ctx->ro_gpio) :
+ gpiod_get_value(ctx->ro_gpio);
}
EXPORT_SYMBOL(mmc_gpio_get_ro);

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 91fde4943def..05990cebafaa 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -15,7 +15,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/bio.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-direction.h>
#include <linux/crc7.h>
#include <linux/crc-itu-t.h>
#include <linux/scatterlist.h>
@@ -119,19 +119,14 @@ struct mmc_spi_host {
struct spi_transfer status;
struct spi_message readback;

- /* underlying DMA-aware controller, or null */
- struct device *dma_dev;
-
/* buffer used for commands and for message "overhead" */
struct scratch *data;
- dma_addr_t data_dma;

/* Specs say to write ones most of the time, even when the card
* has no need to read its input data; and many cards won't care.
* This is our source of those ones.
*/
void *ones;
- dma_addr_t ones_dma;
};

@@ -147,11 +142,8 @@ static inline int mmc_cs_off(struct mmc_spi_host *host)
return spi_setup(host->spi);
}

-static int
-mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
+static int mmc_spi_readbytes(struct mmc_spi_host *host, unsigned int len)
{
- int status;
-
if (len > sizeof(*host->data)) {
WARN_ON(1);
return -EIO;
@@ -159,19 +151,7 @@ mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)

host->status.len = len;

- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_FROM_DEVICE);
-
- status = spi_sync_locked(host->spi, &host->readback);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_FROM_DEVICE);
-
- return status;
+ return spi_sync_locked(host->spi, &host->readback);
}

static int mmc_spi_skip(struct mmc_spi_host *host, unsigned long timeout,
@@ -506,23 +486,11 @@ mmc_spi_command_send(struct mmc_spi_host *host,
t = &host->t;
memset(t, 0, sizeof(*t));
t->tx_buf = t->rx_buf = data->status;
- t->tx_dma = t->rx_dma = host->data_dma;
t->len = cp - data->status;
t->cs_change = 1;
spi_message_add_tail(t, &host->m);

- if (host->dma_dev) {
- host->m.is_dma_mapped = 1;
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
- }
status = spi_sync_locked(host->spi, &host->m);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
if (status < 0) {
dev_dbg(&host->spi->dev, " ... write returned %d\n", status);
cmd->error = status;
@@ -540,9 +508,6 @@ mmc_spi_command_send(struct mmc_spi_host *host,
* We always provide TX data for data and CRC. The MMC/SD protocol
* requires us to write ones; but Linux defaults to writing zeroes;
* so we explicitly initialize it to all ones on RX paths.
- *
- * We also handle DMA mapping, so the underlying SPI controller does
- * not need to (re)do it for each message.
*/
static void
mmc_spi_setup_data_message(
@@ -552,11 +517,8 @@ mmc_spi_setup_data_message(
{
struct spi_transfer *t;
struct scratch *scratch = host->data;
- dma_addr_t dma = host->data_dma;

spi_message_init(&host->m);
- if (dma)
- host->m.is_dma_mapped = 1;

/* for reads, readblock() skips 0xff bytes before finding
* the token; for writes, this transfer issues that token.
@@ -570,8 +532,6 @@ mmc_spi_setup_data_message(
else
scratch->data_token = SPI_TOKEN_SINGLE;
t->tx_buf = &scratch->data_token;
- if (dma)
- t->tx_dma = dma + offsetof(struct scratch, data_token);
spi_message_add_tail(t, &host->m);
}

@@ -581,7 +541,6 @@ mmc_spi_setup_data_message(
t = &host->t;
memset(t, 0, sizeof(*t));
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
/* length and actual buffer info are written later */
spi_message_add_tail(t, &host->m);

@@ -591,14 +550,9 @@ mmc_spi_setup_data_message(
if (direction == DMA_TO_DEVICE) {
/* the actual CRC may get written later */
t->tx_buf = &scratch->crc_val;
- if (dma)
- t->tx_dma = dma + offsetof(struct scratch, crc_val);
} else {
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
t->rx_buf = &scratch->crc_val;
- if (dma)
- t->rx_dma = dma + offsetof(struct scratch, crc_val);
}
spi_message_add_tail(t, &host->m);

@@ -621,10 +575,7 @@ mmc_spi_setup_data_message(
memset(t, 0, sizeof(*t));
t->len = (direction == DMA_TO_DEVICE) ? sizeof(scratch->status) : 1;
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
t->rx_buf = scratch->status;
- if (dma)
- t->rx_dma = dma + offsetof(struct scratch, status);
t->cs_change = 1;
spi_message_add_tail(t, &host->m);
}
@@ -653,23 +604,13 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,

if (host->mmc->use_spi_crc)
scratch->crc_val = cpu_to_be16(crc_itu_t(0, t->tx_buf, t->len));
- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);

status = spi_sync_locked(spi, &host->m);
-
if (status != 0) {
dev_dbg(&spi->dev, "write error (%d)\n", status);
return status;
}

- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
/*
* Get the transmission data-response reply. It must follow
* immediately after the data block we transferred. This reply
@@ -718,8 +659,6 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
}

t->tx_buf += t->len;
- if (host->dma_dev)
- t->tx_dma += t->len;

/* Return when not busy. If we didn't collect that status yet,
* we'll need some more I/O.
@@ -783,30 +722,12 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
leftover = status << 1;

- if (host->dma_dev) {
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
- dma_sync_single_for_device(host->dma_dev,
- t->rx_dma, t->len,
- DMA_FROM_DEVICE);
- }
-
status = spi_sync_locked(spi, &host->m);
if (status < 0) {
dev_dbg(&spi->dev, "read error %d\n", status);
return status;
}

- if (host->dma_dev) {
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
- dma_sync_single_for_cpu(host->dma_dev,
- t->rx_dma, t->len,
- DMA_FROM_DEVICE);
- }
-
if (bitshift) {
/* Walk through the data and the crc and do
* all the magic to get byte-aligned data.
@@ -841,8 +762,6 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}

t->rx_buf += t->len;
- if (host->dma_dev)
- t->rx_dma += t->len;

return 0;
}
@@ -857,7 +776,6 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
struct mmc_data *data, u32 blk_size)
{
struct spi_device *spi = host->spi;
- struct device *dma_dev = host->dma_dev;
struct spi_transfer *t;
enum dma_data_direction direction;
struct scatterlist *sg;
@@ -884,31 +802,8 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
*/
for_each_sg(data->sg, sg, data->sg_len, n_sg) {
int status = 0;
- dma_addr_t dma_addr = 0;
void *kmap_addr;
unsigned length = sg->length;
- enum dma_data_direction dir = direction;
-
- /* set up dma mapping for controller drivers that might
- * use DMA ... though they may fall back to PIO
- */
- if (dma_dev) {
- /* never invalidate whole *shared* pages ... */
- if ((sg->offset != 0 || length != PAGE_SIZE)
- && dir == DMA_FROM_DEVICE)
- dir = DMA_BIDIRECTIONAL;
-
- dma_addr = dma_map_page(dma_dev, sg_page(sg), 0,
- PAGE_SIZE, dir);
- if (dma_mapping_error(dma_dev, dma_addr)) {
- data->error = -EFAULT;
- break;
- }
- if (direction == DMA_TO_DEVICE)
- t->tx_dma = dma_addr + sg->offset;
- else
- t->rx_dma = dma_addr + sg->offset;
- }

/* allow pio too; we don't allow highmem */
kmap_addr = kmap(sg_page(sg));
@@ -943,8 +838,6 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
if (direction == DMA_FROM_DEVICE)
flush_dcache_page(sg_page(sg));
kunmap(sg_page(sg));
- if (dma_dev)
- dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir);

if (status < 0) {
data->error = status;
@@ -981,21 +874,9 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
scratch->status[0] = SPI_TOKEN_STOP_TRAN;

host->early_status.tx_buf = host->early_status.rx_buf;
- host->early_status.tx_dma = host->early_status.rx_dma;
host->early_status.len = statlen;

- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
tmp = spi_sync_locked(spi, &host->m);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
if (tmp < 0) {
if (!data->error)
data->error = tmp;
@@ -1269,52 +1150,6 @@ mmc_spi_detect_irq(int irq, void *mmc)
return IRQ_HANDLED;
}

-#ifdef CONFIG_HAS_DMA
-static int mmc_spi_dma_alloc(struct mmc_spi_host *host)
-{
- struct spi_device *spi = host->spi;
- struct device *dev;
-
- if (!spi->master->dev.parent->dma_mask)
- return 0;
-
- dev = spi->master->dev.parent;
-
- host->ones_dma = dma_map_single(dev, host->ones, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, host->ones_dma))
- return -ENOMEM;
-
- host->data_dma = dma_map_single(dev, host->data, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
- if (dma_mapping_error(dev, host->data_dma)) {
- dma_unmap_single(dev, host->ones_dma, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- return -ENOMEM;
- }
-
- dma_sync_single_for_cpu(dev, host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
-
- host->dma_dev = dev;
- return 0;
-}
-
-static void mmc_spi_dma_free(struct mmc_spi_host *host)
-{
- if (!host->dma_dev)
- return;
-
- dma_unmap_single(host->dma_dev, host->ones_dma, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- dma_unmap_single(host->dma_dev, host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
-}
-#else
-static inline int mmc_spi_dma_alloc(struct mmc_spi_host *host) { return 0; }
-static inline void mmc_spi_dma_free(struct mmc_spi_host *host) {}
-#endif
-
static int mmc_spi_probe(struct spi_device *spi)
{
void *ones;
@@ -1406,24 +1241,17 @@ static int mmc_spi_probe(struct spi_device *spi)
host->powerup_msecs = 250;
}

- /* preallocate dma buffers */
+ /* Preallocate buffers */
host->data = kmalloc(sizeof(*host->data), GFP_KERNEL);
if (!host->data)
goto fail_nobuf1;

- status = mmc_spi_dma_alloc(host);
- if (status)
- goto fail_dma;
-
/* setup message for status/busy readback */
spi_message_init(&host->readback);
- host->readback.is_dma_mapped = (host->dma_dev != NULL);

spi_message_add_tail(&host->status, &host->readback);
host->status.tx_buf = host->ones;
- host->status.tx_dma = host->ones_dma;
host->status.rx_buf = &host->data->status;
- host->status.rx_dma = host->data_dma + offsetof(struct scratch, status);
host->status.cs_change = 1;

/* register card detect irq */
@@ -1468,9 +1296,8 @@ static int mmc_spi_probe(struct spi_device *spi)
if (!status)
has_ro = true;

- dev_info(&spi->dev, "SD/MMC host %s%s%s%s%s\n",
+ dev_info(&spi->dev, "SD/MMC host %s%s%s%s\n",
dev_name(&mmc->class_dev),
- host->dma_dev ? "" : ", no DMA",
has_ro ? "" : ", no WP",
(host->pdata && host->pdata->setpower)
? "" : ", no poweroff",
@@ -1481,8 +1308,6 @@ static int mmc_spi_probe(struct spi_device *spi)
fail_gpiod_request:
mmc_remove_host(mmc);
fail_glue_init:
- mmc_spi_dma_free(host);
-fail_dma:
kfree(host->data);
fail_nobuf1:
mmc_spi_put_pdata(spi);
@@ -1504,7 +1329,6 @@ static int mmc_spi_remove(struct spi_device *spi)

mmc_remove_host(mmc);

- mmc_spi_dma_free(host);
kfree(host->data);
kfree(host->ones);

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index b29393831a30..7091b018078b 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -973,7 +973,8 @@ static int alb_upper_dev_walk(struct net_device *upper,
if (netif_is_macvlan(upper) && !strict_match) {
tags = bond_verify_device_path(bond->dev, upper, 0);
if (IS_ERR_OR_NULL(tags))
- BUG();
+ return -ENOMEM;
+
alb_send_lp_vid(slave, upper->dev_addr,
tags[0].vlan_proto, tags[0].vlan_id);
kfree(tags);
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 8271b8aa7b71..6b7307edaf17 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -578,8 +578,8 @@ struct mv88e6xxx_ops {
int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
int (*serdes_get_strings)(struct mv88e6xxx_chip *chip, int port,
uint8_t *data);
- int (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+ size_t (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);

/* SERDES registers for ethtool */
int (*serdes_get_regs_len)(struct mv88e6xxx_chip *chip, int port);
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 6ae7a0ed9e0b..e0e1a1b07886 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -338,8 +338,8 @@ static uint64_t mv88e6352_serdes_get_stat(struct mv88e6xxx_chip *chip,
return val;
}

-int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data)
+size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data)
{
struct mv88e6xxx_port *mv88e6xxx_port = &chip->ports[port];
struct mv88e6352_serdes_hw_stat *stat;
@@ -787,8 +787,8 @@ static uint64_t mv88e6390_serdes_get_stat(struct mv88e6xxx_chip *chip, int lane,
return reg[0] | ((u64)reg[1] << 16) | ((u64)reg[2] << 32);
}

-int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data)
+size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data)
{
struct mv88e6390_serdes_hw_stat *stat;
int lane;
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index 8dd8ed225b45..02966e520dd6 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -163,13 +163,13 @@ irqreturn_t mv88e6393x_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip,
int port, uint8_t *data);
-int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);
int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip,
int port, uint8_t *data);
-int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);

int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 631639a19bad..3888561a5cc8 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -11925,6 +11925,11 @@ static int bnxt_fw_init_one_p1(struct bnxt *bp)

bp->fw_cap = 0;
rc = bnxt_hwrm_ver_get(bp);
+ /* FW may be unresponsive after FLR. FLR must complete within 100 msec
+ * so wait before continuing with recovery.
+ */
+ if (rc)
+ msleep(100);
bnxt_try_map_fw_health_reg(bp);
if (rc) {
rc = bnxt_try_recover_fw(bp);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 1c3f7efce8a7..a2b736a9d20c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1248,7 +1248,8 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev,
}
}

-static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)
+void bcmgenet_eee_enable_set(struct net_device *dev, bool enable,
+ bool tx_lpi_enabled)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
u32 off = priv->hw_params->tbuf_offset + TBUF_ENERGY_CTRL;
@@ -1268,7 +1269,7 @@ static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)

/* Enable EEE and switch to a 27Mhz clock automatically */
reg = bcmgenet_readl(priv->base + off);
- if (enable)
+ if (tx_lpi_enabled)
reg |= TBUF_EEE_EN | TBUF_PM_EN;
else
reg &= ~(TBUF_EEE_EN | TBUF_PM_EN);
@@ -1289,6 +1290,7 @@ static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)

priv->eee.eee_enabled = enable;
priv->eee.eee_active = enable;
+ priv->eee.tx_lpi_enabled = tx_lpi_enabled;
}

static int bcmgenet_get_eee(struct net_device *dev, struct ethtool_eee *e)
@@ -1304,6 +1306,7 @@ static int bcmgenet_get_eee(struct net_device *dev, struct ethtool_eee *e)

e->eee_enabled = p->eee_enabled;
e->eee_active = p->eee_active;
+ e->tx_lpi_enabled = p->tx_lpi_enabled;
e->tx_lpi_timer = bcmgenet_umac_readl(priv, UMAC_EEE_LPI_TIMER);

return phy_ethtool_get_eee(dev->phydev, e);
@@ -1313,7 +1316,6 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct ethtool_eee *p = &priv->eee;
- int ret = 0;

if (GENET_IS_V1(priv))
return -EOPNOTSUPP;
@@ -1324,16 +1326,11 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
p->eee_enabled = e->eee_enabled;

if (!p->eee_enabled) {
- bcmgenet_eee_enable_set(dev, false);
+ bcmgenet_eee_enable_set(dev, false, false);
} else {
- ret = phy_init_eee(dev->phydev, 0);
- if (ret) {
- netif_err(priv, hw, dev, "EEE initialization failed\n");
- return ret;
- }
-
+ p->eee_active = phy_init_eee(dev->phydev, false) >= 0;
bcmgenet_umac_writel(priv, e->tx_lpi_timer, UMAC_EEE_LPI_TIMER);
- bcmgenet_eee_enable_set(dev, true);
+ bcmgenet_eee_enable_set(dev, p->eee_active, e->tx_lpi_enabled);
}

return phy_ethtool_set_eee(dev->phydev, e);
@@ -4219,9 +4216,6 @@ static int bcmgenet_resume(struct device *d)
if (!device_may_wakeup(d))
phy_resume(dev->phydev);

- if (priv->eee.eee_enabled)
- bcmgenet_eee_enable_set(dev, true);
-
bcmgenet_netif_start(dev);

netif_device_attach(dev);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index 0a6d91b0f0aa..0eeb304a4263 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -701,4 +701,7 @@ int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv,
enum bcmgenet_power_mode mode);

+void bcmgenet_eee_enable_set(struct net_device *dev, bool enable,
+ bool tx_lpi_enabled);
+
#endif /* __BCMGENET_H__ */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index bfe90cacbd07..51f6c94e919e 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -25,6 +25,7 @@

#include "bcmgenet.h"

+
/* setup netdev link state when PHY link status change and
* update UMAC and RGMII block when link up
*/
@@ -102,6 +103,11 @@ void bcmgenet_mii_setup(struct net_device *dev)
reg |= CMD_TX_EN | CMD_RX_EN;
}
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
+
+ priv->eee.eee_active = phy_init_eee(phydev, 0) >= 0;
+ bcmgenet_eee_enable_set(dev,
+ priv->eee.eee_enabled && priv->eee.eee_active,
+ priv->eee.tx_lpi_enabled);
} else {
/* done if nothing has changed */
if (!status_changed)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 717d4bc5bac6..39875ccbaa0f 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1813,6 +1813,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)

/* if any of the above changed restart the FEC */
if (status_change) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
@@ -1822,6 +1823,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
}
} else {
if (fep->link) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_stop(ndev);
diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c
index ec394d991668..94e3b74a10f2 100644
--- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c
+++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c
@@ -350,6 +350,7 @@ static void gve_tx_fill_pkt_desc_dqo(struct gve_tx_ring *tx, u32 *desc_idx,
/* Validates and prepares `skb` for TSO.
*
* Returns header length, or < 0 if invalid.
+ * Warning : Might change skb->head (and thus skb_shinfo).
*/
static int gve_prep_tso(struct sk_buff *skb)
{
@@ -451,8 +452,8 @@ gve_tx_fill_general_ctx_desc(struct gve_tx_general_context_desc_dqo *desc,
static int gve_tx_add_skb_no_copy_dqo(struct gve_tx_ring *tx,
struct sk_buff *skb)
{
- const struct skb_shared_info *shinfo = skb_shinfo(skb);
const bool is_gso = skb_is_gso(skb);
+ struct skb_shared_info *shinfo;
u32 desc_idx = tx->dqo_tx.tail;

struct gve_tx_pending_packet_dqo *pkt;
@@ -477,6 +478,8 @@ static int gve_tx_add_skb_no_copy_dqo(struct gve_tx_ring *tx,
desc_idx = (desc_idx + 1) & tx->mask;
}

+ /* Must get after gve_prep_tso(), which can change shinfo. */
+ shinfo = skb_shinfo(skb);
gve_tx_fill_general_ctx_desc(&tx->dqo.tx_ring[desc_idx].general_ctx,
&metadata);
desc_idx = (desc_idx + 1) & tx->mask;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 10737418565f..3d2b92a952a6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5323,7 +5323,7 @@ static int i40e_pf_wait_queues_disabled(struct i40e_pf *pf)
{
int v, ret = 0;

- for (v = 0; v < pf->hw.func_caps.num_vsis; v++) {
+ for (v = 0; v < pf->num_alloc_vsi; v++) {
if (pf->vsi[v]) {
ret = i40e_vsi_wait_queues_disabled(pf->vsi[v]);
if (ret)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 4d23ff936ce4..9ff8bf346b9e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2603,6 +2603,14 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg)
int aq_ret = 0;
int i;

+ if (vf->is_disabled_from_host) {
+ aq_ret = -EPERM;
+ dev_info(&pf->pdev->dev,
+ "Admin has disabled VF %d, will not enable queues\n",
+ vf->vf_id);
+ goto error_param;
+ }
+
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
@@ -4630,9 +4638,12 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
struct i40e_link_status *ls = &pf->hw.phy.link_info;
struct virtchnl_pf_event pfe;
struct i40e_hw *hw = &pf->hw;
+ struct i40e_vsi *vsi;
+ unsigned long q_map;
struct i40e_vf *vf;
int abs_vf_id;
int ret = 0;
+ int tmp;

if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
@@ -4655,17 +4666,38 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
switch (link) {
case IFLA_VF_LINK_STATE_AUTO:
vf->link_forced = false;
+ vf->is_disabled_from_host = false;
+ /* reset needed to reinit VF resources */
+ i40e_vc_reset_vf(vf, true);
i40e_set_vf_link_state(vf, &pfe, ls);
break;
case IFLA_VF_LINK_STATE_ENABLE:
vf->link_forced = true;
vf->link_up = true;
+ vf->is_disabled_from_host = false;
+ /* reset needed to reinit VF resources */
+ i40e_vc_reset_vf(vf, true);
i40e_set_vf_link_state(vf, &pfe, ls);
break;
case IFLA_VF_LINK_STATE_DISABLE:
vf->link_forced = true;
vf->link_up = false;
i40e_set_vf_link_state(vf, &pfe, ls);
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+ q_map = BIT(vsi->num_queue_pairs) - 1;
+
+ vf->is_disabled_from_host = true;
+
+ /* Try to stop both Tx&Rx rings even if one of the calls fails
+ * to ensure we stop the rings even in case of errors.
+ * If any of them returns with an error then the first
+ * error that occurred will be returned.
+ */
+ tmp = i40e_ctrl_vf_tx_rings(vsi, q_map, false);
+ ret = i40e_ctrl_vf_rx_rings(vsi, q_map, false);
+
+ ret = tmp ? tmp : ret;
break;
default:
ret = -EINVAL;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
index bd497cc5303a..97e9c34d7c6c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
@@ -98,6 +98,7 @@ struct i40e_vf {
bool link_forced;
bool link_up; /* only valid if VF link is forced */
bool spoofchk;
+ bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
u16 num_vlan;

/* ADq related variables */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
index 95c92fe890a1..ed35e06537a0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
@@ -123,14 +123,14 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
if (ret_val)
return ret_val;
if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;

/* Check to see if SFP+ module is supported */
ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
&list_offset,
&data_offset);
if (ret_val)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
break;
default:
break;
@@ -213,7 +213,7 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
break;

default:
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}

return 0;
@@ -283,7 +283,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)

/* Validate the water mark configuration */
if (!hw->fc.pause_time)
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;

/* Low water mark of zero causes XOFF floods */
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
@@ -292,7 +292,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
if (!hw->fc.low_water[i] ||
hw->fc.low_water[i] >= hw->fc.high_water[i]) {
hw_dbg(hw, "Invalid water mark configuration\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
}
}
@@ -369,7 +369,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

/* Set 802.3x based flow control settings. */
@@ -438,7 +438,7 @@ static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autonegotiation did not complete.\n");
}
}
@@ -478,7 +478,7 @@ static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)

if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
hw_dbg(hw, "Link was indicated but link is down\n");
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}

return 0;
@@ -594,7 +594,7 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
speed &= link_capabilities;

if (speed == IXGBE_LINK_SPEED_UNKNOWN)
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;

/* Set KX4/KX support according to speed requested */
else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
@@ -701,9 +701,9 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)

/* Init PHY and function pointers, perform SFP setup */
phy_status = hw->phy.ops.init(hw);
- if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (phy_status == -EOPNOTSUPP)
return phy_status;
- if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (phy_status == -ENOENT)
goto mac_reset_top;

hw->phy.ops.reset(hw);
@@ -727,7 +727,7 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
udelay(1);
}
if (ctrl & IXGBE_CTRL_RST) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}

@@ -789,7 +789,7 @@ static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
@@ -814,7 +814,7 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
@@ -845,7 +845,7 @@ static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
u32 vftabyte;

if (vlan > 4095)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* Determine 32-bit word position in array */
regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
@@ -964,7 +964,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
gssr = IXGBE_GSSR_PHY0_SM;

if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

if (hw->phy.type == ixgbe_phy_nl) {
/*
@@ -993,7 +993,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,

if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
hw_dbg(hw, "EEPROM read did not pass.\n");
- status = IXGBE_ERR_SFP_NOT_PRESENT;
+ status = -ENOENT;
goto out;
}

@@ -1003,7 +1003,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,

*eeprom_data = (u8)(sfp_data >> 8);
} else {
- status = IXGBE_ERR_PHY;
+ status = -EIO;
}

out:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index 58ea959a4482..339e106a5732 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -117,7 +117,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
goto setup_sfp_err;
@@ -144,7 +144,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)

if (ret_val) {
hw_dbg(hw, " sfp module setup not complete\n");
- return IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
+ return -EIO;
}
}

@@ -159,7 +159,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
usleep_range(hw->eeprom.semaphore_delay * 1000,
hw->eeprom.semaphore_delay * 2000);
hw_err(hw, "eeprom read at offset %d failed\n", data_offset);
- return IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
+ return -EIO;
}

/**
@@ -184,7 +184,7 @@ static s32 prot_autoc_read_82599(struct ixgbe_hw *hw, bool *locked,
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

*locked = true;
}
@@ -219,7 +219,7 @@ static s32 prot_autoc_write_82599(struct ixgbe_hw *hw, u32 autoc, bool locked)
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

locked = true;
}
@@ -400,7 +400,7 @@ static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
break;

default:
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}

if (hw->phy.multispeed_fiber) {
@@ -541,7 +541,7 @@ static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autoneg did not complete.\n");
}
}
@@ -794,7 +794,7 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
speed &= link_capabilities;

if (speed == IXGBE_LINK_SPEED_UNKNOWN)
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;

/* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/
if (hw->mac.orig_link_settings_stored)
@@ -861,8 +861,7 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status =
- IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autoneg did not complete.\n");
}
}
@@ -927,7 +926,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
/* Identify PHY and related function pointers */
status = hw->phy.ops.init(hw);

- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;

/* Setup SFP module if there is one present. */
@@ -936,7 +935,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
hw->phy.sfp_setup_needed = false;
}

- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;

/* Reset PHY */
@@ -974,7 +973,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
}

if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}

@@ -1093,7 +1092,7 @@ static s32 ixgbe_fdir_check_cmd_complete(struct ixgbe_hw *hw, u32 *fdircmd)
udelay(10);
}

- return IXGBE_ERR_FDIR_CMD_INCOMPLETE;
+ return -EIO;
}

/**
@@ -1155,7 +1154,7 @@ s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw)
}
if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
hw_dbg(hw, "Flow Director Signature poll time exceeded!\n");
- return IXGBE_ERR_FDIR_REINIT_FAILED;
+ return -EIO;
}

/* Clear FDIR statistics registers (read to clear) */
@@ -1387,7 +1386,7 @@ s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on flow type input\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

/* configure FDIRCMD register */
@@ -1546,7 +1545,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on vm pool mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

switch (input_mask->formatted.flow_type & IXGBE_ATR_L4TYPE_MASK) {
@@ -1555,14 +1554,14 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
if (input_mask->formatted.dst_port ||
input_mask->formatted.src_port) {
hw_dbg(hw, " Error on src/dst port mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
break;
case IXGBE_ATR_L4TYPE_MASK:
break;
default:
hw_dbg(hw, " Error on flow type mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

switch (ntohs(input_mask->formatted.vlan_id) & 0xEFFF) {
@@ -1583,7 +1582,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on VLAN mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

switch ((__force u16)input_mask->formatted.flex_bytes & 0xFFFF) {
@@ -1595,7 +1594,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on flexible byte mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

/* Now mask VM pool and destination IPv6 - bits 5 and 2 */
@@ -1824,7 +1823,7 @@ static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)

/* Return error if SFP module has been detected but is not supported */
if (hw->phy.type == ixgbe_phy_sfp_unsupported)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;

return status;
}
@@ -1863,13 +1862,13 @@ static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
* Verifies that installed the firmware version is 0.6 or higher
* for SFI devices. All 82599 SFI devices should have version 0.6 or higher.
*
- * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or
- * if the FW version is not supported.
+ * Return: -EACCES if the FW is not present or if the FW version is
+ * not supported.
**/
static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
{
- s32 status = IXGBE_ERR_EEPROM_VERSION;
u16 fw_offset, fw_ptp_cfg_offset;
+ s32 status = -EACCES;
u16 offset;
u16 fw_version = 0;

@@ -1883,7 +1882,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
goto fw_version_err;

if (fw_offset == 0 || fw_offset == 0xFFFF)
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;

/* get the offset to the Pass Through Patch Configuration block */
offset = fw_offset + IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR;
@@ -1891,7 +1890,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
goto fw_version_err;

if (fw_ptp_cfg_offset == 0 || fw_ptp_cfg_offset == 0xFFFF)
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;

/* get the firmware version */
offset = fw_ptp_cfg_offset + IXGBE_FW_PATCH_VERSION_4;
@@ -1905,7 +1904,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)

fw_version_err:
hw_err(hw, "eeprom read at offset %d failed\n", offset);
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;
}

/**
@@ -2038,7 +2037,7 @@ static s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw)

if (!(anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)) {
hw_dbg(hw, "auto negotiation not completed\n");
- ret_val = IXGBE_ERR_RESET_FAILED;
+ ret_val = -EIO;
goto reset_pipeline_out;
}

@@ -2087,7 +2086,7 @@ static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,

if (!timeout) {
hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
goto release_i2c_access;
}
}
@@ -2141,7 +2140,7 @@ static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,

if (!timeout) {
hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
goto release_i2c_access;
}
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index e90b5047e695..033630d3c26e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -30,7 +30,7 @@ static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
u16 words, u16 *data);
static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
u16 offset);
-static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw);
+static s32 ixgbe_disable_pcie_primary(struct ixgbe_hw *hw);

/* Base table for registers values that change by MAC */
const u32 ixgbe_mvals_8259X[IXGBE_MVALS_IDX_LIMIT] = {
@@ -124,7 +124,7 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw)
*/
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_dbg(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}

/*
@@ -215,7 +215,7 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

if (hw->mac.type != ixgbe_mac_X540) {
@@ -500,7 +500,7 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,

if (pba_num == NULL) {
hw_dbg(hw, "PBA string buffer was null\n");
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data);
@@ -526,7 +526,7 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
/* we will need 11 characters to store the PBA */
if (pba_num_size < 11) {
hw_dbg(hw, "PBA string buffer too small\n");
- return IXGBE_ERR_NO_SPACE;
+ return -ENOSPC;
}

/* extract hex string from data and pba_ptr */
@@ -563,13 +563,13 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,

if (length == 0xFFFF || length == 0) {
hw_dbg(hw, "NVM PBA number section invalid length\n");
- return IXGBE_ERR_PBA_SECTION;
+ return -EIO;
}

/* check if pba_num buffer is big enough */
if (pba_num_size < (((u32)length * 2) - 1)) {
hw_dbg(hw, "PBA string buffer too small\n");
- return IXGBE_ERR_NO_SPACE;
+ return -ENOSPC;
}

/* trim pba length from start of string */
@@ -746,10 +746,10 @@ s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw)
usleep_range(1000, 2000);

/*
- * Prevent the PCI-E bus from from hanging by disabling PCI-E master
+ * Prevent the PCI-E bus from hanging by disabling PCI-E primary
* access and verify no pending requests
*/
- return ixgbe_disable_pcie_master(hw);
+ return ixgbe_disable_pcie_primary(hw);
}

/**
@@ -805,7 +805,7 @@ s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index)
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* To turn on the LED, set mode to ON. */
led_reg &= ~IXGBE_LED_MODE_MASK(index);
@@ -826,7 +826,7 @@ s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index)
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* To turn off the LED, set mode to OFF. */
led_reg &= ~IXGBE_LED_MODE_MASK(index);
@@ -904,11 +904,8 @@ s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,

hw->eeprom.ops.init_params(hw);

- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset + words > hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || (offset + words > hw->eeprom.word_size))
+ return -EINVAL;

/*
* The EEPROM page size cannot be queried from the chip. We do lazy
@@ -962,7 +959,7 @@ static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,

if (ixgbe_ready_eeprom(hw) != 0) {
ixgbe_release_eeprom(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

for (i = 0; i < words; i++) {
@@ -1028,7 +1025,7 @@ s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
hw->eeprom.ops.init_params(hw);

if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ return -EINVAL;

return ixgbe_write_eeprom_buffer_bit_bang(hw, offset, 1, &data);
}
@@ -1050,11 +1047,8 @@ s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,

hw->eeprom.ops.init_params(hw);

- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset + words > hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || (offset + words > hw->eeprom.word_size))
+ return -EINVAL;

/*
* We cannot hold synchronization semaphores for too long
@@ -1099,7 +1093,7 @@ static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,

if (ixgbe_ready_eeprom(hw) != 0) {
ixgbe_release_eeprom(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

for (i = 0; i < words; i++) {
@@ -1142,7 +1136,7 @@ s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);

if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ return -EINVAL;

return ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
}
@@ -1165,11 +1159,8 @@ s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,

hw->eeprom.ops.init_params(hw);

- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || offset >= hw->eeprom.word_size)
+ return -EINVAL;

for (i = 0; i < words; i++) {
eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
@@ -1262,11 +1253,8 @@ s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,

hw->eeprom.ops.init_params(hw);

- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || offset >= hw->eeprom.word_size)
+ return -EINVAL;

for (i = 0; i < words; i++) {
eewr = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
@@ -1328,7 +1316,7 @@ static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
}
udelay(5);
}
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/**
@@ -1344,7 +1332,7 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
u32 i;

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw));

@@ -1366,7 +1354,7 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
hw_dbg(hw, "Could not acquire EEPROM grant\n");

hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/* Setup EEPROM for Read/Write */
@@ -1419,7 +1407,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
swsm = IXGBE_READ_REG(hw, IXGBE_SWSM(hw));
if (swsm & IXGBE_SWSM_SMBI) {
hw_dbg(hw, "Software semaphore SMBI between device drivers not granted.\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
}

@@ -1447,7 +1435,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
if (i >= timeout) {
hw_dbg(hw, "SWESMBI Software EEPROM semaphore not granted.\n");
ixgbe_release_eeprom_semaphore(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

return 0;
@@ -1503,7 +1491,7 @@ static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw)
*/
if (i >= IXGBE_EEPROM_MAX_RETRY_SPI) {
hw_dbg(hw, "SPI EEPROM Status error\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

return 0;
@@ -1715,7 +1703,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
if (hw->eeprom.ops.read(hw, i, &pointer)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/* If the pointer seems invalid */
@@ -1724,7 +1712,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)

if (hw->eeprom.ops.read(hw, pointer, &length)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

if (length == 0xFFFF || length == 0)
@@ -1733,7 +1721,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
for (j = pointer + 1; j <= pointer + length; j++) {
if (hw->eeprom.ops.read(hw, j, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -1786,7 +1774,7 @@ s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
* calculated checksum
*/
if (read_checksum != checksum)
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;

/* If the user cares, return the calculated checksum */
if (checksum_val)
@@ -1845,7 +1833,7 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", index);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

/* setup VMDq pool selection before this RAR gets enabled */
@@ -1897,7 +1885,7 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", index);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

/*
@@ -2146,7 +2134,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)

/* Validate the water mark configuration. */
if (!hw->fc.pause_time)
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;

/* Low water mark of zero causes XOFF floods */
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
@@ -2155,7 +2143,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
if (!hw->fc.low_water[i] ||
hw->fc.low_water[i] >= hw->fc.high_water[i]) {
hw_dbg(hw, "Invalid water mark configuration\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
}
}
@@ -2212,7 +2200,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

/* Set 802.3x based flow control settings. */
@@ -2269,7 +2257,7 @@ s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
{
if ((!(adv_reg)) || (!(lp_reg)))
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EINVAL;

if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
/*
@@ -2321,7 +2309,7 @@ static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
if ((!!(linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
(!!(linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1))
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;

pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
@@ -2353,12 +2341,12 @@ static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
*/
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
if ((links & IXGBE_LINKS_KX_AN_COMP) == 0)
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;

if (hw->mac.type == ixgbe_mac_82599EB) {
links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;
}
/*
* Read the 10g AN autoc and LP ability registers and resolve
@@ -2407,8 +2395,8 @@ static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
**/
void ixgbe_fc_autoneg(struct ixgbe_hw *hw)
{
- s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
+ s32 ret_val = -EIO;
bool link_up;

/*
@@ -2506,15 +2494,15 @@ static u32 ixgbe_pcie_timeout_poll(struct ixgbe_hw *hw)
}

/**
- * ixgbe_disable_pcie_master - Disable PCI-express master access
+ * ixgbe_disable_pcie_primary - Disable PCI-express primary access
* @hw: pointer to hardware structure
*
- * Disables PCI-Express master access and verifies there are no pending
- * requests. IXGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable
- * bit hasn't caused the master requests to be disabled, else 0
- * is returned signifying master requests disabled.
+ * Disables PCI-Express primary access and verifies there are no pending
+ * requests. -EALREADY is returned if primary disable
+ * bit hasn't caused the primary requests to be disabled, else 0
+ * is returned signifying primary requests disabled.
**/
-static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
+static s32 ixgbe_disable_pcie_primary(struct ixgbe_hw *hw)
{
u32 i, poll;
u16 value;
@@ -2523,23 +2511,23 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
IXGBE_WRITE_REG(hw, IXGBE_CTRL, IXGBE_CTRL_GIO_DIS);

/* Poll for bit to read as set */
- for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ for (i = 0; i < IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT; i++) {
if (IXGBE_READ_REG(hw, IXGBE_CTRL) & IXGBE_CTRL_GIO_DIS)
break;
usleep_range(100, 120);
}
- if (i >= IXGBE_PCI_MASTER_DISABLE_TIMEOUT) {
+ if (i >= IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT) {
hw_dbg(hw, "GIO disable did not set - requesting resets\n");
goto gio_disable_fail;
}

- /* Exit if master requests are blocked */
+ /* Exit if primary requests are blocked */
if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO) ||
ixgbe_removed(hw->hw_addr))
return 0;

- /* Poll for master request bit to clear */
- for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ /* Poll for primary request bit to clear */
+ for (i = 0; i < IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT; i++) {
udelay(100);
if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO))
return 0;
@@ -2547,13 +2535,13 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)

/*
* Two consecutive resets are required via CTRL.RST per datasheet
- * 5.2.5.3.2 Master Disable. We set a flag to inform the reset routine
- * of this need. The first reset prevents new master requests from
+ * 5.2.5.3.2 Primary Disable. We set a flag to inform the reset routine
+ * of this need. The first reset prevents new primary requests from
* being issued by our device. We then must wait 1usec or more for any
* remaining completions from the PCIe bus to trickle in, and then reset
* again to clear out any effects they may have had on our device.
*/
- hw_dbg(hw, "GIO Master Disable bit didn't clear - requesting resets\n");
+ hw_dbg(hw, "GIO Primary Disable bit didn't clear - requesting resets\n");
gio_disable_fail:
hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;

@@ -2575,7 +2563,7 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
}

hw_dbg(hw, "PCIe transaction pending bit also did not clear.\n");
- return IXGBE_ERR_MASTER_REQUESTS_PENDING;
+ return -EALREADY;
}

/**
@@ -2600,7 +2588,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask)
* SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_eeprom_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
if (!(gssr & (fwmask | swmask))) {
@@ -2620,7 +2608,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask)
ixgbe_release_swfw_sync(hw, gssr & (fwmask | swmask));

usleep_range(5000, 10000);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

/**
@@ -2757,7 +2745,7 @@ s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
s32 ret_val;

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/*
* Link must be up to auto-blink the LEDs;
@@ -2803,7 +2791,7 @@ s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
s32 ret_val;

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

ret_val = hw->mac.ops.prot_autoc_read(hw, &locked, &autoc_reg);
if (ret_val)
@@ -2963,7 +2951,7 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
@@ -3014,7 +3002,7 @@ s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

if (vmdq < 32) {
@@ -3091,7 +3079,7 @@ static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass)
* will simply bypass the VLVF if there are no entries present in the
* VLVF that contain our VLAN
*/
- first_empty_slot = vlvf_bypass ? IXGBE_ERR_NO_SPACE : 0;
+ first_empty_slot = vlvf_bypass ? -ENOSPC : 0;

/* add VLAN enable bit for comparison */
vlan |= IXGBE_VLVF_VIEN;
@@ -3115,7 +3103,7 @@ static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass)
if (!first_empty_slot)
hw_dbg(hw, "No space in VLVF.\n");

- return first_empty_slot ? : IXGBE_ERR_NO_SPACE;
+ return first_empty_slot ? : -ENOSPC;
}

/**
@@ -3135,7 +3123,7 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
s32 vlvf_index;

if ((vlan > 4095) || (vind > 63))
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/*
* this is a 2 part operation - first the VFTA, then the
@@ -3596,7 +3584,8 @@ u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
*
* Communicates with the manageability block. On success return 0
* else returns semaphore error when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * semaphore, -EINVAL when incorrect parameters passed or -EIO when
+ * command fails.
*
* This function assumes that the IXGBE_GSSR_SW_MNG_SM semaphore is held
* by the caller.
@@ -3609,7 +3598,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,

if (!length || length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
hw_dbg(hw, "Buffer length failure buffersize-%d.\n", length);
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EINVAL;
}

/* Set bit 9 of FWSTS clearing FW reset indication */
@@ -3620,13 +3609,13 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
hicr = IXGBE_READ_REG(hw, IXGBE_HICR);
if (!(hicr & IXGBE_HICR_EN)) {
hw_dbg(hw, "IXGBE_HOST_EN bit disabled.\n");
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
}

/* Calculate length in DWORDs. We must be DWORD aligned */
if (length % sizeof(u32)) {
hw_dbg(hw, "Buffer length failure, not aligned to dword");
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}

dword_len = length >> 2;
@@ -3651,7 +3640,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
/* Check command successful completion. */
if ((timeout && i == timeout) ||
!(IXGBE_READ_REG(hw, IXGBE_HICR) & IXGBE_HICR_SV))
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;

return 0;
}
@@ -3671,7 +3660,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
* in these cases.
*
* Communicates with the manageability block. On success return 0
- * else return IXGBE_ERR_HOST_INTERFACE_COMMAND.
+ * else return -EIO or -EINVAL.
**/
s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,
u32 length, u32 timeout,
@@ -3686,7 +3675,7 @@ s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,

if (!length || length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
hw_dbg(hw, "Buffer length failure buffersize-%d.\n", length);
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EINVAL;
}
/* Take management host interface semaphore */
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_SW_MNG_SM);
@@ -3716,7 +3705,7 @@ s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,

if (length < round_up(buf_len, 4) + hdr_size) {
hw_dbg(hw, "Buffer not large enough for reply message.\n");
- status = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ status = -EIO;
goto rel_out;
}

@@ -3747,8 +3736,8 @@ s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,
*
* Sends driver version number to firmware through the manageability
* block. On success return 0
- * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * else returns -EBUSY when encountering an error acquiring
+ * semaphore or -EIO when command fails.
**/
s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
u8 build, u8 sub, __always_unused u16 len,
@@ -3784,7 +3773,7 @@ s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
FW_CEM_RESP_STATUS_SUCCESS)
ret_val = 0;
else
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ ret_val = -EIO;

break;
}
@@ -3882,14 +3871,14 @@ static s32 ixgbe_get_ets_data(struct ixgbe_hw *hw, u16 *ets_cfg,
return status;

if ((*ets_offset == 0x0000) || (*ets_offset == 0xFFFF))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;

status = hw->eeprom.ops.read(hw, *ets_offset, ets_cfg);
if (status)
return status;

if ((*ets_cfg & IXGBE_ETS_TYPE_MASK) != IXGBE_ETS_TYPE_EMC_SHIFTED)
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;

return 0;
}
@@ -3912,7 +3901,7 @@ s32 ixgbe_get_thermal_sensor_data_generic(struct ixgbe_hw *hw)

/* Only support thermal sensors attached to physical port 0 */
if ((IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;

status = ixgbe_get_ets_data(hw, &ets_cfg, &ets_offset);
if (status)
@@ -3972,7 +3961,7 @@ s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw)

/* Only support thermal sensors attached to physical port 0 */
if ((IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;

status = ixgbe_get_ets_data(hw, &ets_cfg, &ets_offset);
if (status)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index c829cb65171c..d00b0e85f0b2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -3338,7 +3338,7 @@ static int ixgbe_get_module_eeprom(struct net_device *dev,
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
struct ixgbe_hw *hw = &adapter->hw;
- s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
+ s32 status = -EFAULT;
u8 databyte = 0xFF;
int i = 0;

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 819169eaebe9..cb9e9d70b338 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2758,7 +2758,6 @@ static void ixgbe_check_overtemp_subtask(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 eicr = adapter->interrupt_event;
- s32 rc;

if (test_bit(__IXGBE_DOWN, &adapter->state))
return;
@@ -2792,14 +2791,13 @@ static void ixgbe_check_overtemp_subtask(struct ixgbe_adapter *adapter)
}

/* Check if this is not due to overtemp */
- if (hw->phy.ops.check_overtemp(hw) != IXGBE_ERR_OVERTEMP)
+ if (!hw->phy.ops.check_overtemp(hw))
return;

break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
- rc = hw->phy.ops.check_overtemp(hw);
- if (rc != IXGBE_ERR_OVERTEMP)
+ if (!hw->phy.ops.check_overtemp(hw))
return;
break;
default:
@@ -5514,7 +5512,7 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
{
u32 speed;
bool autoneg, link_up = false;
- int ret = IXGBE_ERR_LINK_SETUP;
+ int ret = -EIO;

if (hw->mac.ops.check_link)
ret = hw->mac.ops.check_link(hw, &speed, &link_up, false);
@@ -5940,13 +5938,13 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
err = hw->mac.ops.init_hw(hw);
switch (err) {
case 0:
- case IXGBE_ERR_SFP_NOT_PRESENT:
- case IXGBE_ERR_SFP_NOT_SUPPORTED:
+ case -ENOENT:
+ case -EOPNOTSUPP:
break;
- case IXGBE_ERR_MASTER_REQUESTS_PENDING:
- e_dev_err("master disable timed out\n");
+ case -EALREADY:
+ e_dev_err("primary disable timed out\n");
break;
- case IXGBE_ERR_EEPROM_VERSION:
+ case -EACCES:
/* We are running on a pre-production device, log a warning */
e_dev_warn("This device is a pre-production adapter/LOM. "
"Please be aware there may be issues associated with "
@@ -7736,10 +7734,10 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
adapter->sfp_poll_time = jiffies + IXGBE_SFP_POLL_JIFFIES - 1;

err = hw->phy.ops.identify_sfp(hw);
- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (err == -EOPNOTSUPP)
goto sfp_out;

- if (err == IXGBE_ERR_SFP_NOT_PRESENT) {
+ if (err == -ENOENT) {
/* If no cable is present, then we need to reset
* the next time we find a good cable. */
adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
@@ -7765,7 +7763,7 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
else
err = hw->mac.ops.setup_sfp(hw);

- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (err == -EOPNOTSUPP)
goto sfp_out;

adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
@@ -7774,8 +7772,8 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
sfp_out:
clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);

- if ((err == IXGBE_ERR_SFP_NOT_SUPPORTED) &&
- (adapter->netdev->reg_state == NETREG_REGISTERED)) {
+ if (err == -EOPNOTSUPP &&
+ adapter->netdev->reg_state == NETREG_REGISTERED) {
e_dev_err("failed to initialize because an unsupported "
"SFP+ module type was detected.\n");
e_dev_err("Reload the driver after installing a "
@@ -7845,7 +7843,7 @@ static void ixgbe_service_timer(struct timer_list *t)
static void ixgbe_phy_interrupt_subtask(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 status;
+ bool overtemp;

if (!(adapter->flags2 & IXGBE_FLAG2_PHY_INTERRUPT))
return;
@@ -7855,11 +7853,9 @@ static void ixgbe_phy_interrupt_subtask(struct ixgbe_adapter *adapter)
if (!hw->phy.ops.handle_lasi)
return;

- status = hw->phy.ops.handle_lasi(&adapter->hw);
- if (status != IXGBE_ERR_OVERTEMP)
- return;
-
- e_crit(drv, "%s\n", ixgbe_overheat_msg);
+ hw->phy.ops.handle_lasi(&adapter->hw, &overtemp);
+ if (overtemp)
+ e_crit(drv, "%s\n", ixgbe_overheat_msg);
}

static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter)
@@ -10782,9 +10778,9 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = hw->mac.ops.reset_hw(hw);
hw->phy.reset_if_overtemp = false;
ixgbe_set_eee_capable(adapter);
- if (err == IXGBE_ERR_SFP_NOT_PRESENT) {
+ if (err == -ENOENT) {
err = 0;
- } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
+ } else if (err == -EOPNOTSUPP) {
e_dev_err("failed to load because an unsupported SFP+ or QSFP module type was detected.\n");
e_dev_err("Reload the driver after installing a supported module.\n");
goto err_sw_init;
@@ -11001,7 +10997,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

/* reset the hardware with the new settings */
err = hw->mac.ops.start_hw(hw);
- if (err == IXGBE_ERR_EEPROM_VERSION) {
+ if (err == -EACCES) {
/* We are running on a pre-production device, log a warning */
e_dev_warn("This device is a pre-production adapter/LOM. "
"Please be aware there may be issues associated "
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
index 5679293e53f7..fe7ef5773369 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
@@ -24,7 +24,7 @@ s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
size = mbx->size;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

return mbx->ops->read(hw, msg, size, mbx_id);
}
@@ -43,10 +43,10 @@ s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;

if (size > mbx->size)
- return IXGBE_ERR_MBX;
+ return -EINVAL;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

return mbx->ops->write(hw, msg, size, mbx_id);
}
@@ -63,7 +63,7 @@ s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

return mbx->ops->check_for_msg(hw, mbx_id);
}
@@ -80,7 +80,7 @@ s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

return mbx->ops->check_for_ack(hw, mbx_id);
}
@@ -97,7 +97,7 @@ s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

return mbx->ops->check_for_rst(hw, mbx_id);
}
@@ -115,12 +115,12 @@ static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
int countdown = mbx->timeout;

if (!countdown || !mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

while (mbx->ops->check_for_msg(hw, mbx_id)) {
countdown--;
if (!countdown)
- return IXGBE_ERR_MBX;
+ return -EIO;
udelay(mbx->usec_delay);
}

@@ -140,12 +140,12 @@ static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
int countdown = mbx->timeout;

if (!countdown || !mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

while (mbx->ops->check_for_ack(hw, mbx_id)) {
countdown--;
if (!countdown)
- return IXGBE_ERR_MBX;
+ return -EIO;
udelay(mbx->usec_delay);
}

@@ -169,7 +169,7 @@ static s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
s32 ret_val;

if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;

ret_val = ixgbe_poll_for_msg(hw, mbx_id);
if (ret_val)
@@ -197,7 +197,7 @@ static s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,

/* exit if either we can't write or there isn't a defined timeout */
if (!mbx->ops || !mbx->timeout)
- return IXGBE_ERR_MBX;
+ return -EIO;

/* send msg */
ret_val = mbx->ops->write(hw, msg, size, mbx_id);
@@ -217,7 +217,7 @@ static s32 ixgbe_check_for_bit_pf(struct ixgbe_hw *hw, u32 mask, s32 index)
return 0;
}

- return IXGBE_ERR_MBX;
+ return -EIO;
}

/**
@@ -238,7 +238,7 @@ static s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}

- return IXGBE_ERR_MBX;
+ return -EIO;
}

/**
@@ -259,7 +259,7 @@ static s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}

- return IXGBE_ERR_MBX;
+ return -EIO;
}

/**
@@ -295,7 +295,7 @@ static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}

- return IXGBE_ERR_MBX;
+ return -EIO;
}

/**
@@ -317,7 +317,7 @@ static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number)
if (p2v_mailbox & IXGBE_PFMAILBOX_PFU)
return 0;

- return IXGBE_ERR_MBX;
+ return -EIO;
}

/**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
index a148534d7256..def067b15873 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
@@ -7,7 +7,6 @@
#include "ixgbe_type.h"

#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
-#define IXGBE_ERR_MBX -100

#define IXGBE_VFMAILBOX 0x002FC
#define IXGBE_VFMBMEM 0x00200
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 123dca9ce468..305afb82388b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -102,7 +102,7 @@ s32 ixgbe_read_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
csum = ~csum;
do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
ixgbe_i2c_start(hw);
/* Device Address and write indication */
if (ixgbe_out_i2c_byte_ack(hw, addr))
@@ -150,7 +150,7 @@ s32 ixgbe_read_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
hw_dbg(hw, "I2C byte read combined error.\n");
} while (retry < max_retry);

- return IXGBE_ERR_I2C;
+ return -EIO;
}

/**
@@ -179,7 +179,7 @@ s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
csum = ~csum;
do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
ixgbe_i2c_start(hw);
/* Device Address and write indication */
if (ixgbe_out_i2c_byte_ack(hw, addr))
@@ -215,7 +215,7 @@ s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
hw_dbg(hw, "I2C byte write combined error.\n");
} while (retry < max_retry);

- return IXGBE_ERR_I2C;
+ return -EIO;
}

/**
@@ -262,8 +262,8 @@ static bool ixgbe_probe_phy(struct ixgbe_hw *hw, u16 phy_addr)
**/
s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
{
+ u32 status = -EFAULT;
u32 phy_addr;
- u32 status = IXGBE_ERR_PHY_ADDR_INVALID;

if (!hw->phy.phy_semaphore_mask) {
if (hw->bus.lan_id)
@@ -282,7 +282,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
if (ixgbe_probe_phy(hw, phy_addr))
return 0;
else
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;
}

for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
@@ -408,8 +408,7 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
return status;

/* Don't reset PHY if it's shut down due to overtemp. */
- if (!hw->phy.reset_if_overtemp &&
- (IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw)))
+ if (!hw->phy.reset_if_overtemp && hw->phy.ops.check_overtemp(hw))
return 0;

/* Blocked by MNG FW so bail */
@@ -457,7 +456,7 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)

if (ctrl & MDIO_CTRL1_RESET) {
hw_dbg(hw, "PHY reset polling failed to complete.\n");
- return IXGBE_ERR_RESET_FAILED;
+ return -EIO;
}

return 0;
@@ -500,7 +499,7 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,

if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY address command did not complete.\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/* Address cycle complete, setup and write the read
@@ -527,7 +526,7 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,

if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY read command didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/* Read operation is complete. Get the data
@@ -559,7 +558,7 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
phy_data);
hw->mac.ops.release_swfw_sync(hw, gssr);
} else {
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

return status;
@@ -604,7 +603,7 @@ s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,

if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY address cmd didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/*
@@ -632,7 +631,7 @@ s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,

if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY write cmd didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

return 0;
@@ -657,7 +656,7 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
phy_data);
hw->mac.ops.release_swfw_sync(hw, gssr);
} else {
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

return status;
@@ -1303,7 +1302,7 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)

if ((phy_data & MDIO_CTRL1_RESET) != 0) {
hw_dbg(hw, "PHY reset did not complete.\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/* Get init offsets */
@@ -1360,12 +1359,12 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
hw_dbg(hw, "SOL\n");
} else {
hw_dbg(hw, "Bad control value\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
break;
default:
hw_dbg(hw, "Bad control type\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
}

@@ -1373,7 +1372,7 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)

err_eeprom:
hw_err(hw, "eeprom read at offset %d failed\n", data_offset);
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/**
@@ -1391,10 +1390,10 @@ s32 ixgbe_identify_module_generic(struct ixgbe_hw *hw)
return ixgbe_identify_qsfp_module_generic(hw);
default:
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

/**
@@ -1419,7 +1418,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)

if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber) {
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

/* LAN ID is needed for sfp_type determination */
@@ -1434,7 +1433,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)

if (identifier != IXGBE_SFF_IDENTIFIER_SFP) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
status = hw->phy.ops.read_i2c_eeprom(hw,
IXGBE_SFF_1GBE_COMP_CODES,
@@ -1625,7 +1624,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1)) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}

/* Anything else 82598-based is supported */
@@ -1649,7 +1648,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
}
hw_dbg(hw, "SFP+ module not supported\n");
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;

@@ -1659,7 +1658,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
hw->phy.id = 0;
hw->phy.type = ixgbe_phy_unknown;
}
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

/**
@@ -1686,7 +1685,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)

if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber_qsfp) {
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

/* LAN ID is needed for sfp_type determination */
@@ -1700,7 +1699,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)

if (identifier != IXGBE_SFF_IDENTIFIER_QSFP_PLUS) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}

hw->phy.id = identifier;
@@ -1768,7 +1767,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
} else {
/* unsupported module type */
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
}

@@ -1828,7 +1827,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
}
hw_dbg(hw, "QSFP module not supported\n");
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;
}
@@ -1839,7 +1838,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
hw->phy.id = 0;
hw->phy.type = ixgbe_phy_unknown;

- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}

/**
@@ -1859,14 +1858,14 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 sfp_type = hw->phy.sfp_type;

if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;

if (hw->phy.sfp_type == ixgbe_sfp_type_not_present)
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;

if ((hw->device_id == IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM) &&
(hw->phy.sfp_type == ixgbe_sfp_type_da_cu))
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;

/*
* Limiting active cables and 1G Phys must be initialized as
@@ -1887,11 +1886,11 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
if (hw->eeprom.ops.read(hw, IXGBE_PHY_INIT_OFFSET_NL, list_offset)) {
hw_err(hw, "eeprom read at %d failed\n",
IXGBE_PHY_INIT_OFFSET_NL);
- return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT;
+ return -EIO;
}

if ((!*list_offset) || (*list_offset == 0xFFFF))
- return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT;
+ return -EIO;

/* Shift offset to first ID word */
(*list_offset)++;
@@ -1910,7 +1909,7 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
goto err_phy;
if ((!*data_offset) || (*data_offset == 0xFFFF)) {
hw_dbg(hw, "SFP+ module not supported\n");
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
} else {
break;
}
@@ -1923,14 +1922,14 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,

if (sfp_id == IXGBE_PHY_INIT_END_NL) {
hw_dbg(hw, "No matching SFP+ module found\n");
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}

return 0;

err_phy:
hw_err(hw, "eeprom read at offset %d failed\n", *list_offset);
- return IXGBE_ERR_PHY;
+ return -EIO;
}

/**
@@ -2025,7 +2024,7 @@ static s32 ixgbe_read_i2c_byte_generic_int(struct ixgbe_hw *hw, u8 byte_offset,

do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

ixgbe_i2c_start(hw);

@@ -2141,7 +2140,7 @@ static s32 ixgbe_write_i2c_byte_generic_int(struct ixgbe_hw *hw, u8 byte_offset,
u32 swfw_mask = hw->phy.phy_semaphore_mask;

if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

do {
ixgbe_i2c_start(hw);
@@ -2383,7 +2382,7 @@ static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw)

if (ack == 1) {
hw_dbg(hw, "I2C ack was not received.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
}

ixgbe_lower_i2c_clk(hw, &i2cctl);
@@ -2455,7 +2454,7 @@ static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data)
udelay(IXGBE_I2C_T_LOW);
} else {
hw_dbg(hw, "I2C data was not set to %X\n", data);
- return IXGBE_ERR_I2C;
+ return -EIO;
}

return 0;
@@ -2551,7 +2550,7 @@ static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)
*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));
if (data != ixgbe_get_i2c_data(hw, i2cctl)) {
hw_dbg(hw, "Error - I2C data was not set to %X.\n", data);
- return IXGBE_ERR_I2C;
+ return -EIO;
}

return 0;
@@ -2621,22 +2620,24 @@ static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw)
* @hw: pointer to hardware structure
*
* Checks if the LASI temp alarm status was triggered due to overtemp
+ *
+ * Return true when an overtemp event detected, otherwise false.
**/
-s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw)
+bool ixgbe_tn_check_overtemp(struct ixgbe_hw *hw)
{
u16 phy_data = 0;
+ u32 status;

if (hw->device_id != IXGBE_DEV_ID_82599_T3_LOM)
- return 0;
+ return false;

/* Check that the LASI temp alarm status was triggered */
- hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG,
- MDIO_MMD_PMAPMD, &phy_data);
-
- if (!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM))
- return 0;
+ status = hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG,
+ MDIO_MMD_PMAPMD, &phy_data);
+ if (status)
+ return false;

- return IXGBE_ERR_OVERTEMP;
+ return !!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM);
}

/** ixgbe_set_copper_phy_power - Control power for copper phy
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index 6544c4539c0d..ef72729d7c93 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -155,7 +155,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 *list_offset,
u16 *data_offset);
-s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
+bool ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 *data);
s32 ixgbe_read_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 5eba086690ef..0cd8bec6ae5e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1279,7 +1279,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
- retval = IXGBE_ERR_MBX;
+ retval = -EIO;
break;
}

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 2647937f7f4d..7c0358e0af44 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1247,7 +1247,7 @@ struct ixgbe_nvm_version {
#define IXGBE_PSRTYPE_RQPL_SHIFT 29

/* CTRL Bit Masks */
-#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Master Disable bit */
+#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Primary Disable bit */
#define IXGBE_CTRL_LNK_RST 0x00000008 /* Link Reset. Resets everything. */
#define IXGBE_CTRL_RST 0x04000000 /* Reset (SW) */
#define IXGBE_CTRL_RST_MASK (IXGBE_CTRL_LNK_RST | IXGBE_CTRL_RST)
@@ -1811,7 +1811,7 @@ enum {
/* STATUS Bit Masks */
#define IXGBE_STATUS_LAN_ID 0x0000000C /* LAN ID */
#define IXGBE_STATUS_LAN_ID_SHIFT 2 /* LAN ID Shift*/
-#define IXGBE_STATUS_GIO 0x00080000 /* GIO Master Enable Status */
+#define IXGBE_STATUS_GIO 0x00080000 /* GIO Primary Enable Status */

#define IXGBE_STATUS_LAN_ID_0 0x00000000 /* LAN ID 0 */
#define IXGBE_STATUS_LAN_ID_1 0x00000004 /* LAN ID 1 */
@@ -2193,8 +2193,8 @@ enum {
#define IXGBE_PCIDEVCTRL2_4_8s 0xd
#define IXGBE_PCIDEVCTRL2_17_34s 0xe

-/* Number of 100 microseconds we wait for PCI Express master disable */
-#define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800
+/* Number of 100 microseconds we wait for PCI Express primary disable */
+#define IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT 800

/* RAH */
#define IXGBE_RAH_VIND_MASK 0x003C0000
@@ -3502,10 +3502,10 @@ struct ixgbe_phy_operations {
s32 (*read_i2c_sff8472)(struct ixgbe_hw *, u8 , u8 *);
s32 (*read_i2c_eeprom)(struct ixgbe_hw *, u8 , u8 *);
s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8);
- s32 (*check_overtemp)(struct ixgbe_hw *);
+ bool (*check_overtemp)(struct ixgbe_hw *);
s32 (*set_phy_power)(struct ixgbe_hw *, bool on);
s32 (*enter_lplu)(struct ixgbe_hw *);
- s32 (*handle_lasi)(struct ixgbe_hw *hw);
+ s32 (*handle_lasi)(struct ixgbe_hw *hw, bool *);
s32 (*read_i2c_byte_unlocked)(struct ixgbe_hw *, u8 offset, u8 addr,
u8 *value);
s32 (*write_i2c_byte_unlocked)(struct ixgbe_hw *, u8 offset, u8 addr,
@@ -3658,45 +3658,6 @@ struct ixgbe_info {
const u32 *mvals;
};

-
-/* Error Codes */
-#define IXGBE_ERR_EEPROM -1
-#define IXGBE_ERR_EEPROM_CHECKSUM -2
-#define IXGBE_ERR_PHY -3
-#define IXGBE_ERR_CONFIG -4
-#define IXGBE_ERR_PARAM -5
-#define IXGBE_ERR_MAC_TYPE -6
-#define IXGBE_ERR_UNKNOWN_PHY -7
-#define IXGBE_ERR_LINK_SETUP -8
-#define IXGBE_ERR_ADAPTER_STOPPED -9
-#define IXGBE_ERR_INVALID_MAC_ADDR -10
-#define IXGBE_ERR_DEVICE_NOT_SUPPORTED -11
-#define IXGBE_ERR_MASTER_REQUESTS_PENDING -12
-#define IXGBE_ERR_INVALID_LINK_SETTINGS -13
-#define IXGBE_ERR_AUTONEG_NOT_COMPLETE -14
-#define IXGBE_ERR_RESET_FAILED -15
-#define IXGBE_ERR_SWFW_SYNC -16
-#define IXGBE_ERR_PHY_ADDR_INVALID -17
-#define IXGBE_ERR_I2C -18
-#define IXGBE_ERR_SFP_NOT_SUPPORTED -19
-#define IXGBE_ERR_SFP_NOT_PRESENT -20
-#define IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT -21
-#define IXGBE_ERR_NO_SAN_ADDR_PTR -22
-#define IXGBE_ERR_FDIR_REINIT_FAILED -23
-#define IXGBE_ERR_EEPROM_VERSION -24
-#define IXGBE_ERR_NO_SPACE -25
-#define IXGBE_ERR_OVERTEMP -26
-#define IXGBE_ERR_FC_NOT_NEGOTIATED -27
-#define IXGBE_ERR_FC_NOT_SUPPORTED -28
-#define IXGBE_ERR_SFP_SETUP_NOT_COMPLETE -30
-#define IXGBE_ERR_PBA_SECTION -31
-#define IXGBE_ERR_INVALID_ARGUMENT -32
-#define IXGBE_ERR_HOST_INTERFACE_COMMAND -33
-#define IXGBE_ERR_FDIR_CMD_INCOMPLETE -38
-#define IXGBE_ERR_FW_RESP_INVALID -39
-#define IXGBE_ERR_TOKEN_RETRY -40
-#define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF
-
#define IXGBE_FUSES0_GROUP(_i) (0x11158 + ((_i) * 4))
#define IXGBE_FUSES0_300MHZ BIT(5)
#define IXGBE_FUSES0_REV_MASK (3u << 6)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index d5cfb51ff648..15325c549d9b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -84,7 +84,7 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_dbg(hw, "semaphore failed with %d", status);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

ctrl = IXGBE_CTRL_RST;
@@ -103,7 +103,7 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
}

if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
msleep(100);
@@ -220,7 +220,7 @@ static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = ixgbe_read_eerd_generic(hw, offset, data);

@@ -243,7 +243,7 @@ static s32 ixgbe_read_eerd_buffer_X540(struct ixgbe_hw *hw,
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = ixgbe_read_eerd_buffer_generic(hw, offset, words, data);

@@ -264,7 +264,7 @@ static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = ixgbe_write_eewr_generic(hw, offset, data);

@@ -287,7 +287,7 @@ static s32 ixgbe_write_eewr_buffer_X540(struct ixgbe_hw *hw,
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = ixgbe_write_eewr_buffer_generic(hw, offset, words, data);

@@ -324,7 +324,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
for (i = 0; i < checksum_last_word; i++) {
if (ixgbe_read_eerd_generic(hw, i, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -349,7 +349,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)

if (ixgbe_read_eerd_generic(hw, pointer, &length)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/* Skip pointer section if length is invalid. */
@@ -360,7 +360,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
for (j = pointer + 1; j <= pointer + length; j++) {
if (ixgbe_read_eerd_generic(hw, j, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -397,7 +397,7 @@ static s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
}

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
@@ -418,7 +418,7 @@ static s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
*/
if (read_checksum != checksum) {
hw_dbg(hw, "Invalid EEPROM checksum");
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;
}

/* If the user cares, return the calculated checksum */
@@ -455,7 +455,7 @@ static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
}

if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
@@ -490,7 +490,7 @@ static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw)
s32 status;

status = ixgbe_poll_flash_update_done_X540(hw);
- if (status == IXGBE_ERR_EEPROM) {
+ if (status == -EIO) {
hw_dbg(hw, "Flash update time out\n");
return status;
}
@@ -540,7 +540,7 @@ static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw)
return 0;
udelay(5);
}
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/**
@@ -575,7 +575,7 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
* SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_swfw_sync_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC(hw));
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
@@ -599,7 +599,7 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
* bits in the SW_FW_SYNC register.
*/
if (ixgbe_get_swfw_sync_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC(hw));
if (swfw_sync & (fwmask | hwmask)) {
swfw_sync |= swmask;
@@ -622,11 +622,11 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
rmask |= IXGBE_GSSR_I2C_MASK;
ixgbe_release_swfw_sync_X540(hw, rmask);
ixgbe_release_swfw_sync_semaphore(hw);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
ixgbe_release_swfw_sync_semaphore(hw);

- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

/**
@@ -680,7 +680,7 @@ static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
if (i == timeout) {
hw_dbg(hw,
"Software semaphore SMBI between device drivers not granted.\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/* Now get the semaphore between SW/FW through the REGSMP bit */
@@ -697,7 +697,7 @@ static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
*/
hw_dbg(hw, "REGSMP Software NVM semaphore not granted\n");
ixgbe_release_swfw_sync_semaphore(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}

/**
@@ -768,7 +768,7 @@ s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
bool link_up;

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* Link should be up in order for the blink bit in the LED control
* register to work. Force link and speed in the MAC if link is down.
@@ -804,7 +804,7 @@ s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
u32 ledctl_reg;

if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* Restore the LED to its default value. */
ledctl_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index e4b50c7781ff..1d3f99e664dc 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -206,13 +206,13 @@ static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
}
if (retry == IXGBE_CS4227_RETRIES) {
hw_err(hw, "CS4227 reset did not complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
if (status || !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
hw_err(hw, "CS4227 EEPROM did not load successfully\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

return 0;
@@ -350,13 +350,13 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
}

static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
}

/**
@@ -463,7 +463,7 @@ s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity,
--retries;
} while (retries > 0);

- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
}

static const struct {
@@ -511,7 +511,7 @@ static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK;
hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK;
if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK)
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;

hw->phy.autoneg_advertised = hw->phy.speeds_supported;
hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL |
@@ -568,7 +568,7 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)

if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}

switch (hw->fc.requested_mode) {
@@ -600,8 +600,10 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup);
if (rc)
return rc;
+
if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN)
- return IXGBE_ERR_OVERTEMP;
+ return -EIO;
+
return 0;
}

@@ -675,7 +677,7 @@ static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
*ctrl = command;
if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
hw_dbg(hw, "IOSF wait timed out\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}

return 0;
@@ -715,7 +717,8 @@ static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to read, error %x\n", error);
- return IXGBE_ERR_PHY;
+ ret = -EIO;
+ goto out;
}

if (!ret)
@@ -750,9 +753,9 @@ static s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return 0;
if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
- return IXGBE_ERR_FW_RESP_INVALID;
+ return -EIO;

- return IXGBE_ERR_TOKEN_RETRY;
+ return -EAGAIN;
}

/**
@@ -778,7 +781,7 @@ static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)
return status;
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return 0;
- return IXGBE_ERR_FW_RESP_INVALID;
+ return -EIO;
}

/**
@@ -942,7 +945,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
local_buffer = buf;
} else {
if (buffer_size < ptr)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
local_buffer = &buffer[ptr];
}

@@ -960,7 +963,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
}

if (buffer && ((u32)start + (u32)length > buffer_size))
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

for (i = start; length; i++, length--) {
if (i == bufsz && !buffer) {
@@ -1012,7 +1015,7 @@ static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
local_buffer = eeprom_ptrs;
} else {
if (buffer_size < IXGBE_EEPROM_LAST_WORD)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
local_buffer = buffer;
}

@@ -1148,7 +1151,7 @@ static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
* calculated checksum
*/
if (read_checksum != checksum) {
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;
hw_dbg(hw, "Invalid EEPROM checksum");
}

@@ -1203,7 +1206,7 @@ static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
} else {
hw_dbg(hw, "write ee hostif failed to get semaphore");
- status = IXGBE_ERR_SWFW_SYNC;
+ status = -EBUSY;
}

return status;
@@ -1415,7 +1418,7 @@ static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to write, error %x\n", error);
- return IXGBE_ERR_PHY;
+ return -EIO;
}

out:
@@ -1558,7 +1561,7 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)

/* iXFI is only supported with X552 */
if (mac->type != ixgbe_mac_X550EM_x)
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;

/* Disable AN and force speed to 10G Serial. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
@@ -1580,7 +1583,7 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
break;
default:
/* Other link speeds are not supported by internal KR PHY. */
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
}

status = ixgbe_write_iosf_sb_reg_x550(hw,
@@ -1611,7 +1614,7 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
{
switch (hw->phy.sfp_type) {
case ixgbe_sfp_type_not_present:
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
case ixgbe_sfp_type_da_cu_core0:
case ixgbe_sfp_type_da_cu_core1:
*linear = true;
@@ -1630,7 +1633,7 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
case ixgbe_sfp_type_1g_cu_core0:
case ixgbe_sfp_type_1g_cu_core1:
default:
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}

return 0;
@@ -1660,7 +1663,7 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
* there is no reason to configure CS4227 and SFP not present error is
* not accepted in the setup MAC link flow.
*/
- if (status == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (status == -ENOENT)
return 0;

if (status)
@@ -1718,7 +1721,7 @@ static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
break;
default:
/* Other link speeds are not supported by internal PHY. */
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
}

status = mac->ops.write_iosf_sb_reg(hw,
@@ -1753,7 +1756,7 @@ ixgbe_setup_mac_link_sfp_n(struct ixgbe_hw *hw, ixgbe_link_speed speed,
/* If no SFP module present, then return success. Return success since
* SFP not present error is not excepted in the setup MAC link flow.
*/
- if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (ret_val == -ENOENT)
return 0;

if (ret_val)
@@ -1803,7 +1806,7 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
/* If no SFP module present, then return success. Return success since
* SFP not present error is not excepted in the setup MAC link flow.
*/
- if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (ret_val == -ENOENT)
return 0;

if (ret_val)
@@ -1813,7 +1816,7 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
ixgbe_setup_kr_speed_x550em(hw, speed);

if (hw->phy.mdio.prtad == MDIO_PRTAD_NONE)
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;

/* Get external PHY SKU id */
ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
@@ -1912,7 +1915,7 @@ static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw,
u16 i, autoneg_status;

if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
- return IXGBE_ERR_CONFIG;
+ return -EIO;

status = ixgbe_check_mac_link_generic(hw, speed, link_up,
link_up_wait_to_complete);
@@ -2095,9 +2098,9 @@ static s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed,
*/
static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
{
- s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
ixgbe_link_speed speed;
+ s32 status = -EIO;
bool link_up;

/* AN should have completed when the cable was plugged in.
@@ -2115,7 +2118,7 @@ static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
/* Check if auto-negotiation has completed */
status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
if (status || !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
- status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ status = -EIO;
goto out;
}

@@ -2319,18 +2322,18 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
* @hw: pointer to hardware structure
* @lsc: pointer to boolean flag which indicates whether external Base T
* PHY interrupt is lsc
+ * @is_overtemp: indicate whether an overtemp event encountered
*
* Determime if external Base T PHY interrupt cause is high temperature
* failure alarm or link status change.
- *
- * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
- * failure alarm, else return PHY access status.
**/
-static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
+static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc,
+ bool *is_overtemp)
{
u32 status;
u16 reg;

+ *is_overtemp = false;
*lsc = false;

/* Vendor alarm triggered */
@@ -2362,7 +2365,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
/* power down the PHY in case the PHY FW didn't already */
ixgbe_set_copper_phy_power(hw, false);
- return IXGBE_ERR_OVERTEMP;
+ *is_overtemp = true;
+ return -EIO;
}
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
/* device fault alarm triggered */
@@ -2376,7 +2380,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
/* power down the PHY in case the PHY FW didn't */
ixgbe_set_copper_phy_power(hw, false);
- return IXGBE_ERR_OVERTEMP;
+ *is_overtemp = true;
+ return -EIO;
}
}

@@ -2412,12 +2417,12 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
**/
static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
+ bool lsc, overtemp;
u32 status;
u16 reg;
- bool lsc;

/* Clear interrupt flags */
- status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
+ status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, &overtemp);

/* Enable link status change alarm */

@@ -2496,21 +2501,20 @@ static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
+ * @is_overtemp: indicate whether an overtemp event encountered
*
* Handle external Base T PHY interrupt. If high temperature
* failure alarm then return error, else if link status change
* then setup internal/external PHY link
- *
- * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
- * failure alarm, else return PHY access status.
**/
-static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
+static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw,
+ bool *is_overtemp)
{
struct ixgbe_phy_info *phy = &hw->phy;
bool lsc;
u32 status;

- status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
+ status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, is_overtemp);
if (status)
return status;

@@ -2642,7 +2646,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
u16 speed;

if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
- return IXGBE_ERR_CONFIG;
+ return -EIO;

if (!(hw->mac.type == ixgbe_mac_X550EM_x &&
!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))) {
@@ -2685,7 +2689,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
break;
default:
/* Internal PHY does not support anything else */
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}

return ixgbe_setup_ixfi_x550em(hw, &force_speed);
@@ -2717,7 +2721,7 @@ static s32 ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
u16 phy_data;

if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
@@ -2739,7 +2743,7 @@ static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
u16 phy_data;

if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;

/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
@@ -2763,8 +2767,9 @@ static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
*
* Sends driver version number to firmware through the manageability
* block. On success return 0
- * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * else returns -EBUSY when encountering an error acquiring
+ * semaphore, -EIO when command fails or -ENIVAL when incorrect
+ * params passed.
**/
static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
u8 build, u8 sub, u16 len,
@@ -2775,7 +2780,7 @@ static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
int i;

if (!len || !driver_ver || (len > sizeof(fw_cmd.driver_string)))
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;

fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
@@ -2800,7 +2805,7 @@ static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,

if (fw_cmd.hdr.cmd_or_resp.ret_status !=
FW_CEM_RESP_STATUS_SUCCESS)
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
return 0;
}

@@ -2857,7 +2862,7 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}

/* 10gig parts do not have a word in the EEPROM to determine the
@@ -2892,7 +2897,7 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
break;
default:
hw_err(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

switch (hw->device_id) {
@@ -2936,8 +2941,8 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 link_s1, lp_an_page_low, an_cntl_1;
- s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
+ s32 status = -EIO;
bool link_up;

/* AN should have completed when the cable was plugged in.
@@ -2963,7 +2968,7 @@ static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)

if (status || (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
hw_dbg(hw, "Auto-Negotiation did not complete\n");
- status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ status = -EIO;
goto out;
}

@@ -3137,21 +3142,23 @@ static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
/**
* ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp
* @hw: pointer to hardware structure
+ *
+ * Return true when an overtemp event detected, otherwise false.
*/
-static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
+static bool ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
s32 rc;

rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
if (rc)
- return rc;
+ return false;

if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
ixgbe_shutdown_fw_phy(hw);
- return IXGBE_ERR_OVERTEMP;
+ return true;
}
- return 0;
+ return false;
}

/**
@@ -3201,8 +3208,7 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)

/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
- if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
- ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
+ if (ret_val == -EOPNOTSUPP || ret_val == -EFAULT)
return ret_val;

/* Setup function pointers based on detected hardware */
@@ -3410,8 +3416,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)

/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED ||
- status == IXGBE_ERR_PHY_ADDR_INVALID)
+ if (status == -EOPNOTSUPP || status == -EFAULT)
return status;

/* start the external PHY */
@@ -3427,7 +3432,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
hw->phy.sfp_setup_needed = false;
}

- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;

/* Reset PHY */
@@ -3451,7 +3456,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_dbg(hw, "semaphore failed with %d", status);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}

ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
@@ -3469,7 +3474,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
}

if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}

@@ -3565,7 +3570,7 @@ static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}

if (hw->fc.requested_mode == ixgbe_fc_default)
@@ -3622,7 +3627,7 @@ static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
break;
default:
hw_err(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}

status = hw->mac.ops.write_iosf_sb_reg(hw,
@@ -3718,7 +3723,7 @@ static s32 ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask)
return 0;
if (hmask)
ixgbe_release_swfw_sync_X540(hw, hmask);
- if (status != IXGBE_ERR_TOKEN_RETRY)
+ if (status != -EAGAIN)
return status;
msleep(FW_PHY_TOKEN_DELAY);
}
@@ -3762,7 +3767,7 @@ static s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);

@@ -3788,7 +3793,7 @@ static s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
s32 status;

if (hw->mac.ops.acquire_swfw_sync(hw, mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;

status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type, phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 31b3ede563c0..ba44d1d9cfcd 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -614,12 +614,38 @@ static void mvpp23_bm_set_8pool_mode(struct mvpp2 *priv)
mvpp2_write(priv, MVPP22_BM_POOL_BASE_ADDR_HIGH_REG, val);
}

+/* Cleanup pool before actual initialization in the OS */
+static void mvpp2_bm_pool_cleanup(struct mvpp2 *priv, int pool_id)
+{
+ unsigned int thread = mvpp2_cpu_to_thread(priv, get_cpu());
+ u32 val;
+ int i;
+
+ /* Drain the BM from all possible residues left by firmware */
+ for (i = 0; i < MVPP2_BM_POOL_SIZE_MAX; i++)
+ mvpp2_thread_read(priv, thread, MVPP2_BM_PHY_ALLOC_REG(pool_id));
+
+ put_cpu();
+
+ /* Stop the BM pool */
+ val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(pool_id));
+ val |= MVPP2_BM_STOP_MASK;
+ mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(pool_id), val);
+}
+
static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
{
enum dma_data_direction dma_dir = DMA_FROM_DEVICE;
int i, err, poolnum = MVPP2_BM_POOLS_NUM;
struct mvpp2_port *port;

+ if (priv->percpu_pools)
+ poolnum = mvpp2_get_nrxqs(priv) * 2;
+
+ /* Clean up the pool state in case it contains stale state */
+ for (i = 0; i < poolnum; i++)
+ mvpp2_bm_pool_cleanup(priv, i);
+
if (priv->percpu_pools) {
for (i = 0; i < priv->port_count; i++) {
port = priv->port_list[i];
@@ -629,7 +655,6 @@ static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
}
}

- poolnum = mvpp2_get_nrxqs(priv) * 2;
for (i = 0; i < poolnum; i++) {
/* the pool in use */
int pn = i / (poolnum / 2);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index 8b16738e249f..70b4f2a3b02f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -2625,18 +2625,17 @@ int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu,
rsp->entry = NPC_MCAM_ENTRY_INVALID;
rsp->free_count = 0;

- /* Check if ref_entry is within range */
- if (req->priority && req->ref_entry >= mcam->bmap_entries) {
- dev_err(rvu->dev, "%s: reference entry %d is out of range\n",
- __func__, req->ref_entry);
- return NPC_MCAM_INVALID_REQ;
- }
+ /* Check if ref_entry is greater that the range
+ * then set it to max value.
+ */
+ if (req->ref_entry > mcam->bmap_entries)
+ req->ref_entry = mcam->bmap_entries;

/* ref_entry can't be '0' if requested priority is high.
* Can't be last entry if requested priority is low.
*/
if ((!req->ref_entry && req->priority == NPC_MCAM_HIGHER_PRIO) ||
- ((req->ref_entry == (mcam->bmap_entries - 1)) &&
+ ((req->ref_entry == mcam->bmap_entries) &&
req->priority == NPC_MCAM_LOWER_PRIO))
return NPC_MCAM_INVALID_REQ;

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 572c981171ba..6b024d29eaf3 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -856,8 +856,11 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
if (pfvf->ptp) {
err = qmem_alloc(pfvf->dev, &sq->timestamps, qset->sqe_cnt,
sizeof(*sq->timestamps));
- if (err)
+ if (err) {
+ kfree(sq->sg);
+ sq->sg = NULL;
return err;
+ }
}

sq->head = 0;
@@ -872,7 +875,14 @@ static int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
sq->stats.bytes = 0;
sq->stats.pkts = 0;

- return pfvf->hw_ops->sq_aq_init(pfvf, qidx, sqb_aura);
+ err = pfvf->hw_ops->sq_aq_init(pfvf, qidx, sqb_aura);
+ if (err) {
+ kfree(sq->sg);
+ sq->sg = NULL;
+ return err;
+ }
+
+ return 0;

}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c b/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
index b26edbc53cad..05905e988431 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
@@ -435,6 +435,7 @@ static int fs_any_create_groups(struct mlx5e_flow_table *ft)
in = kvzalloc(inlen, GFP_KERNEL);
if (!in || !ft->g) {
kfree(ft->g);
+ ft->g = NULL;
kvfree(in);
return -ENOMEM;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index fe5d82fa6e92..313d62d38af8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -239,11 +239,13 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,

ft->g = kcalloc(MLX5E_ARFS_NUM_GROUPS,
sizeof(*ft->g), GFP_KERNEL);
- in = kvzalloc(inlen, GFP_KERNEL);
- if (!in || !ft->g) {
- kfree(ft->g);
- kvfree(in);
+ if (!ft->g)
return -ENOMEM;
+
+ in = kvzalloc(inlen, GFP_KERNEL);
+ if (!in) {
+ err = -ENOMEM;
+ goto err_free_g;
}

mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
@@ -263,7 +265,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}

switch (type) {
@@ -285,7 +287,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}

MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
@@ -294,7 +296,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;

memset(in, 0, inlen);
@@ -303,18 +305,20 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;

kvfree(in);
return 0;

-err:
+err_clean_group:
err = PTR_ERR(ft->g[ft->num_groups]);
ft->g[ft->num_groups] = NULL;
-out:
+err_free_in:
kvfree(in);
-
+err_free_g:
+ kfree(ft->g);
+ ft->g = NULL;
return err;
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index 897c7f852123..51453d082966 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -579,6 +579,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
switch (action_type) {
case DR_ACTION_TYP_DROP:
attr.final_icm_addr = nic_dmn->drop_icm_addr;
+ attr.hit_gvmi = nic_dmn->drop_icm_addr >> 48;
break;
case DR_ACTION_TYP_FT:
dest_action = action;
@@ -666,16 +667,16 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
action->sampler->tx_icm_addr;
break;
case DR_ACTION_TYP_VPORT:
- attr.hit_gvmi = action->vport->caps->vhca_gvmi;
- dest_action = action;
- if (rx_rule) {
- if (action->vport->caps->num == WIRE_PORT) {
- mlx5dr_dbg(dmn, "Device doesn't support Loopback on WIRE vport\n");
- return -EOPNOTSUPP;
- }
- attr.final_icm_addr = action->vport->caps->icm_address_rx;
+ if (unlikely(rx_rule && action->vport->caps->num == MLX5_VPORT_UPLINK)) {
+ /* can't go to uplink on RX rule - dropping instead */
+ attr.final_icm_addr = nic_dmn->drop_icm_addr;
+ attr.hit_gvmi = nic_dmn->drop_icm_addr >> 48;
} else {
- attr.final_icm_addr = action->vport->caps->icm_address_tx;
+ attr.hit_gvmi = action->vport->caps->vhca_gvmi;
+ dest_action = action;
+ attr.final_icm_addr = rx_rule ?
+ action->vport->caps->icm_address_rx :
+ action->vport->caps->icm_address_tx;
}
break;
case DR_ACTION_TYP_POP_VLAN:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
index ea1b8ca5bf3a..fe2c2b4113f5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
@@ -171,7 +171,7 @@ static int dr_domain_query_vports(struct mlx5dr_domain *dmn)

/* Last vport is the wire port */
wire_vport = &dmn->info.caps.vports_caps[vport];
- wire_vport->num = WIRE_PORT;
+ wire_vport->num = MLX5_VPORT_UPLINK;
wire_vport->icm_address_rx = esw_caps->uplink_icm_address_rx;
wire_vport->icm_address_tx = esw_caps->uplink_icm_address_tx;
wire_vport->vport_gvmi = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
index aca80efc28fa..323ea138ad99 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
@@ -1042,10 +1042,10 @@ static bool dr_rule_skip(enum mlx5dr_domain_type domain,
return false;

if (mask->misc.source_port) {
- if (rx && value->misc.source_port != WIRE_PORT)
+ if (rx && value->misc.source_port != MLX5_VPORT_UPLINK)
return true;

- if (!rx && value->misc.source_port == WIRE_PORT)
+ if (!rx && value->misc.source_port == MLX5_VPORT_UPLINK)
return true;
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
index 9e2102f8bed1..175b9450c9aa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -4,7 +4,7 @@
#ifndef _DR_TYPES_
#define _DR_TYPES_

-#include <linux/mlx5/driver.h>
+#include <linux/mlx5/vport.h>
#include <linux/refcount.h>
#include "fs_core.h"
#include "wq.h"
@@ -14,7 +14,6 @@

#define DR_RULE_MAX_STES 18
#define DR_ACTION_MAX_STES 5
-#define WIRE_PORT 0xFFFF
#define DR_STE_SVLAN 0x1
#define DR_STE_CVLAN 0x2
#define DR_SZ_MATCH_PARAM (MLX5_ST_SZ_DW_MATCH_PARAM * 4)
@@ -1116,10 +1115,10 @@ static inline struct mlx5dr_cmd_vport_cap *
mlx5dr_get_vport_cap(struct mlx5dr_cmd_caps *caps, u32 vport)
{
if (!caps->vports_caps ||
- (vport >= caps->num_vports && vport != WIRE_PORT))
+ (vport >= caps->num_vports && vport != MLX5_VPORT_UPLINK))
return NULL;

- if (vport == WIRE_PORT)
+ if (vport == MLX5_VPORT_UPLINK)
vport = caps->num_vports;

return &caps->vports_caps[vport];
diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
index cb43651ea9ba..769412c70e17 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
@@ -927,7 +927,7 @@ nfp_tunnel_add_shared_mac(struct nfp_app *app, struct net_device *netdev,
u16 nfp_mac_idx = 0;

entry = nfp_tunnel_lookup_offloaded_macs(app, netdev->dev_addr);
- if (entry && nfp_tunnel_is_mac_idx_global(entry->index)) {
+ if (entry && (nfp_tunnel_is_mac_idx_global(entry->index) || netif_is_lag_port(netdev))) {
if (entry->bridge_count ||
!nfp_flower_is_supported_bridge(netdev)) {
nfp_tunnel_offloaded_macs_inc_ref_and_link(entry,
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
index 252fe06f58aa..4c513e7755f7 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
@@ -542,11 +542,13 @@ static int enable_bars(struct nfp6000_pcie *nfp, u16 interface)
const u32 barcfg_msix_general =
NFP_PCIE_BAR_PCIE2CPP_MapType(
NFP_PCIE_BAR_PCIE2CPP_MapType_GENERAL) |
- NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT;
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect(
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT);
const u32 barcfg_msix_xpb =
NFP_PCIE_BAR_PCIE2CPP_MapType(
NFP_PCIE_BAR_PCIE2CPP_MapType_BULK) |
- NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT |
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect(
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT) |
NFP_PCIE_BAR_PCIE2CPP_Target_BaseAddress(
NFP_CPP_TARGET_ISLAND_XPB);
const u32 barcfg_explicit[4] = {
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index b778d8264bca..f81b00c7e106 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -268,6 +268,7 @@ void ionic_dev_cmd_comp(struct ionic_dev *idev, union ionic_dev_cmd_comp *comp)

void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd)
{
+ idev->opcode = cmd->cmd.opcode;
memcpy_toio(&idev->dev_cmd_regs->cmd, cmd, sizeof(*cmd));
iowrite32(0, &idev->dev_cmd_regs->done);
iowrite32(1, &idev->dev_cmd_regs->doorbell);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 38f38fe8f21d..1ab86eee8b5a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -144,6 +144,7 @@ struct ionic_dev {
bool fw_hb_ready;
bool fw_status_ready;
u8 fw_generation;
+ u8 opcode;

u64 __iomem *db_pages;
dma_addr_t phy_db_pages;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 538c024afed5..7942a7f0f7b3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -350,7 +350,7 @@ int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
*/
max_wait = jiffies + (max_seconds * HZ);
try_again:
- opcode = readb(&idev->dev_cmd_regs->cmd.cmd.opcode);
+ opcode = idev->opcode;
start_time = jiffies;
do {
done = ionic_dev_cmd_done(idev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index c03ac229e936..d9e8602f866d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -209,6 +209,7 @@ struct stmmac_safety_stats {
unsigned long mac_errors[32];
unsigned long mtl_errors[32];
unsigned long dma_errors[32];
+ unsigned long dma_dpp_errors[32];
};

/* Number of fields in Safety Stats */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index 880a75bf2eb1..8748c37e9dac 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -282,6 +282,8 @@
#define XGMAC_RXCEIE BIT(4)
#define XGMAC_TXCEIE BIT(0)
#define XGMAC_MTL_ECC_INT_STATUS 0x000010cc
+#define XGMAC_MTL_DPP_CONTROL 0x000010e0
+#define XGMAC_DPP_DISABLE BIT(0)
#define XGMAC_MTL_TXQ_OPMODE(x) (0x00001100 + (0x80 * (x)))
#define XGMAC_TQS GENMASK(25, 16)
#define XGMAC_TQS_SHIFT 16
@@ -364,6 +366,7 @@
#define XGMAC_DCEIE BIT(1)
#define XGMAC_TCEIE BIT(0)
#define XGMAC_DMA_ECC_INT_STATUS 0x0000306c
+#define XGMAC_DMA_DPP_INT_STATUS 0x00003074
#define XGMAC_DMA_CH_CONTROL(x) (0x00003100 + (0x80 * (x)))
#define XGMAC_SPH BIT(24)
#define XGMAC_PBLx8 BIT(16)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index c2181c277291..ec1616ffbfa7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -789,6 +789,44 @@ static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= {
{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
};

+#define DPP_RX_ERR "Read Rx Descriptor Parity checker Error"
+#define DPP_TX_ERR "Read Tx Descriptor Parity checker Error"
+
+static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = {
+ { true, "TDPES0", DPP_TX_ERR },
+ { true, "TDPES1", DPP_TX_ERR },
+ { true, "TDPES2", DPP_TX_ERR },
+ { true, "TDPES3", DPP_TX_ERR },
+ { true, "TDPES4", DPP_TX_ERR },
+ { true, "TDPES5", DPP_TX_ERR },
+ { true, "TDPES6", DPP_TX_ERR },
+ { true, "TDPES7", DPP_TX_ERR },
+ { true, "TDPES8", DPP_TX_ERR },
+ { true, "TDPES9", DPP_TX_ERR },
+ { true, "TDPES10", DPP_TX_ERR },
+ { true, "TDPES11", DPP_TX_ERR },
+ { true, "TDPES12", DPP_TX_ERR },
+ { true, "TDPES13", DPP_TX_ERR },
+ { true, "TDPES14", DPP_TX_ERR },
+ { true, "TDPES15", DPP_TX_ERR },
+ { true, "RDPES0", DPP_RX_ERR },
+ { true, "RDPES1", DPP_RX_ERR },
+ { true, "RDPES2", DPP_RX_ERR },
+ { true, "RDPES3", DPP_RX_ERR },
+ { true, "RDPES4", DPP_RX_ERR },
+ { true, "RDPES5", DPP_RX_ERR },
+ { true, "RDPES6", DPP_RX_ERR },
+ { true, "RDPES7", DPP_RX_ERR },
+ { true, "RDPES8", DPP_RX_ERR },
+ { true, "RDPES9", DPP_RX_ERR },
+ { true, "RDPES10", DPP_RX_ERR },
+ { true, "RDPES11", DPP_RX_ERR },
+ { true, "RDPES12", DPP_RX_ERR },
+ { true, "RDPES13", DPP_RX_ERR },
+ { true, "RDPES14", DPP_RX_ERR },
+ { true, "RDPES15", DPP_RX_ERR },
+};
+
static void dwxgmac3_handle_dma_err(struct net_device *ndev,
void __iomem *ioaddr, bool correctable,
struct stmmac_safety_stats *stats)
@@ -800,6 +838,13 @@ static void dwxgmac3_handle_dma_err(struct net_device *ndev,

dwxgmac3_log_error(ndev, value, correctable, "DMA",
dwxgmac3_dma_errors, STAT_OFF(dma_errors), stats);
+
+ value = readl(ioaddr + XGMAC_DMA_DPP_INT_STATUS);
+ writel(value, ioaddr + XGMAC_DMA_DPP_INT_STATUS);
+
+ dwxgmac3_log_error(ndev, value, false, "DMA_DPP",
+ dwxgmac3_dma_dpp_errors,
+ STAT_OFF(dma_dpp_errors), stats);
}

static int
@@ -838,6 +883,12 @@ dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp,
value |= XGMAC_TMOUTEN; /* FSM Timeout Feature */
writel(value, ioaddr + XGMAC_MAC_FSM_CONTROL);

+ /* 5. Enable Data Path Parity Protection */
+ value = readl(ioaddr + XGMAC_MTL_DPP_CONTROL);
+ /* already enabled by default, explicit enable it again */
+ value &= ~XGMAC_DPP_DISABLE;
+ writel(value, ioaddr + XGMAC_MTL_DPP_CONTROL);
+
return 0;
}

@@ -871,7 +922,11 @@ static int dwxgmac3_safety_feat_irq_status(struct net_device *ndev,
ret |= !corr;
}

- err = dma & (XGMAC_DEUIS | XGMAC_DECIS);
+ /* DMA_DPP_Interrupt_Status is indicated by MCSIS bit in
+ * DMA_Safety_Interrupt_Status, so we handle DMA Data Path
+ * Parity Errors here
+ */
+ err = dma & (XGMAC_DEUIS | XGMAC_DECIS | XGMAC_MCSIS);
corr = dma & XGMAC_DECIS;
if (err) {
dwxgmac3_handle_dma_err(ndev, ioaddr, corr, stats);
@@ -887,6 +942,7 @@ static const struct dwxgmac3_error {
{ dwxgmac3_mac_errors },
{ dwxgmac3_mtl_errors },
{ dwxgmac3_dma_errors },
+ { dwxgmac3_dma_dpp_errors },
};

static int dwxgmac3_safety_feat_dump(struct stmmac_safety_stats *stats,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index ede630bfad2f..ab3ded6e0e6a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7096,6 +7096,9 @@ int stmmac_dvr_probe(struct device *device,
dev_err(priv->device, "unable to bring out of ahb reset: %pe\n",
ERR_PTR(ret));

+ /* Wait a bit for the reset to take effect */
+ udelay(10);
+
/* Init MAC and get the capabilities */
ret = stmmac_hw_init(priv);
if (ret)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index ca587fe28150..cbd261b67a77 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -631,6 +631,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
}
}

+ phy->mac_managed_pm = true;
+
slave->phy = phy;

phy_attached_info(slave->phy);
diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index 0d921f6542d6..13e34ad72f26 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -772,6 +772,9 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
slave->slave_num);
return;
}
+
+ phy->mac_managed_pm = true;
+
slave->phy = phy;

phy_attached_info(slave->phy);
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index 065bb0a40b1d..a1405a3e294c 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -220,21 +220,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)

mem_size = FJES_DEV_REQ_BUF_SIZE(hw->max_epid);
hw->hw_info.req_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.req_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.req_buf)) {
+ result = -ENOMEM;
+ goto free_ep_info;
+ }

hw->hw_info.req_buf_size = mem_size;

mem_size = FJES_DEV_RES_BUF_SIZE(hw->max_epid);
hw->hw_info.res_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.res_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.res_buf)) {
+ result = -ENOMEM;
+ goto free_req_buf;
+ }

hw->hw_info.res_buf_size = mem_size;

result = fjes_hw_alloc_shared_status_region(hw);
if (result)
- return result;
+ goto free_res_buf;

hw->hw_info.buffer_share_bit = 0;
hw->hw_info.buffer_unshare_reserve_bit = 0;
@@ -245,11 +249,11 @@ static int fjes_hw_setup(struct fjes_hw *hw)

result = fjes_hw_alloc_epbuf(&buf_pair->tx);
if (result)
- return result;
+ goto free_epbuf;

result = fjes_hw_alloc_epbuf(&buf_pair->rx);
if (result)
- return result;
+ goto free_epbuf;

spin_lock_irqsave(&hw->rx_status_lock, flags);
fjes_hw_setup_epbuf(&buf_pair->tx, mac,
@@ -272,6 +276,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)
fjes_hw_init_command_registers(hw, &param);

return 0;
+
+free_epbuf:
+ for (epidx = 0; epidx < hw->max_epid ; epidx++) {
+ if (epidx == hw->my_epid)
+ continue;
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].tx);
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].rx);
+ }
+ fjes_hw_free_shared_status_region(hw);
+free_res_buf:
+ kfree(hw->hw_info.res_buf);
+ hw->hw_info.res_buf = NULL;
+free_req_buf:
+ kfree(hw->hw_info.req_buf);
+ hw->hw_info.req_buf = NULL;
+free_ep_info:
+ kfree(hw->ep_shm_info);
+ hw->ep_shm_info = NULL;
+ return result;
}

static void fjes_hw_cleanup(struct fjes_hw *hw)
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 4156299e039d..058472f42938 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -710,7 +710,10 @@ void netvsc_device_remove(struct hv_device *device)
/* Disable NAPI and disassociate its context from the device. */
for (i = 0; i < net_device->num_chn; i++) {
/* See also vmbus_reset_channel_cb(). */
- napi_disable(&net_device->chan_table[i].napi);
+ /* only disable enabled NAPI channel */
+ if (i < ndev->real_num_rx_queues)
+ napi_disable(&net_device->chan_table[i].napi);
+
netif_napi_del(&net_device->chan_table[i].napi);
}

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c3a8ac244a08..25b65450cbb9 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -44,7 +44,7 @@

static unsigned int ring_size __ro_after_init = 128;
module_param(ring_size, uint, 0444);
-MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
+MODULE_PARM_DESC(ring_size, "Ring buffer size (# of 4K pages)");
unsigned int netvsc_ring_bytes __ro_after_init;

static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE |
@@ -2824,7 +2824,7 @@ static int __init netvsc_drv_init(void)
pr_info("Increased ring_size to %u (min allowed)\n",
ring_size);
}
- netvsc_ring_bytes = ring_size * PAGE_SIZE;
+ netvsc_ring_bytes = VMBUS_RING_SIZE(ring_size * 4096);

register_netdevice_notifier(&netvsc_netdev_notifier);

diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c
index 29a93d6bfe37..4a5c749ba223 100644
--- a/drivers/net/ppp/ppp_async.c
+++ b/drivers/net/ppp/ppp_async.c
@@ -471,6 +471,10 @@ ppp_async_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg)
case PPPIOCSMRU:
if (get_user(val, p))
break;
+ if (val > U16_MAX) {
+ err = -EINVAL;
+ break;
+ }
if (val < PPP_MRU)
val = PPP_MRU;
ap->mru = val;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3eefe8171925..6a655bd442fe 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2913,10 +2913,11 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
{
vq_callback_t **callbacks;
struct virtqueue **vqs;
- int ret = -ENOMEM;
- int i, total_vqs;
const char **names;
+ int ret = -ENOMEM;
+ int total_vqs;
bool *ctx;
+ u16 i;

/* We expect 1 RX virtqueue followed by 1 TX virtqueue, followed by
* possible N-1 RX/TX queue pairs used in multiqueue mode, followed by
@@ -2953,8 +2954,8 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
for (i = 0; i < vi->max_queue_pairs; i++) {
callbacks[rxq2vq(i)] = skb_recv_done;
callbacks[txq2vq(i)] = skb_xmit_done;
- sprintf(vi->rq[i].name, "input.%d", i);
- sprintf(vi->sq[i].name, "output.%d", i);
+ sprintf(vi->rq[i].name, "input.%u", i);
+ sprintf(vi->sq[i].name, "output.%u", i);
names[rxq2vq(i)] = vi->rq[i].name;
names[txq2vq(i)] = vi->sq[i].name;
if (ctx)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 672789e3c55d..d6a3f001dacb 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -652,9 +652,10 @@ void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event)
struct ath9k_htc_tx_event *tx_pend;
int i;

- for (i = 0; i < txs->cnt; i++) {
- WARN_ON(txs->cnt > HTC_MAX_TX_STATUS);
+ if (WARN_ON_ONCE(txs->cnt > HTC_MAX_TX_STATUS))
+ return;

+ for (i = 0; i < txs->cnt; i++) {
__txs = &txs->txstatus[i];

skb = ath9k_htc_tx_get_packet(priv, __txs);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 9e00d1d7e146..f0e0d4ccbc09 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -527,7 +527,7 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 2) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

@@ -543,7 +543,7 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 1) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

@@ -559,7 +559,7 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 0) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

@@ -614,7 +614,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 2) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

@@ -630,7 +630,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 1) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

@@ -646,7 +646,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
&tbl_rev);
if (!IS_ERR(wifi_pkg)) {
if (tbl_rev != 0) {
- ret = PTR_ERR(wifi_pkg);
+ ret = -EINVAL;
goto out_free;
}

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index f9bd081dd9e0..8a610c518082 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -836,7 +836,7 @@ static int iwl_dbg_tlv_override_trig_node(struct iwl_fw_runtime *fwrt,
node_trig = (void *)node_tlv->data;
}

- memcpy(node_trig->data + offset, trig->data, trig_data_len);
+ memcpy((u8 *)node_trig->data + offset, trig->data, trig_data_len);
node_tlv->length = cpu_to_le32(size);

if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_CFG) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
index 388675d073ce..10ae5e313dda 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -101,6 +101,7 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
rt2x00link_stop_tuner(rt2x00dev);
rt2x00queue_stop_queues(rt2x00dev);
rt2x00queue_flush_queues(rt2x00dev, true);
+ rt2x00queue_stop_queue(rt2x00dev->bcn);

/*
* Disable radio.
@@ -1268,6 +1269,7 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
+ rt2x00dev->intf_beaconing = 0;

/* Enable the radio */
retval = rt2x00lib_enable_radio(rt2x00dev);
@@ -1294,6 +1296,7 @@ void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
+ rt2x00dev->intf_beaconing = 0;
}

static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
index dea5babd30fe..f81b0ab0b4c5 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -598,6 +598,17 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
*/
if (changes & BSS_CHANGED_BEACON_ENABLED) {
mutex_lock(&intf->beacon_skb_mutex);
+
+ /*
+ * Clear the 'enable_beacon' flag and clear beacon because
+ * the beacon queue has been stopped after hardware reset.
+ */
+ if (test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags) &&
+ intf->enable_beacon) {
+ intf->enable_beacon = false;
+ rt2x00queue_clear_beacon(rt2x00dev, vif);
+ }
+
if (!bss_conf->enable_beacon && intf->enable_beacon) {
rt2x00dev->intf_beaconing--;
intf->enable_beacon = false;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index be93ffa5086a..30d9a195c6fb 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6973,6 +6973,18 @@ static const struct usb_device_id dev_table[] = {
.driver_info = (unsigned long)&rtl8192eu_fops},
{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff),
.driver_info = (unsigned long)&rtl8192eu_fops},
+/* D-Link DWA-131 rev C1 */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3312, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* TP-Link TL-WN8200ND V2 */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0126, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* Mercusys MW300UM */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0100, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* Mercusys MW300UH */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0104, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
#endif
{ }
};
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
index fe9b407dc2af..71e29b103da5 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
@@ -49,7 +49,7 @@ u32 rtl8723e_phy_query_rf_reg(struct ieee80211_hw *hw,
rfpath, regaddr);
}

- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock);
@@ -80,7 +80,7 @@ void rtl8723e_phy_set_rf_reg(struct ieee80211_hw *hw,
original_value = rtl8723_phy_rf_serial_read(hw,
rfpath,
regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data =
((original_value & (~bitmask)) |
(data << bitshift));
@@ -89,7 +89,7 @@ void rtl8723e_phy_set_rf_reg(struct ieee80211_hw *hw,
rtl8723_phy_rf_serial_write(hw, rfpath, regaddr, data);
} else {
if (bitmask != RFREG_OFFSET_MASK) {
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data =
((original_value & (~bitmask)) |
(data << bitshift));
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
index 2b9313cb93db..094cb36153f5 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
@@ -41,7 +41,7 @@ u32 rtl8723be_phy_query_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
spin_lock(&rtlpriv->locks.rf_lock);

original_value = rtl8723_phy_rf_serial_read(hw, rfpath, regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock);
@@ -68,7 +68,7 @@ void rtl8723be_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path path,
if (bitmask != RFREG_OFFSET_MASK) {
original_value = rtl8723_phy_rf_serial_read(hw, path,
regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((original_value & (~bitmask)) |
(data << bitshift));
}
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index c07f5ab4c004..12986da63d4c 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -104,13 +104,12 @@ bool provides_xdp_headroom = true;
module_param(provides_xdp_headroom, bool, 0644);

static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
- u8 status);
+ s8 status);

static void make_tx_response(struct xenvif_queue *queue,
- struct xen_netif_tx_request *txp,
+ const struct xen_netif_tx_request *txp,
unsigned int extra_count,
- s8 st);
-static void push_tx_responses(struct xenvif_queue *queue);
+ s8 status);

static void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx);

@@ -208,13 +207,9 @@ static void xenvif_tx_err(struct xenvif_queue *queue,
unsigned int extra_count, RING_IDX end)
{
RING_IDX cons = queue->tx.req_cons;
- unsigned long flags;

do {
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, extra_count, XEN_NETIF_RSP_ERROR);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock, flags);
if (cons == end)
break;
RING_COPY_REQUEST(&queue->tx, cons++, txp);
@@ -465,12 +460,7 @@ static void xenvif_get_requests(struct xenvif_queue *queue,
for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS;
nr_slots--) {
if (unlikely(!txp->size)) {
- unsigned long flags;
-
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, 0, XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock, flags);
++txp;
continue;
}
@@ -496,14 +486,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue,

for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; ++txp) {
if (unlikely(!txp->size)) {
- unsigned long flags;
-
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, 0,
XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock,
- flags);
continue;
}

@@ -997,7 +981,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
(ret == 0) ?
XEN_NETIF_RSP_OKAY :
XEN_NETIF_RSP_ERROR);
- push_tx_responses(queue);
continue;
}

@@ -1009,7 +992,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,

make_tx_response(queue, &txreq, extra_count,
XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
continue;
}

@@ -1445,8 +1427,35 @@ int xenvif_tx_action(struct xenvif_queue *queue, int budget)
return work_done;
}

+static void _make_tx_response(struct xenvif_queue *queue,
+ const struct xen_netif_tx_request *txp,
+ unsigned int extra_count,
+ s8 status)
+{
+ RING_IDX i = queue->tx.rsp_prod_pvt;
+ struct xen_netif_tx_response *resp;
+
+ resp = RING_GET_RESPONSE(&queue->tx, i);
+ resp->id = txp->id;
+ resp->status = status;
+
+ while (extra_count-- != 0)
+ RING_GET_RESPONSE(&queue->tx, ++i)->status = XEN_NETIF_RSP_NULL;
+
+ queue->tx.rsp_prod_pvt = ++i;
+}
+
+static void push_tx_responses(struct xenvif_queue *queue)
+{
+ int notify;
+
+ RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
+ if (notify)
+ notify_remote_via_irq(queue->tx_irq);
+}
+
static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
- u8 status)
+ s8 status)
{
struct pending_tx_info *pending_tx_info;
pending_ring_idx_t index;
@@ -1456,8 +1465,8 @@ static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,

spin_lock_irqsave(&queue->response_lock, flags);

- make_tx_response(queue, &pending_tx_info->req,
- pending_tx_info->extra_count, status);
+ _make_tx_response(queue, &pending_tx_info->req,
+ pending_tx_info->extra_count, status);

/* Release the pending index before pusing the Tx response so
* its available before a new Tx request is pushed by the
@@ -1471,32 +1480,19 @@ static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
spin_unlock_irqrestore(&queue->response_lock, flags);
}

-
static void make_tx_response(struct xenvif_queue *queue,
- struct xen_netif_tx_request *txp,
+ const struct xen_netif_tx_request *txp,
unsigned int extra_count,
- s8 st)
+ s8 status)
{
- RING_IDX i = queue->tx.rsp_prod_pvt;
- struct xen_netif_tx_response *resp;
-
- resp = RING_GET_RESPONSE(&queue->tx, i);
- resp->id = txp->id;
- resp->status = st;
-
- while (extra_count-- != 0)
- RING_GET_RESPONSE(&queue->tx, ++i)->status = XEN_NETIF_RSP_NULL;
+ unsigned long flags;

- queue->tx.rsp_prod_pvt = ++i;
-}
+ spin_lock_irqsave(&queue->response_lock, flags);

-static void push_tx_responses(struct xenvif_queue *queue)
-{
- int notify;
+ _make_tx_response(queue, txp, extra_count, status);
+ push_tx_responses(queue);

- RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
- if (notify)
- notify_remote_via_irq(queue->tx_irq);
+ spin_unlock_irqrestore(&queue->response_lock, flags);
}

static void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index acf0d3110357..905ac6466a5b 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1270,7 +1270,7 @@ DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
DEFINE_SIMPLE_PROP(interconnects, "interconnects", "#interconnect-cells")
DEFINE_SIMPLE_PROP(iommus, "iommus", "#iommu-cells")
DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
-DEFINE_SIMPLE_PROP(io_channels, "io-channel", "#io-channel-cells")
+DEFINE_SIMPLE_PROP(io_channels, "io-channels", "#io-channel-cells")
DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 699daf0645d1..5a8d37cef0ba 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -49,6 +49,12 @@ static struct unittest_results {
failed; \
})

+#ifdef CONFIG_OF_KOBJ
+#define OF_KREF_READ(NODE) kref_read(&(NODE)->kobj.kref)
+#else
+#define OF_KREF_READ(NODE) 1
+#endif
+
/*
* Expected message may have a message level other than KERN_INFO.
* Print the expected message only if the current loglevel will allow
@@ -562,7 +568,7 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
pr_err("missing testcase data\n");
return;
}
- prefs[i] = kref_read(&p[i]->kobj.kref);
+ prefs[i] = OF_KREF_READ(p[i]);
}

rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells");
@@ -685,9 +691,9 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);

for (i = 0; i < ARRAY_SIZE(p); ++i) {
- unittest(prefs[i] == kref_read(&p[i]->kobj.kref),
+ unittest(prefs[i] == OF_KREF_READ(p[i]),
"provider%d: expected:%d got:%d\n",
- i, prefs[i], kref_read(&p[i]->kobj.kref));
+ i, prefs[i], OF_KREF_READ(p[i]));
of_node_put(p[i]);
}
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 72280e9b23b2..2b5337980da7 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -312,7 +312,7 @@ void pci_bus_put(struct pci_bus *bus);

/* PCIe speed to Mb/s reduced by encoding overhead */
#define PCIE_SPEED2MBS_ENC(speed) \
- ((speed) == PCIE_SPEED_64_0GT ? 64000*128/130 : \
+ ((speed) == PCIE_SPEED_64_0GT ? 64000*1/1 : \
(speed) == PCIE_SPEED_32_0GT ? 32000*128/130 : \
(speed) == PCIE_SPEED_16_0GT ? 16000*128/130 : \
(speed) == PCIE_SPEED_8_0GT ? 8000*128/130 : \
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index ca9ac8c6a202..4f7744aab6c7 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -743,7 +743,7 @@ static void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
u8 bus = info->id >> 8;
u8 devfn = info->id & 0xff;

- pci_info(dev, "%s%s error received: %04x:%02x:%02x.%d\n",
+ pci_info(dev, "%s%s error message received from %04x:%02x:%02x.%d\n",
info->multi_error_valid ? "Multiple " : "",
aer_error_severity_string[info->severity],
pci_domain_nr(dev->bus), bus, PCI_SLOT(devfn),
@@ -931,7 +931,12 @@ static bool find_source_device(struct pci_dev *parent,
pci_walk_bus(parent->subordinate, find_device_iter, e_info);

if (!e_info->error_dev_num) {
- pci_info(parent, "can't find device of ID%04x\n", e_info->id);
+ u8 bus = e_info->id >> 8;
+ u8 devfn = e_info->id & 0xff;
+
+ pci_info(parent, "found no error details for %04x:%02x:%02x.%d\n",
+ pci_domain_nr(parent->bus), bus, PCI_SLOT(devfn),
+ PCI_FUNC(devfn));
return false;
}
return true;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 626d9ed733f1..fcdc17bbcc8e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -604,10 +604,13 @@ static void quirk_amd_dwc_class(struct pci_dev *pdev)
{
u32 class = pdev->class;

- /* Use "USB Device (not host controller)" class */
- pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
- pci_info(pdev, "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
- class, pdev->class);
+ if (class != PCI_CLASS_SERIAL_USB_DEVICE) {
+ /* Use "USB Device (not host controller)" class */
+ pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
+ pci_info(pdev,
+ "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
+ class, pdev->class);
+ }
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB,
quirk_amd_dwc_class);
@@ -3666,6 +3669,19 @@ static void quirk_no_pm_reset(struct pci_dev *dev)
DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
PCI_CLASS_DISPLAY_VGA, 8, quirk_no_pm_reset);

+/*
+ * Spectrum-{1,2,3,4} devices report that a D3hot->D0 transition causes a reset
+ * (i.e., they advertise NoSoftRst-). However, this transition does not have
+ * any effect on the device: It continues to be operational and network ports
+ * remain up. Advertising this support makes it seem as if a PM reset is viable
+ * for these devices. Mark it as unavailable to skip it when testing reset
+ * methods.
+ */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcb84, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf6c, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf70, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf80, quirk_no_pm_reset);
+
/*
* Thunderbolt controllers with broken MSI hotplug signaling:
* Entire 1st generation (Light Ridge, Eagle Ridge, Light Peak) and part
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index d021ef3fb165..2a026183f06b 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1250,13 +1250,6 @@ static void stdev_release(struct device *dev)
{
struct switchtec_dev *stdev = to_stdev(dev);

- if (stdev->dma_mrpc) {
- iowrite32(0, &stdev->mmio_mrpc->dma_en);
- flush_wc_buf(stdev);
- writeq(0, &stdev->mmio_mrpc->dma_addr);
- dma_free_coherent(&stdev->pdev->dev, sizeof(*stdev->dma_mrpc),
- stdev->dma_mrpc, stdev->dma_mrpc_dma_addr);
- }
kfree(stdev);
}

@@ -1300,7 +1293,7 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
return ERR_PTR(-ENOMEM);

stdev->alive = true;
- stdev->pdev = pdev;
+ stdev->pdev = pci_dev_get(pdev);
INIT_LIST_HEAD(&stdev->mrpc_queue);
mutex_init(&stdev->mrpc_mutex);
stdev->mrpc_busy = 0;
@@ -1334,6 +1327,7 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
return stdev;

err_put:
+ pci_dev_put(stdev->pdev);
put_device(&stdev->dev);
return ERR_PTR(rc);
}
@@ -1586,6 +1580,18 @@ static int switchtec_init_pci(struct switchtec_dev *stdev,
return 0;
}

+static void switchtec_exit_pci(struct switchtec_dev *stdev)
+{
+ if (stdev->dma_mrpc) {
+ iowrite32(0, &stdev->mmio_mrpc->dma_en);
+ flush_wc_buf(stdev);
+ writeq(0, &stdev->mmio_mrpc->dma_addr);
+ dma_free_coherent(&stdev->pdev->dev, sizeof(*stdev->dma_mrpc),
+ stdev->dma_mrpc, stdev->dma_mrpc_dma_addr);
+ stdev->dma_mrpc = NULL;
+ }
+}
+
static int switchtec_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
@@ -1645,6 +1651,9 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
dev_info(&stdev->dev, "unregistered.\n");
stdev_kill(stdev);
+ switchtec_exit_pci(stdev);
+ pci_dev_put(stdev->pdev);
+ stdev->pdev = NULL;
put_device(&stdev->dev);
}

diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 9de617ca9daa..7e61c6b278a7 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -675,8 +675,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
channel->irq = platform_get_irq_optional(pdev, 0);
channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node);
if (channel->dr_mode != USB_DR_MODE_UNKNOWN) {
- int ret;
-
channel->is_otg_channel = true;
channel->uses_otg_pins = !of_property_read_bool(dev->of_node,
"renesas,no-otg-pins");
@@ -740,8 +738,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
ret = PTR_ERR(provider);
goto error;
} else if (channel->is_otg_channel) {
- int ret;
-
ret = device_create_file(dev, &dev_attr_role);
if (ret < 0)
goto error;
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index ca8532a3f193..59d3a692c725 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -116,7 +116,7 @@ static int omap_usb_set_vbus(struct usb_otg *otg, bool enabled)
{
struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);

- if (!phy->comparator)
+ if (!phy->comparator || !phy->comparator->set_vbus)
return -ENODEV;

return phy->comparator->set_vbus(phy->comparator, enabled);
@@ -126,7 +126,7 @@ static int omap_usb_start_srp(struct usb_otg *otg)
{
struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);

- if (!phy->comparator)
+ if (!phy->comparator || !phy->comparator->start_srp)
return -ENODEV;

return phy->comparator->start_srp(phy->comparator);
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index da78dc77aed3..9879deb4dc0b 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -151,13 +151,13 @@ static int vendor_resource_matches(struct pnp_dev *dev,
static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
struct acpi_resource_vendor_typed *vendor)
{
- if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
- u64 start, length;
+ struct { u64 start, length; } range;

- memcpy(&start, vendor->byte_data, sizeof(start));
- memcpy(&length, vendor->byte_data + 8, sizeof(length));
-
- pnp_add_mem_resource(dev, start, start + length - 1, 0);
+ if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid,
+ sizeof(range))) {
+ memcpy(&range, vendor->byte_data, sizeof(range));
+ pnp_add_mem_resource(dev, range.start, range.start +
+ range.length - 1, 0);
}
}

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 8ad50dc8fb35..9b1f27f87c95 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2881,7 +2881,8 @@ static int _regulator_enable(struct regulator *regulator)
/* Fallthrough on positive return values - already enabled */
}

- rdev->use_count++;
+ if (regulator->enable_count == 1)
+ rdev->use_count++;

return 0;

@@ -2956,37 +2957,40 @@ static int _regulator_disable(struct regulator *regulator)

lockdep_assert_held_once(&rdev->mutex.base);

- if (WARN(rdev->use_count <= 0,
+ if (WARN(regulator->enable_count == 0,
"unbalanced disables for %s\n", rdev_get_name(rdev)))
return -EIO;

- /* are we the last user and permitted to disable ? */
- if (rdev->use_count == 1 &&
- (rdev->constraints && !rdev->constraints->always_on)) {
-
- /* we are last user */
- if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
- ret = _notifier_call_chain(rdev,
- REGULATOR_EVENT_PRE_DISABLE,
- NULL);
- if (ret & NOTIFY_STOP_MASK)
- return -EINVAL;
-
- ret = _regulator_do_disable(rdev);
- if (ret < 0) {
- rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
- _notifier_call_chain(rdev,
- REGULATOR_EVENT_ABORT_DISABLE,
+ if (regulator->enable_count == 1) {
+ /* disabling last enable_count from this regulator */
+ /* are we the last user and permitted to disable ? */
+ if (rdev->use_count == 1 &&
+ (rdev->constraints && !rdev->constraints->always_on)) {
+
+ /* we are last user */
+ if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
+ ret = _notifier_call_chain(rdev,
+ REGULATOR_EVENT_PRE_DISABLE,
+ NULL);
+ if (ret & NOTIFY_STOP_MASK)
+ return -EINVAL;
+
+ ret = _regulator_do_disable(rdev);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
+ _notifier_call_chain(rdev,
+ REGULATOR_EVENT_ABORT_DISABLE,
+ NULL);
+ return ret;
+ }
+ _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
NULL);
- return ret;
}
- _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
- NULL);
- }

- rdev->use_count = 0;
- } else if (rdev->use_count > 1) {
- rdev->use_count--;
+ rdev->use_count = 0;
+ } else if (rdev->use_count > 1) {
+ rdev->use_count--;
+ }
}

if (ret == 0)
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index b03e7404212f..b863ebb9f6ec 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -377,6 +377,7 @@ static void virtio_rpmsg_release_device(struct device *dev)
struct rpmsg_device *rpdev = to_rpmsg_device(dev);
struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev);

+ kfree(rpdev->driver_override);
kfree(vch);
}

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 00e2ca7374ec..178ee5563224 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -292,7 +292,7 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)

/* This not only a rtc_op, but also called directly */
if (!is_valid_irq(cmos->irq))
- return -EIO;
+ return -ETIMEDOUT;

/* Basic alarms only support hour, minute, and seconds fields.
* Some also support day and month, for alarms up to a year in
@@ -557,7 +557,7 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
* Use mc146818_avoid_UIP() to avoid this.
*/
if (!mc146818_avoid_UIP(cmos_set_alarm_callback, &p))
- return -EIO;
+ return -ETIMEDOUT;

cmos->alarm_expires = rtc_tm_to_time64(&t->time);

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 93f55c734802..83af6c6a9e21 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -254,9 +254,10 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
if (!recover) {
hash_del(&addr->hnode);
kfree(addr);
- continue;
+ } else {
+ /* prepare for recovery */
+ addr->disp_flag = QETH_DISP_ADDR_ADD;
}
- addr->disp_flag = QETH_DISP_ADDR_ADD;
}

mutex_unlock(&card->ip_lock);
@@ -277,9 +278,11 @@ static void qeth_l3_recover_ip(struct qeth_card *card)
if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
rc = qeth_l3_register_addr_entry(card, addr);

- if (!rc) {
+ if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {
+ /* keep it in the records */
addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
} else {
+ /* bad address */
hash_del(&addr->hnode);
kfree(addr);
}
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index 6ce57f031df5..3324114e6b06 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -77,9 +77,13 @@ struct device_attribute;
#ifndef PCI_DEVICE_ID_ARECA_1203
#define PCI_DEVICE_ID_ARECA_1203 0x1203
#endif
+#ifndef PCI_DEVICE_ID_ARECA_1883
+#define PCI_DEVICE_ID_ARECA_1883 0x1883
+#endif
#ifndef PCI_DEVICE_ID_ARECA_1884
#define PCI_DEVICE_ID_ARECA_1884 0x1884
#endif
+#define PCI_DEVICE_ID_ARECA_1886_0 0x1886
#define PCI_DEVICE_ID_ARECA_1886 0x188A
#define ARCMSR_HOURS (1000 * 60 * 60 * 4)
#define ARCMSR_MINUTES (1000 * 60 * 60)
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index ec1a834c922d..e33298b2d51c 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -214,8 +214,12 @@ static struct pci_device_id arcmsr_device_id_table[] = {
.driver_data = ACB_ADAPTER_TYPE_A},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880),
.driver_data = ACB_ADAPTER_TYPE_C},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1883),
+ .driver_data = ACB_ADAPTER_TYPE_C},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1884),
.driver_data = ACB_ADAPTER_TYPE_E},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1886_0),
+ .driver_data = ACB_ADAPTER_TYPE_F},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1886),
.driver_data = ACB_ADAPTER_TYPE_F},
{0, 0}, /* Terminating entry */
@@ -4710,9 +4714,11 @@ static const char *arcmsr_info(struct Scsi_Host *host)
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
+ case PCI_DEVICE_ID_ARECA_1883:
case PCI_DEVICE_ID_ARECA_1884:
type = "SAS/SATA";
break;
+ case PCI_DEVICE_ID_ARECA_1886_0:
case PCI_DEVICE_ID_ARECA_1886:
type = "NVMe/SAS/SATA";
break;
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index 303ecbd86b68..558f3f4e1859 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -319,17 +319,16 @@ static void fcoe_ctlr_announce(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *sel;
struct fcoe_fcf *fcf;
- unsigned long flags;

mutex_lock(&fip->ctlr_mutex);
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);

kfree_skb(fip->flogi_req);
fip->flogi_req = NULL;
list_for_each_entry(fcf, &fip->fcfs, list)
fcf->flogi_sent = 0;

- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
sel = fip->sel_fcf;

if (sel && ether_addr_equal(sel->fcf_mac, fip->dest_addr))
@@ -700,7 +699,6 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
{
struct fc_frame *fp;
struct fc_frame_header *fh;
- unsigned long flags;
u16 old_xid;
u8 op;
u8 mac[ETH_ALEN];
@@ -734,11 +732,11 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
op = FIP_DT_FLOGI;
if (fip->mode == FIP_MODE_VN2VN)
break;
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
kfree_skb(fip->flogi_req);
fip->flogi_req = skb;
fip->flogi_req_send = 1;
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
schedule_work(&fip->timer_work);
return -EINPROGRESS;
case ELS_FDISC:
@@ -1715,11 +1713,10 @@ static int fcoe_ctlr_flogi_send_locked(struct fcoe_ctlr *fip)
static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *fcf;
- unsigned long flags;
int error;

mutex_lock(&fip->ctlr_mutex);
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
LIBFCOE_FIP_DBG(fip, "re-sending FLOGI - reselect\n");
fcf = fcoe_ctlr_select(fip);
if (!fcf || fcf->flogi_sent) {
@@ -1730,7 +1727,7 @@ static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
fcoe_ctlr_solicit(fip, NULL);
error = fcoe_ctlr_flogi_send_locked(fip);
}
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
mutex_unlock(&fip->ctlr_mutex);
return error;
}
@@ -1747,9 +1744,8 @@ static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
static void fcoe_ctlr_flogi_send(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *fcf;
- unsigned long flags;

- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
fcf = fip->sel_fcf;
if (!fcf || !fip->flogi_req_send)
goto unlock;
@@ -1776,7 +1772,7 @@ static void fcoe_ctlr_flogi_send(struct fcoe_ctlr *fip)
} else /* XXX */
LIBFCOE_FIP_DBG(fip, "No FCF selected - defer send\n");
unlock:
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
}

/**
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index fcaa84a3c210..6ef40993906a 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -3390,7 +3390,7 @@ static enum sci_status isci_io_request_build(struct isci_host *ihost,
return SCI_FAILURE;
}

- return SCI_SUCCESS;
+ return status;
}

static struct isci_request *isci_request_from_tag(struct isci_host *ihost, u16 tag)
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 509eacd7893d..a6efbcc27181 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -270,6 +270,11 @@ static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp)
if (!fsp->seq_ptr)
return -EINVAL;

+ if (fsp->state & FC_SRB_ABORT_PENDING) {
+ FC_FCP_DBG(fsp, "abort already pending\n");
+ return -EBUSY;
+ }
+
per_cpu_ptr(fsp->lp->stats, get_cpu())->FcpPktAborts++;
put_cpu();

@@ -1681,7 +1686,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
fc_fcp_rec(fsp);
else
- fc_fcp_recovery(fsp, FC_ERROR);
+ fc_fcp_recovery(fsp, FC_TIMED_OUT);
break;
}
fc_fcp_unlock_pkt(fsp);
@@ -1700,11 +1705,12 @@ static void fc_fcp_recovery(struct fc_fcp_pkt *fsp, u8 code)
fsp->status_code = code;
fsp->cdb_status = 0;
fsp->io_status = 0;
- /*
- * if this fails then we let the scsi command timer fire and
- * scsi-ml escalate.
- */
- fc_fcp_send_abort(fsp);
+ if (!fsp->cmd)
+ /*
+ * Only abort non-scsi commands; otherwise let the
+ * scsi command timer fire and scsi-ml escalate.
+ */
+ fc_fcp_send_abort(fsp);
}

/**
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 457ff86e02b3..65ac952b767f 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -32,6 +32,7 @@
struct lpfc_sli2_slim;

#define ELX_MODEL_NAME_SIZE 80
+#define ELX_FW_NAME_SIZE 84

#define LPFC_PCI_DEV_LP 0x1
#define LPFC_PCI_DEV_OC 0x2
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 2ca4cf1b58c4..bba51ce4276a 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -14516,7 +14516,7 @@ lpfc_write_firmware(const struct firmware *fw, void *context)
int
lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
{
- uint8_t file_name[ELX_MODEL_NAME_SIZE];
+ char file_name[ELX_FW_NAME_SIZE] = {0};
int ret;
const struct firmware *fw;

@@ -14525,7 +14525,7 @@ lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
LPFC_SLI_INTF_IF_TYPE_2)
return -EPERM;

- snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
+ scnprintf(file_name, sizeof(file_name), "%s.grp", phba->ModelName);

if (fw_upgrade == INT_FW_UPGRADE) {
ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index f79cfd1cb3e7..2d5dc488f511 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -61,11 +61,11 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd);
static enum scsi_disposition scsi_try_to_abort_cmd(struct scsi_host_template *,
struct scsi_cmnd *);

-void scsi_eh_wakeup(struct Scsi_Host *shost)
+void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy)
{
lockdep_assert_held(shost->host_lock);

- if (scsi_host_busy(shost) == shost->host_failed) {
+ if (busy == shost->host_failed) {
trace_scsi_eh_wakeup(shost);
wake_up_process(shost->ehandler);
SCSI_LOG_ERROR_RECOVERY(5, shost_printk(KERN_INFO, shost,
@@ -88,7 +88,7 @@ void scsi_schedule_eh(struct Scsi_Host *shost)
if (scsi_host_set_state(shost, SHOST_RECOVERY) == 0 ||
scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY) == 0) {
shost->host_eh_scheduled++;
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, scsi_host_busy(shost));
}

spin_unlock_irqrestore(shost->host_lock, flags);
@@ -276,11 +276,12 @@ static void scsi_eh_inc_host_failed(struct rcu_head *head)
{
struct scsi_cmnd *scmd = container_of(head, typeof(*scmd), rcu);
struct Scsi_Host *shost = scmd->device->host;
+ unsigned int busy = scsi_host_busy(shost);
unsigned long flags;

spin_lock_irqsave(shost->host_lock, flags);
shost->host_failed++;
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, busy);
spin_unlock_irqrestore(shost->host_lock, flags);
}

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 3dbfd15e6fe7..0389bf281f4b 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -281,9 +281,11 @@ static void scsi_dec_host_busy(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
rcu_read_lock();
__clear_bit(SCMD_STATE_INFLIGHT, &cmd->state);
if (unlikely(scsi_host_in_recovery(shost))) {
+ unsigned int busy = scsi_host_busy(shost);
+
spin_lock_irqsave(shost->host_lock, flags);
if (shost->host_failed || shost->host_eh_scheduled)
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, busy);
spin_unlock_irqrestore(shost->host_lock, flags);
}
rcu_read_unlock();
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index b7f963149352..b650407690a8 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -76,7 +76,7 @@ extern void scmd_eh_abort_handler(struct work_struct *work);
extern enum blk_eh_timer_return scsi_times_out(struct request *req);
extern int scsi_error_handler(void *host);
extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd);
-extern void scsi_eh_wakeup(struct Scsi_Host *shost);
+extern void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy);
extern void scsi_eh_scmd_add(struct scsi_cmnd *);
void scsi_eh_ready_devs(struct Scsi_Host *shost,
struct list_head *work_q,
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 5caf7bd5877f..4ea119afd9db 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -367,6 +367,7 @@ enum storvsc_request_type {
*/

static int storvsc_ringbuffer_size = (128 * 1024);
+static int aligned_ringbuffer_size;
static u32 max_outstanding_req_per_channel;
static int storvsc_change_queue_depth(struct scsi_device *sdev, int queue_depth);

@@ -737,8 +738,8 @@ static void handle_sc_creation(struct vmbus_channel *new_sc)
new_sc->next_request_id_callback = storvsc_next_request_id;

ret = vmbus_open(new_sc,
- storvsc_ringbuffer_size,
- storvsc_ringbuffer_size,
+ aligned_ringbuffer_size,
+ aligned_ringbuffer_size,
(void *)&props,
sizeof(struct vmstorage_channel_properties),
storvsc_on_channel_callback, new_sc);
@@ -2033,7 +2034,7 @@ static int storvsc_probe(struct hv_device *device,
hv_set_drvdata(device, stor_device);

stor_device->port_number = host->host_no;
- ret = storvsc_connect_to_vsp(device, storvsc_ringbuffer_size, is_fc);
+ ret = storvsc_connect_to_vsp(device, aligned_ringbuffer_size, is_fc);
if (ret)
goto err_out1;

@@ -2226,7 +2227,7 @@ static int storvsc_resume(struct hv_device *hv_dev)
{
int ret;

- ret = storvsc_connect_to_vsp(hv_dev, storvsc_ringbuffer_size,
+ ret = storvsc_connect_to_vsp(hv_dev, aligned_ringbuffer_size,
hv_dev_is_fc(hv_dev));
return ret;
}
@@ -2264,8 +2265,9 @@ static int __init storvsc_drv_init(void)
* for Win7 and older hosts because it does not take into account
* the vmscsi_size_delta correction to the max request size.
*/
+ aligned_ringbuffer_size = VMBUS_RING_SIZE(storvsc_ringbuffer_size);
max_outstanding_req_per_channel =
- ((storvsc_ringbuffer_size - PAGE_SIZE) /
+ ((aligned_ringbuffer_size - PAGE_SIZE) /
ALIGN(MAX_MULTIPAGE_BUFFER_PACKET +
sizeof(struct vstor_packet) + sizeof(u64),
sizeof(u64)));
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e78461f66400..03b33c34f702 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -7896,7 +7896,6 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
ufs_bsg_probe(hba);
ufshpb_init(hba);
scsi_scan_host(hba->host);
- pm_runtime_put_sync(hba->dev);

out:
return ret;
@@ -8018,15 +8017,12 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie)

/* Probe and add UFS logical units */
ret = ufshcd_add_lus(hba);
+
out:
- /*
- * If we failed to initialize the device or the device is not
- * present, turn off the power/clocks etc.
- */
- if (ret) {
- pm_runtime_put_sync(hba->dev);
- ufshcd_hba_exit(hba);
- }
+ pm_runtime_put_sync(hba->dev);
+
+ if (ret)
+ dev_err(hba->dev, "%s failed: %d\n", __func__, ret);
}

static const struct attribute_group *ufshcd_driver_groups[] = {
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index c79797c06cda..bca7ac570b94 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -19,7 +19,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
-#include <linux/spi/spi-mem.h>
+#include <linux/mtd/spi-nor.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include "spi-bcm-qspi.h"
@@ -1049,7 +1049,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,

/* non-aligned and very short transfers are handled by MSPI */
if (!IS_ALIGNED((uintptr_t)addr, 4) || !IS_ALIGNED((uintptr_t)buf, 4) ||
- len < 4)
+ len < 4 || op->cmd.opcode == SPINOR_OP_RDSFDP)
mspi_read = true;

if (!has_bspi(qspi) || mspi_read)
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index d65f047b6c82..1179a1115137 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -166,10 +166,8 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
int scr;
u8 cdm = 0;
u32 speed;
- u8 bits_per_word;

/* Start with the generic configuration for this device. */
- bits_per_word = spi->bits_per_word;
speed = spi->max_speed_hz;

/*
@@ -177,9 +175,6 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
* the transfer to overwrite the generic configuration with zeros.
*/
if (t) {
- if (t->bits_per_word)
- bits_per_word = t->bits_per_word;
-
if (t->speed_hz)
speed = min(t->speed_hz, spi->max_speed_hz);
}
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 1690358b8f01..810ed1fca10b 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -322,11 +322,11 @@ static void fbtft_mkdirty(struct fb_info *info, int y, int height)
schedule_delayed_work(&info->deferred_work, fbdefio->delay);
}

-static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagelist)
+static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
struct fbtft_par *par = info->par;
unsigned int dirty_lines_start, dirty_lines_end;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
unsigned long index;
unsigned int y_low = 0, y_high = 0;
int count = 0;
@@ -340,7 +340,8 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagelist)
spin_unlock(&par->dirty_lock);

/* Mark display lines as dirty */
- list_for_each_entry(page, pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *page = pageref->page;
count++;
index = page->index << PAGE_SHIFT;
y_low = index / info->fix.line_length;
@@ -653,9 +654,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
fbops->fb_setcolreg = fbtft_fb_setcolreg;
fbops->fb_blank = fbtft_fb_blank;

- fbdefio->delay = HZ / fps;
- fbdefio->deferred_io = fbtft_deferred_io;
- fb_deferred_io_init(info);
+ fbdefio->delay = HZ / fps;
+ fbdefio->sort_pagereflist = true;
+ fbdefio->deferred_io = fbtft_deferred_io;

snprintf(info->fix.id, sizeof(info->fix.id), "%s", dev->driver->name);
info->fix.type = FB_TYPE_PACKED_PIXELS;
@@ -666,6 +667,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
info->fix.line_length = width * bpp / 8;
info->fix.accel = FB_ACCEL_NONE;
info->fix.smem_len = vmem_size;
+ fb_deferred_io_init(info);

info->var.rotate = pdata->rotate;
info->var.xres = width;
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 793918e1c45f..b682d0f94b0b 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -608,7 +608,7 @@ static void ad5933_work(struct work_struct *work)
struct ad5933_state, work.work);
struct iio_dev *indio_dev = i2c_get_clientdata(st->client);
__be16 buf[2];
- int val[2];
+ u16 val[2];
unsigned char status;
int ret;

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 0b1976ceb01f..ada9666f5988 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -123,6 +123,7 @@ struct exar8250;

struct exar8250_platform {
int (*rs485_config)(struct uart_port *, struct serial_rs485 *);
+ const struct serial_rs485 *rs485_supported;
int (*register_gpio)(struct pci_dev *, struct uart_8250_port *);
void (*unregister_gpio)(struct uart_8250_port *);
};
@@ -441,10 +442,15 @@ static int generic_rs485_config(struct uart_port *port,
return 0;
}

+static const struct serial_rs485 generic_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND,
+};
+
static const struct exar8250_platform exar8250_default_platform = {
.register_gpio = xr17v35x_register_gpio,
.unregister_gpio = xr17v35x_unregister_gpio,
.rs485_config = generic_rs485_config,
+ .rs485_supported = &generic_rs485_supported,
};

static int iot2040_rs485_config(struct uart_port *port,
@@ -480,6 +486,11 @@ static int iot2040_rs485_config(struct uart_port *port,
return generic_rs485_config(port, rs485);
}

+static const struct serial_rs485 iot2040_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND |
+ SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS,
+};
+
static const struct property_entry iot2040_gpio_properties[] = {
PROPERTY_ENTRY_U32("exar,first-pin", 10),
PROPERTY_ENTRY_U32("ngpios", 1),
@@ -508,6 +519,7 @@ static int iot2040_register_gpio(struct pci_dev *pcidev,

static const struct exar8250_platform iot2040_platform = {
.rs485_config = iot2040_rs485_config,
+ .rs485_supported = &iot2040_rs485_supported,
.register_gpio = iot2040_register_gpio,
.unregister_gpio = xr17v35x_unregister_gpio,
};
@@ -550,6 +562,7 @@ pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev,

port->port.uartclk = baud * 16;
port->port.rs485_config = platform->rs485_config;
+ port->port.rs485_supported = platform->rs485_supported;

/*
* Setup the UART clock for the devices on expansion slot to
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 3df0788ddeb0..5dd73d1da1ec 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -235,6 +235,10 @@
#define MAX310x_REV_MASK (0xf8)
#define MAX310X_WRITE_BIT 0x80

+/* Crystal-related definitions */
+#define MAX310X_XTAL_WAIT_RETRIES 20 /* Number of retries */
+#define MAX310X_XTAL_WAIT_DELAY_MS 10 /* Delay between retries */
+
/* MAX3107 specific */
#define MAX3107_REV_ID (0xa0)

@@ -552,7 +556,7 @@ static int max310x_update_best_err(unsigned long f, long *besterr)
return 1;
}

-static u32 max310x_set_ref_clk(struct device *dev, struct max310x_port *s,
+static s32 max310x_set_ref_clk(struct device *dev, struct max310x_port *s,
unsigned long freq, bool xtal)
{
unsigned int div, clksrc, pllcfg = 0;
@@ -610,12 +614,20 @@ static u32 max310x_set_ref_clk(struct device *dev, struct max310x_port *s,

/* Wait for crystal */
if (xtal) {
- unsigned int val;
- msleep(10);
- regmap_read(s->regmap, MAX310X_STS_IRQSTS_REG, &val);
- if (!(val & MAX310X_STS_CLKREADY_BIT)) {
- dev_warn(dev, "clock is not stable yet\n");
- }
+ bool stable = false;
+ unsigned int try = 0, val = 0;
+
+ do {
+ msleep(MAX310X_XTAL_WAIT_DELAY_MS);
+ regmap_read(s->regmap, MAX310X_STS_IRQSTS_REG, &val);
+
+ if (val & MAX310X_STS_CLKREADY_BIT)
+ stable = true;
+ } while (!stable && (++try < MAX310X_XTAL_WAIT_RETRIES));
+
+ if (!stable)
+ return dev_err_probe(dev, -EAGAIN,
+ "clock is not stable\n");
}

return bestfreq;
@@ -1255,7 +1267,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
{
int i, ret, fmin, fmax, freq;
struct max310x_port *s;
- u32 uartclk = 0;
+ s32 uartclk = 0;
bool xtal;

if (IS_ERR(regmap))
@@ -1335,6 +1347,11 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
}

uartclk = max310x_set_ref_clk(dev, s, freq, xtal);
+ if (uartclk < 0) {
+ ret = uartclk;
+ goto out_uart;
+ }
+
dev_dbg(dev, "Reference clock set to %i Hz\n", uartclk);

for (i = 0; i < devtype->nr; i++) {
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index dac1e2568803..224f13b98312 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -786,7 +786,7 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
ret = -EFAULT;
return ret;
case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
+ if (!checkpoint_restore_ns_capable(&init_user_ns))
return -EPERM;
copy_termios_locked(real_tty, &kterm);
if (user_termios_to_kernel_termios(&kterm,
@@ -803,7 +803,7 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
ret = -EFAULT;
return ret;
case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
+ if (!checkpoint_restore_ns_capable(&init_user_ns))
return -EPERM;
copy_termios_locked(real_tty, &kterm);
if (user_termios_to_kernel_termios_1(&kterm,
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4bed41ca6b0f..2cd0089660ea 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -46,8 +46,8 @@
#define USB_VENDOR_TEXAS_INSTRUMENTS 0x0451
#define USB_PRODUCT_TUSB8041_USB3 0x8140
#define USB_PRODUCT_TUSB8041_USB2 0x8142
-#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01
-#define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02
+#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND BIT(0)
+#define HUB_QUIRK_DISABLE_AUTOSUSPEND BIT(1)

#define USB_TP_TRANSMISSION_DELAY 40 /* ns */
#define USB_TP_TRANSMISSION_DELAY_MAX 65535 /* ns */
@@ -2368,17 +2368,25 @@ static int usb_enumerate_device_otg(struct usb_device *udev)
}
} else if (desc->bLength == sizeof
(struct usb_otg_descriptor)) {
- /* Set a_alt_hnp_support for legacy otg device */
- err = usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
- USB_REQ_SET_FEATURE, 0,
- USB_DEVICE_A_ALT_HNP_SUPPORT,
- 0, NULL, 0,
- USB_CTRL_SET_TIMEOUT);
- if (err < 0)
- dev_err(&udev->dev,
- "set a_alt_hnp_support failed: %d\n",
- err);
+ /*
+ * We are operating on a legacy OTP device
+ * These should be told that they are operating
+ * on the wrong port if we have another port that does
+ * support HNP
+ */
+ if (bus->otg_port != 0) {
+ /* Set a_alt_hnp_support for legacy otg device */
+ err = usb_control_msg(udev,
+ usb_sndctrlpipe(udev, 0),
+ USB_REQ_SET_FEATURE, 0,
+ USB_DEVICE_A_ALT_HNP_SUPPORT,
+ 0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
+ if (err < 0)
+ dev_err(&udev->dev,
+ "set a_alt_hnp_support failed: %d\n",
+ err);
+ }
}
}
#endif
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 3dcb5b744f7c..d64f7edc70c1 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -722,6 +722,7 @@ struct dwc3_ep {
#define DWC3_EP_FIRST_STREAM_PRIMED BIT(10)
#define DWC3_EP_PENDING_CLEAR_STALL BIT(11)
#define DWC3_EP_TXFIFO_RESIZED BIT(12)
+#define DWC3_EP_DELAY_STOP BIT(13)

/* This last one is specific to EP0 */
#define DWC3_EP0_DIR_IN BIT(31)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 52f2bfae46bc..f402c66039af 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -218,7 +218,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
return ret;
}

-static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
+void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
{
struct dwc3_ep *dep;

@@ -274,6 +274,7 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
{
struct dwc3_ep *dep;
int ret;
+ int i;

complete(&dwc->ep0_in_setup);

@@ -282,6 +283,19 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
DWC3_TRBCTL_CONTROL_SETUP, false);
ret = dwc3_ep0_start_trans(dep);
WARN_ON(ret < 0);
+ for (i = 2; i < DWC3_ENDPOINTS_NUM; i++) {
+ struct dwc3_ep *dwc3_ep;
+
+ dwc3_ep = dwc->eps[i];
+ if (!dwc3_ep)
+ continue;
+
+ if (!(dwc3_ep->flags & DWC3_EP_DELAY_STOP))
+ continue;
+
+ dwc3_ep->flags &= ~DWC3_EP_DELAY_STOP;
+ dwc3_stop_active_transfer(dwc3_ep, true, true);
+ }
}

static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le)
@@ -802,7 +816,7 @@ static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
int ret = -EINVAL;
u32 len;

- if (!dwc->gadget_driver)
+ if (!dwc->gadget_driver || !dwc->connected)
goto out;

trace_dwc3_ctrl_req(ctrl);
@@ -1076,13 +1090,18 @@ void dwc3_ep0_send_delayed_status(struct dwc3 *dwc)
__dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);
}

-static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
+void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
{
struct dwc3_gadget_ep_cmd_params params;
u32 cmd;
int ret;

- if (!dep->resource_index)
+ /*
+ * For status/DATA OUT stage, TRB will be queued on ep0 out
+ * endpoint for which resource index is zero. Hence allow
+ * queuing ENDXFER command for ep0 out endpoint.
+ */
+ if (!dep->resource_index && dep->number)
return;

cmd = DWC3_DEPCMD_ENDTRANSFER;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8ada601901cf..8e51db62a6f5 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -139,6 +139,24 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state)
return -ETIMEDOUT;
}

+static void dwc3_ep0_reset_state(struct dwc3 *dwc)
+{
+ unsigned int dir;
+
+ if (dwc->ep0state != EP0_SETUP_PHASE) {
+ dir = !!dwc->ep0_expect_in;
+ if (dwc->ep0state == EP0_DATA_PHASE)
+ dwc3_ep0_end_control_data(dwc, dwc->eps[dir]);
+ else
+ dwc3_ep0_end_control_data(dwc, dwc->eps[!dir]);
+
+ dwc->eps[0]->trb_enqueue = 0;
+ dwc->eps[1]->trb_enqueue = 0;
+
+ dwc3_ep0_stall_and_restart(dwc);
+ }
+}
+
/**
* dwc3_ep_inc_trb - increment a trb index.
* @index: Pointer to the TRB index to increment.
@@ -641,9 +659,6 @@ static int dwc3_gadget_set_ep_config(struct dwc3_ep *dep, unsigned int action)
return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETEPCONFIG, &params);
}

-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
- bool interrupt);
-
/**
* dwc3_gadget_calc_tx_fifo_size - calculates the txfifo size value
* @dwc: pointer to the DWC3 context
@@ -872,12 +887,13 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
reg |= DWC3_DALEPENA_EP(dep->number);
dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);

+ dep->trb_dequeue = 0;
+ dep->trb_enqueue = 0;
+
if (usb_endpoint_xfer_control(desc))
goto out;

/* Initialize the TRB ring */
- dep->trb_dequeue = 0;
- dep->trb_enqueue = 0;
memset(dep->trb_pool, 0,
sizeof(struct dwc3_trb) * DWC3_TRB_NUM);

@@ -1664,6 +1680,16 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
memset(&params, 0, sizeof(params));
ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
+ /*
+ * If the End Transfer command was timed out while the device is
+ * not in SETUP phase, it's possible that an incoming Setup packet
+ * may prevent the command's completion. Let's retry when the
+ * ep0state returns to EP0_SETUP_PHASE.
+ */
+ if (ret == -ETIMEDOUT && dep->dwc->ep0state != EP0_SETUP_PHASE) {
+ dep->flags |= DWC3_EP_DELAY_STOP;
+ return 0;
+ }
WARN_ON_ONCE(ret);
dep->resource_index = 0;

@@ -1675,6 +1701,7 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
}

+ dep->flags &= ~DWC3_EP_DELAY_STOP;
return ret;
}

@@ -1891,6 +1918,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
*/
if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) ||
(dep->flags & DWC3_EP_WEDGE) ||
+ (dep->flags & DWC3_EP_DELAY_STOP) ||
(dep->flags & DWC3_EP_STALL)) {
dep->flags |= DWC3_EP_DELAY_START;
return 0;
@@ -2022,7 +2050,17 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,

list_for_each_entry(r, &dep->pending_list, list) {
if (r == req) {
- dwc3_gadget_giveback(dep, req, -ECONNRESET);
+ /*
+ * Explicitly check for EP0/1 as dequeue for those
+ * EPs need to be handled differently. Control EP
+ * only deals with one USB req, and giveback will
+ * occur during dwc3_ep0_stall_and_restart(). EP0
+ * requests are never added to started_list.
+ */
+ if (dep->number > 1)
+ dwc3_gadget_giveback(dep, req, -ECONNRESET);
+ else
+ dwc3_ep0_reset_state(dwc);
goto out;
}
}
@@ -2114,7 +2152,8 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
list_for_each_entry_safe(req, tmp, &dep->started_list, list)
dwc3_gadget_move_cancelled_request(req, DWC3_REQUEST_STATUS_STALLED);

- if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) {
+ if (dep->flags & DWC3_EP_END_TRANSFER_PENDING ||
+ (dep->flags & DWC3_EP_DELAY_STOP)) {
dep->flags |= DWC3_EP_PENDING_CLEAR_STALL;
return 0;
}
@@ -2459,10 +2498,18 @@ static int __dwc3_gadget_start(struct dwc3 *dwc);
static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
{
unsigned long flags;
+ int ret;

spin_lock_irqsave(&dwc->lock, flags);
dwc->connected = false;

+ /*
+ * Attempt to end pending SETUP status phase, and not wait for the
+ * function to do so.
+ */
+ if (dwc->delayed_status)
+ dwc3_ep0_send_delayed_status(dwc);
+
/*
* In the Synopsys DesignWare Cores USB3 Databook Rev. 3.30a
* Section 4.1.8 Table 4-7, it states that for a device-initiated
@@ -2471,9 +2518,28 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
* bit.
*/
dwc3_stop_active_transfers(dwc);
- __dwc3_gadget_stop(dwc);
spin_unlock_irqrestore(&dwc->lock, flags);

+ /*
+ * Per databook, when we want to stop the gadget, if a control transfer
+ * is still in process, complete it and get the core into setup phase.
+ * In case the host is unresponsive to a SETUP transaction, forcefully
+ * stall the transfer, and move back to the SETUP phase, so that any
+ * pending endxfers can be executed.
+ */
+ if (dwc->ep0state != EP0_SETUP_PHASE) {
+ reinit_completion(&dwc->ep0_in_setup);
+
+ ret = wait_for_completion_timeout(&dwc->ep0_in_setup,
+ msecs_to_jiffies(DWC3_PULL_UP_TIMEOUT));
+ if (ret == 0) {
+ dev_warn(dwc->dev, "wait for SETUP phase timed out\n");
+ spin_lock_irqsave(&dwc->lock, flags);
+ dwc3_ep0_reset_state(dwc);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+ }
+ }
+
/*
* Note: if the GEVNTCOUNT indicates events in the event buffer, the
* driver needs to acknowledge them before the controller can halt.
@@ -2481,7 +2547,19 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
* remaining event generated by the controller while polling for
* DSTS.DEVCTLHLT.
*/
- return dwc3_gadget_run_stop(dwc, false);
+ ret = dwc3_gadget_run_stop(dwc, false);
+
+ /*
+ * Stop the gadget after controller is halted, so that if needed, the
+ * events to update EP0 state can still occur while the run/stop
+ * routine polls for the halted state. DEVTEN is cleared as part of
+ * gadget stop.
+ */
+ spin_lock_irqsave(&dwc->lock, flags);
+ __dwc3_gadget_stop(dwc);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ return ret;
}

static int dwc3_gadget_soft_connect(struct dwc3 *dwc)
@@ -2507,18 +2585,6 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
is_on = !!is_on;

dwc->softconnect = is_on;
- /*
- * Per databook, when we want to stop the gadget, if a control transfer
- * is still in process, complete it and get the core into setup phase.
- */
- if (!is_on && dwc->ep0state != EP0_SETUP_PHASE) {
- reinit_completion(&dwc->ep0_in_setup);
-
- ret = wait_for_completion_timeout(&dwc->ep0_in_setup,
- msecs_to_jiffies(DWC3_PULL_UP_TIMEOUT));
- if (ret == 0)
- dev_warn(dwc->dev, "timed out waiting for SETUP phase\n");
- }

/*
* Avoid issuing a runtime resume if the device is already in the
@@ -2698,6 +2764,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)

/* begin to receive SETUP packets */
dwc->ep0state = EP0_SETUP_PHASE;
+ dwc->ep0_bounced = false;
dwc->link_state = DWC3_LINK_STATE_SS_DIS;
dwc->delayed_status = false;
dwc3_ep0_out_start(dwc);
@@ -3630,13 +3697,39 @@ static void dwc3_reset_gadget(struct dwc3 *dwc)
}
}

-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
bool interrupt)
{
+ struct dwc3 *dwc = dep->dwc;
+
+ /*
+ * Only issue End Transfer command to the control endpoint of a started
+ * Data Phase. Typically we should only do so in error cases such as
+ * invalid/unexpected direction as described in the control transfer
+ * flow of the programming guide.
+ */
+ if (dep->number <= 1 && dwc->ep0state != EP0_DATA_PHASE)
+ return;
+
+ if (interrupt && (dep->flags & DWC3_EP_DELAY_STOP))
+ return;
+
if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) ||
(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
return;

+ /*
+ * If a Setup packet is received but yet to DMA out, the controller will
+ * not process the End Transfer command of any endpoint. Polling of its
+ * DEPCMD.CmdAct may block setting up TRB for Setup packet, causing a
+ * timeout. Delay issuing the End Transfer command until the Setup TRB is
+ * prepared.
+ */
+ if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) {
+ dep->flags |= DWC3_EP_DELAY_STOP;
+ return;
+ }
+
/*
* NOTICE: We are violating what the Databook says about the
* EndTransfer command. Ideally we would _always_ wait for the
@@ -3706,13 +3799,22 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
reg &= ~DWC3_DCTL_INITU2ENA;
dwc3_gadget_dctl_write_safe(dwc, reg);

+ dwc->connected = false;
+
dwc3_disconnect_gadget(dwc);

dwc->gadget->speed = USB_SPEED_UNKNOWN;
dwc->setup_packet_pending = false;
usb_gadget_set_state(dwc->gadget, USB_STATE_NOTATTACHED);

- dwc->connected = false;
+ dwc3_ep0_reset_state(dwc);
+
+ /*
+ * Request PM idle to address condition where usage count is
+ * already decremented to zero, but waiting for the disconnect
+ * interrupt to set dwc->connected to FALSE.
+ */
+ pm_request_idle(dwc->dev);
}

static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
@@ -3762,6 +3864,14 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
}

dwc3_reset_gadget(dwc);
+
+ /*
+ * From SNPS databook section 8.1.2, the EP0 should be in setup
+ * phase. So ensure that EP0 is in setup phase by issuing a stall
+ * and restart if EP0 is not in setup phase.
+ */
+ dwc3_ep0_reset_state(dwc);
+
/*
* In the Synopsis DesignWare Cores USB3 Databook Rev. 3.30a
* Section 4.1.2 Table 4-2, it states that during a USB reset, the SW
@@ -4412,15 +4522,13 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
unsigned long flags;
int ret;

- if (!dwc->gadget_driver)
- return 0;
-
ret = dwc3_gadget_soft_disconnect(dwc);
if (ret)
goto err;

spin_lock_irqsave(&dwc->lock, flags);
- dwc3_disconnect_gadget(dwc);
+ if (dwc->gadget_driver)
+ dwc3_disconnect_gadget(dwc);
spin_unlock_irqrestore(&dwc->lock, flags);

return 0;
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 77df4b6d6c13..55a56cf67d73 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -110,12 +110,15 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
void dwc3_ep0_interrupt(struct dwc3 *dwc,
const struct dwc3_event_depevt *event);
void dwc3_ep0_out_start(struct dwc3 *dwc);
+void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep);
+void dwc3_ep0_stall_and_restart(struct dwc3 *dwc);
int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
gfp_t gfp_flags);
int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
void dwc3_ep0_send_delayed_status(struct dwc3 *dwc);
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);

/**
* dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 2078e9d70292..012b54cb847f 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -44,7 +44,7 @@ static int dwc3_host_get_irq(struct dwc3 *dwc)

int dwc3_host_init(struct dwc3 *dwc)
{
- struct property_entry props[4];
+ struct property_entry props[5];
struct platform_device *xhci;
int ret, irq;
struct resource *res;
@@ -89,6 +89,8 @@ int dwc3_host_init(struct dwc3 *dwc)

memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));

+ props[prop_idx++] = PROPERTY_ENTRY_BOOL("xhci-sg-trb-cache-size-quirk");
+
if (dwc->usb3_lpm_capable)
props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb3-lpm-capable");

diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 5bd76c6d38e7..f602eee451a3 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -543,21 +543,37 @@ static int start_transfer(struct fsg_dev *fsg, struct usb_ep *ep,

static bool start_in_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_SENDING;
- if (start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq);
+ if (rc) {
bh->state = BUF_STATE_EMPTY;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}

static bool start_out_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_RECEIVING;
- if (start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq);
+ if (rc) {
bh->state = BUF_STATE_FULL;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index e56a1fb9715a..83c7dffa945c 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -323,6 +323,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
xhci->quirks |= XHCI_BROKEN_PORT_PED;

+ if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk"))
+ xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
+
device_property_read_u32(tmpdev, "imod-interval-ns",
&xhci->imod_interval);
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b3f128bd4718..f47c2f392292 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -146,6 +146,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+ { USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */
{ USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
{ USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4adef9259870..c0a0cca65437 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2269,6 +2269,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index b1e844bf31f8..703a9c563557 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -184,6 +184,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
{DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */
+ {DEVICE_SWI(0x413c, 0x8217)}, /* Dell Wireless DW5826e */
+ {DEVICE_SWI(0x413c, 0x8218)}, /* Dell Wireless DW5826e QDL */

/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index 04976435ad73..0c88d5bf09ca 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -70,9 +70,13 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
const void *val, size_t val_len)
{
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
+ bool ack = UCSI_COMMAND(*(u64 *)val) == UCSI_ACK_CC_CI;
int ret;

- set_bit(COMMAND_PENDING, &ua->flags);
+ if (ack)
+ set_bit(ACK_PENDING, &ua->flags);
+ else
+ set_bit(COMMAND_PENDING, &ua->flags);

ret = ucsi_acpi_async_write(ucsi, offset, val, val_len);
if (ret)
@@ -82,7 +86,10 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
ret = -ETIMEDOUT;

out_clear_bit:
- clear_bit(COMMAND_PENDING, &ua->flags);
+ if (ack)
+ clear_bit(ACK_PENDING, &ua->flags);
+ else
+ clear_bit(COMMAND_PENDING, &ua->flags);

return ret;
}
@@ -106,8 +113,10 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data)
if (UCSI_CCI_CONNECTOR(cci))
ucsi_connector_change(ua->ucsi, UCSI_CCI_CONNECTOR(cci));

- if (test_bit(COMMAND_PENDING, &ua->flags) &&
- cci & (UCSI_CCI_ACK_COMPLETE | UCSI_CCI_COMMAND_COMPLETE))
+ if (cci & UCSI_CCI_ACK_COMPLETE && test_bit(ACK_PENDING, &ua->flags))
+ complete(&ua->complete);
+ if (cci & UCSI_CCI_COMMAND_COMPLETE &&
+ test_bit(COMMAND_PENDING, &ua->flags))
complete(&ua->complete);
}

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index bc14f1245a65..99cdd59f4e0c 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2582,12 +2582,11 @@ EXPORT_SYMBOL_GPL(vhost_disable_notify);
/* Create a new message. */
struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type)
{
- struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL);
+ /* Make sure all padding within the structure is initialized. */
+ struct vhost_msg_node *node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node)
return NULL;

- /* Make sure all padding within the structure is initialized. */
- memset(&node->msg, 0, sizeof node->msg);
node->vq = vq;
node->msg.type = type;
return node;
diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c
index fd66f4d4a621..8b953d20ccdc 100644
--- a/drivers/video/fbdev/broadsheetfb.c
+++ b/drivers/video/fbdev/broadsheetfb.c
@@ -929,13 +929,11 @@ static void broadsheetfb_dpy_update(struct broadsheetfb_par *par)
}

/* this is called back from the deferred io workqueue */
-static void broadsheetfb_dpy_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void broadsheetfb_dpy_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
u16 y1 = 0, h = 0;
int prev_index = -1;
- struct page *cur;
- struct fb_deferred_io *fbdefio = info->fbdefio;
+ struct fb_deferred_io_pageref *pageref;
int h_inc;
u16 yres = info->var.yres;
u16 xres = info->var.xres;
@@ -944,7 +942,8 @@ static void broadsheetfb_dpy_deferred_io(struct fb_info *info,
h_inc = DIV_ROUND_UP(PAGE_SIZE , xres);

/* walk the written page list and swizzle the data */
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *cur = pageref->page;
if (prev_index < 0) {
/* just starting so assign first page */
y1 = (cur->index << PAGE_SHIFT) / xres;
@@ -1058,8 +1057,9 @@ static const struct fb_ops broadsheetfb_ops = {
};

static struct fb_deferred_io broadsheetfb_defio = {
- .delay = HZ/4,
- .deferred_io = broadsheetfb_dpy_deferred_io,
+ .delay = HZ/4,
+ .sort_pagereflist = true,
+ .deferred_io = broadsheetfb_dpy_deferred_io,
};

static int broadsheetfb_probe(struct platform_device *dev)
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index 0708e214c5a3..1f12c2043603 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -36,6 +36,60 @@ static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs
return page;
}

+static struct fb_deferred_io_pageref *fb_deferred_io_pageref_get(struct fb_info *info,
+ unsigned long offset,
+ struct page *page)
+{
+ struct fb_deferred_io *fbdefio = info->fbdefio;
+ struct list_head *pos = &fbdefio->pagereflist;
+ unsigned long pgoff = offset >> PAGE_SHIFT;
+ struct fb_deferred_io_pageref *pageref, *cur;
+
+ if (WARN_ON_ONCE(pgoff >= info->npagerefs))
+ return NULL; /* incorrect allocation size */
+
+ /* 1:1 mapping between pageref and page offset */
+ pageref = &info->pagerefs[pgoff];
+
+ /*
+ * This check is to catch the case where a new process could start
+ * writing to the same page through a new PTE. This new access
+ * can cause a call to .page_mkwrite even if the original process'
+ * PTE is marked writable.
+ */
+ if (!list_empty(&pageref->list))
+ goto pageref_already_added;
+
+ pageref->page = page;
+ pageref->offset = pgoff << PAGE_SHIFT;
+
+ if (unlikely(fbdefio->sort_pagereflist)) {
+ /*
+ * We loop through the list of pagerefs before adding in
+ * order to keep the pagerefs sorted. This has significant
+ * overhead of O(n^2) with n being the number of written
+ * pages. If possible, drivers should try to work with
+ * unsorted page lists instead.
+ */
+ list_for_each_entry(cur, &fbdefio->pagereflist, list) {
+ if (cur->offset > pageref->offset)
+ break;
+ }
+ pos = &cur->list;
+ }
+
+ list_add_tail(&pageref->list, pos);
+
+pageref_already_added:
+ return pageref;
+}
+
+static void fb_deferred_io_pageref_put(struct fb_deferred_io_pageref *pageref,
+ struct fb_info *info)
+{
+ list_del_init(&pageref->list);
+}
+
/* this is to find and return the vmalloc-ed fb pages */
static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf)
{
@@ -59,7 +113,7 @@ static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf)
printk(KERN_ERR "no mapping available\n");

BUG_ON(!page->mapping);
- page->index = vmf->pgoff;
+ page->index = vmf->pgoff; /* for page_mkclean() */

vmf->page = page;
return 0;
@@ -91,7 +145,11 @@ static vm_fault_t fb_deferred_io_mkwrite(struct vm_fault *vmf)
struct page *page = vmf->page;
struct fb_info *info = vmf->vma->vm_private_data;
struct fb_deferred_io *fbdefio = info->fbdefio;
- struct page *cur;
+ struct fb_deferred_io_pageref *pageref;
+ unsigned long offset;
+ vm_fault_t ret;
+
+ offset = (vmf->address - vmf->vma->vm_start);

/* this is a callback we get when userspace first tries to
write to the page. we schedule a workqueue. that workqueue
@@ -105,9 +163,15 @@ static vm_fault_t fb_deferred_io_mkwrite(struct vm_fault *vmf)
mutex_lock(&fbdefio->lock);

/* first write in this cycle, notify the driver */
- if (fbdefio->first_io && list_empty(&fbdefio->pagelist))
+ if (fbdefio->first_io && list_empty(&fbdefio->pagereflist))
fbdefio->first_io(info);

+ pageref = fb_deferred_io_pageref_get(info, offset, page);
+ if (WARN_ON_ONCE(!pageref)) {
+ ret = VM_FAULT_OOM;
+ goto err_mutex_unlock;
+ }
+
/*
* We want the page to remain locked from ->page_mkwrite until
* the PTE is marked dirty to avoid page_mkclean() being called
@@ -116,30 +180,17 @@ static vm_fault_t fb_deferred_io_mkwrite(struct vm_fault *vmf)
* Do this by locking the page here and informing the caller
* about it with VM_FAULT_LOCKED.
*/
- lock_page(page);
-
- /* we loop through the pagelist before adding in order
- to keep the pagelist sorted */
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
- /* this check is to catch the case where a new
- process could start writing to the same page
- through a new pte. this new access can cause the
- mkwrite even when the original ps's pte is marked
- writable */
- if (unlikely(cur == page))
- goto page_already_added;
- else if (cur->index > page->index)
- break;
- }
+ lock_page(pageref->page);

- list_add_tail(&page->lru, &cur->lru);
-
-page_already_added:
mutex_unlock(&fbdefio->lock);

/* come back after delay to process the deferred IO */
schedule_delayed_work(&info->deferred_work, fbdefio->delay);
return VM_FAULT_LOCKED;
+
+err_mutex_unlock:
+ mutex_unlock(&fbdefio->lock);
+ return ret;
}

static const struct vm_operations_struct fb_deferred_io_vm_ops = {
@@ -171,40 +222,65 @@ int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
/* workqueue callback */
static void fb_deferred_io_work(struct work_struct *work)
{
- struct fb_info *info = container_of(work, struct fb_info,
- deferred_work.work);
- struct list_head *node, *next;
- struct page *cur;
+ struct fb_info *info = container_of(work, struct fb_info, deferred_work.work);
+ struct fb_deferred_io_pageref *pageref, *next;
struct fb_deferred_io *fbdefio = info->fbdefio;

/* here we mkclean the pages, then do all deferred IO */
mutex_lock(&fbdefio->lock);
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+ list_for_each_entry(pageref, &fbdefio->pagereflist, list) {
+ struct page *cur = pageref->page;
lock_page(cur);
page_mkclean(cur);
unlock_page(cur);
}

- /* driver's callback with pagelist */
- fbdefio->deferred_io(info, &fbdefio->pagelist);
+ /* driver's callback with pagereflist */
+ fbdefio->deferred_io(info, &fbdefio->pagereflist);

/* clear the list */
- list_for_each_safe(node, next, &fbdefio->pagelist) {
- list_del(node);
- }
+ list_for_each_entry_safe(pageref, next, &fbdefio->pagereflist, list)
+ fb_deferred_io_pageref_put(pageref, info);
+
mutex_unlock(&fbdefio->lock);
}

-void fb_deferred_io_init(struct fb_info *info)
+int fb_deferred_io_init(struct fb_info *info)
{
struct fb_deferred_io *fbdefio = info->fbdefio;
+ struct fb_deferred_io_pageref *pagerefs;
+ unsigned long npagerefs, i;
+ int ret;

BUG_ON(!fbdefio);
+
+ if (WARN_ON(!info->fix.smem_len))
+ return -EINVAL;
+
mutex_init(&fbdefio->lock);
INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work);
- INIT_LIST_HEAD(&fbdefio->pagelist);
+ INIT_LIST_HEAD(&fbdefio->pagereflist);
if (fbdefio->delay == 0) /* set a default of 1 s */
fbdefio->delay = HZ;
+
+ npagerefs = DIV_ROUND_UP(info->fix.smem_len, PAGE_SIZE);
+
+ /* alloc a page ref for each page of the display memory */
+ pagerefs = kvcalloc(npagerefs, sizeof(*pagerefs), GFP_KERNEL);
+ if (!pagerefs) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ for (i = 0; i < npagerefs; ++i)
+ INIT_LIST_HEAD(&pagerefs[i].list);
+ info->npagerefs = npagerefs;
+ info->pagerefs = pagerefs;
+
+ return 0;
+
+err:
+ mutex_destroy(&fbdefio->lock);
+ return ret;
}
EXPORT_SYMBOL_GPL(fb_deferred_io_init);

@@ -212,25 +288,43 @@ void fb_deferred_io_open(struct fb_info *info,
struct inode *inode,
struct file *file)
{
+ struct fb_deferred_io *fbdefio = info->fbdefio;
+
file->f_mapping->a_ops = &fb_deferred_io_aops;
+ fbdefio->open_count++;
}
EXPORT_SYMBOL_GPL(fb_deferred_io_open);

-void fb_deferred_io_cleanup(struct fb_info *info)
+static void fb_deferred_io_lastclose(struct fb_info *info)
{
- struct fb_deferred_io *fbdefio = info->fbdefio;
struct page *page;
int i;

- BUG_ON(!fbdefio);
- cancel_delayed_work_sync(&info->deferred_work);
+ flush_delayed_work(&info->deferred_work);

/* clear out the mapping that we setup */
for (i = 0 ; i < info->fix.smem_len; i += PAGE_SIZE) {
page = fb_deferred_io_page(info, i);
page->mapping = NULL;
}
+}
+
+void fb_deferred_io_release(struct fb_info *info)
+{
+ struct fb_deferred_io *fbdefio = info->fbdefio;
+
+ if (!--fbdefio->open_count)
+ fb_deferred_io_lastclose(info);
+}
+EXPORT_SYMBOL_GPL(fb_deferred_io_release);
+
+void fb_deferred_io_cleanup(struct fb_info *info)
+{
+ struct fb_deferred_io *fbdefio = info->fbdefio;
+
+ fb_deferred_io_lastclose(info);

+ kvfree(info->pagerefs);
mutex_destroy(&fbdefio->lock);
}
EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 1b288a613a6e..ec7a883715e3 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1454,6 +1454,10 @@ __releases(&info->lock)
struct fb_info * const info = file->private_data;

lock_fb_info(info);
+#if IS_ENABLED(CONFIG_FB_DEFERRED_IO)
+ if (info->fbdefio)
+ fb_deferred_io_release(info);
+#endif
if (info->fbops->fb_release)
info->fbops->fb_release(info,1);
module_put(info->fbops->owner);
diff --git a/drivers/video/fbdev/hecubafb.c b/drivers/video/fbdev/hecubafb.c
index 00d77105161a..bd6b0dec414b 100644
--- a/drivers/video/fbdev/hecubafb.c
+++ b/drivers/video/fbdev/hecubafb.c
@@ -115,8 +115,7 @@ static void hecubafb_dpy_update(struct hecubafb_par *par)
}

/* this is called back from the deferred io workqueue */
-static void hecubafb_dpy_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void hecubafb_dpy_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
hecubafb_dpy_update(info->par);
}
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index de865e197c8d..6a881cfd7f5c 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -420,11 +420,10 @@ static void hvfb_docopy(struct hvfb_par *par,
}

/* Deferred IO callback */
-static void synthvid_deferred_io(struct fb_info *p,
- struct list_head *pagelist)
+static void synthvid_deferred_io(struct fb_info *p, struct list_head *pagereflist)
{
struct hvfb_par *par = p->par;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
unsigned long start, end;
int y1, y2, miny, maxy;

@@ -437,7 +436,8 @@ static void synthvid_deferred_io(struct fb_info *p,
* in synthvid_update function by clamping the y2
* value to yres.
*/
- list_for_each_entry(page, pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *page = pageref->page;
start = page->index << PAGE_SHIFT;
end = start + PAGE_SIZE - 1;
y1 = start / p->fix.line_length;
diff --git a/drivers/video/fbdev/metronomefb.c b/drivers/video/fbdev/metronomefb.c
index 952826557a0c..b8df0bb7cabc 100644
--- a/drivers/video/fbdev/metronomefb.c
+++ b/drivers/video/fbdev/metronomefb.c
@@ -465,16 +465,15 @@ static u16 metronomefb_dpy_update_page(struct metronomefb_par *par, int index)
}

/* this is called back from the deferred io workqueue */
-static void metronomefb_dpy_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void metronomefb_dpy_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
u16 cksum;
- struct page *cur;
- struct fb_deferred_io *fbdefio = info->fbdefio;
+ struct fb_deferred_io_pageref *pageref;
struct metronomefb_par *par = info->par;

/* walk the written page list and swizzle the data */
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *cur = pageref->page;
cksum = metronomefb_dpy_update_page(par,
(cur->index << PAGE_SHIFT));
par->metromem_img_csum -= par->csum_table[cur->index];
@@ -567,8 +566,9 @@ static const struct fb_ops metronomefb_ops = {
};

static struct fb_deferred_io metronomefb_defio = {
- .delay = HZ,
- .deferred_io = metronomefb_dpy_deferred_io,
+ .delay = HZ,
+ .sort_pagereflist = true,
+ .deferred_io = metronomefb_dpy_deferred_io,
};

static int metronomefb_probe(struct platform_device *dev)
diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c
index aa4ebe3192ec..e33c016c5428 100644
--- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
@@ -435,24 +435,24 @@ static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
.read_data = lcdc_sys_read_data,
};

-static int sh_mobile_lcdc_sginit(struct fb_info *info,
- struct list_head *pagelist)
+static int sh_mobile_lcdc_sginit(struct fb_info *info, struct list_head *pagereflist)
{
struct sh_mobile_lcdc_chan *ch = info->par;
unsigned int nr_pages_max = ch->fb_size >> PAGE_SHIFT;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
int nr_pages = 0;

sg_init_table(ch->sglist, nr_pages_max);

- list_for_each_entry(page, pagelist, lru)
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *page = pageref->page;
sg_set_page(&ch->sglist[nr_pages++], page, PAGE_SIZE, 0);
+ }

return nr_pages;
}

-static void sh_mobile_lcdc_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
struct sh_mobile_lcdc_chan *ch = info->par;
const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg;
@@ -461,7 +461,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info,
sh_mobile_lcdc_clk_on(ch->lcdc);

/*
- * It's possible to get here without anything on the pagelist via
+ * It's possible to get here without anything on the pagereflist via
* sh_mobile_lcdc_deferred_io_touch() or via a userspace fsync()
* invocation. In the former case, the acceleration routines are
* stepped in to when using the framebuffer console causing the
@@ -471,12 +471,12 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info,
* acceleration routines have their own methods for writing in
* that still need to be updated.
*
- * The fsync() and empty pagelist case could be optimized for,
+ * The fsync() and empty pagereflist case could be optimized for,
* but we don't bother, as any application exhibiting such
* behaviour is fundamentally broken anyways.
*/
- if (!list_empty(pagelist)) {
- unsigned int nr_pages = sh_mobile_lcdc_sginit(info, pagelist);
+ if (!list_empty(pagereflist)) {
+ unsigned int nr_pages = sh_mobile_lcdc_sginit(info, pagereflist);

/* trigger panel update */
dma_map_sg(ch->lcdc->dev, ch->sglist, nr_pages, DMA_TO_DEVICE);
diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
index b3295cd7fd4f..14e4e106d26b 100644
--- a/drivers/video/fbdev/smscufx.c
+++ b/drivers/video/fbdev/smscufx.c
@@ -953,12 +953,10 @@ static void ufx_ops_fillrect(struct fb_info *info,
* Touching ANY framebuffer memory that triggers a page fault
* in fb_defio will cause a deadlock, when it also tries to
* grab the same mutex. */
-static void ufx_dpy_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void ufx_dpy_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
- struct page *cur;
- struct fb_deferred_io *fbdefio = info->fbdefio;
struct ufx_data *dev = info->par;
+ struct fb_deferred_io_pageref *pageref;

if (!fb_defio)
return;
@@ -967,9 +965,10 @@ static void ufx_dpy_deferred_io(struct fb_info *info,
return;

/* walk the written page list and render each to device */
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
/* create a rectangle of full screen width that encloses the
* entire dirty framebuffer page */
+ struct page *cur = pageref->page;
const int x = 0;
const int width = dev->info->var.xres;
const int y = (cur->index << PAGE_SHIFT) / (width * 2);
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 1e2f71c2f8a8..7acf7c0b263e 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -370,8 +370,7 @@ static const struct fb_ops ssd1307fb_ops = {
.fb_imageblit = ssd1307fb_imageblit,
};

-static void ssd1307fb_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void ssd1307fb_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
ssd1307fb_update_display(info->par);
}
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 0de7b867714a..12bd5a7318e1 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -780,11 +780,9 @@ static void dlfb_ops_fillrect(struct fb_info *info,
* in fb_defio will cause a deadlock, when it also tries to
* grab the same mutex.
*/
-static void dlfb_dpy_deferred_io(struct fb_info *info,
- struct list_head *pagelist)
+static void dlfb_dpy_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
- struct page *cur;
- struct fb_deferred_io *fbdefio = info->fbdefio;
+ struct fb_deferred_io_pageref *pageref;
struct dlfb_data *dlfb = info->par;
struct urb *urb;
char *cmd;
@@ -810,7 +808,8 @@ static void dlfb_dpy_deferred_io(struct fb_info *info,
cmd = urb->transfer_buffer;

/* walk the written page list and render each to device */
- list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *cur = pageref->page;

if (dlfb_render_hline(dlfb, &urb, (char *) info->fix.smem_start,
&cmd, cur->index << PAGE_SHIFT,
@@ -982,6 +981,7 @@ static int dlfb_ops_open(struct fb_info *info, int user)

if (fbdefio) {
fbdefio->delay = DL_DEFIO_WRITE_DELAY;
+ fbdefio->sort_pagereflist = true;
fbdefio->deferred_io = dlfb_dpy_deferred_io;
}

diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c
index 5ec51445bee8..37e3f226f78c 100644
--- a/drivers/video/fbdev/xen-fbfront.c
+++ b/drivers/video/fbdev/xen-fbfront.c
@@ -181,17 +181,17 @@ static void xenfb_refresh(struct xenfb_info *info,
xenfb_do_update(info, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
}

-static void xenfb_deferred_io(struct fb_info *fb_info,
- struct list_head *pagelist)
+static void xenfb_deferred_io(struct fb_info *fb_info, struct list_head *pagereflist)
{
struct xenfb_info *info = fb_info->par;
- struct page *page;
+ struct fb_deferred_io_pageref *pageref;
unsigned long beg, end;
int y1, y2, miny, maxy;

miny = INT_MAX;
maxy = 0;
- list_for_each_entry(page, pagelist, lru) {
+ list_for_each_entry(pageref, pagereflist, list) {
+ struct page *page = pageref->page;
beg = page->index << PAGE_SHIFT;
end = beg + PAGE_SIZE - 1;
y1 = beg / fb_info->fix.line_length;
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index bb1122909396..843f9f8e3917 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -255,6 +255,7 @@ static struct watchdog_device wdt_dev = {
static int __init it87_wdt_init(void)
{
u8 chip_rev;
+ u8 ctrl;
int rc;

rc = superio_enter();
@@ -313,7 +314,18 @@ static int __init it87_wdt_init(void)

superio_select(GPIO);
superio_outb(WDT_TOV1, WDTCFG);
- superio_outb(0x00, WDTCTRL);
+
+ switch (chip_type) {
+ case IT8784_ID:
+ case IT8786_ID:
+ ctrl = superio_inb(WDTCTRL);
+ ctrl &= 0x08;
+ superio_outb(ctrl, WDTCTRL);
+ break;
+ default:
+ superio_outb(0x00, WDTCTRL);
+ }
+
superio_exit();

if (timeout < 1 || timeout > max_units * 60) {
diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c
index 4c13cbc99896..398ea69c176c 100644
--- a/drivers/xen/gntdev-dmabuf.c
+++ b/drivers/xen/gntdev-dmabuf.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/dma-buf.h>
+#include <linux/dma-direct.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/uaccess.h>
@@ -56,7 +57,7 @@ struct gntdev_dmabuf {

/* Number of pages this buffer has. */
int nr_pages;
- /* Pages of this buffer. */
+ /* Pages of this buffer (only for dma-buf export). */
struct page **pages;
};

@@ -490,7 +491,7 @@ static int dmabuf_exp_from_refs(struct gntdev_priv *priv, int flags,
/* DMA buffer import support. */

static int
-dmabuf_imp_grant_foreign_access(struct page **pages, u32 *refs,
+dmabuf_imp_grant_foreign_access(unsigned long *gfns, u32 *refs,
int count, int domid)
{
grant_ref_t priv_gref_head;
@@ -513,7 +514,7 @@ dmabuf_imp_grant_foreign_access(struct page **pages, u32 *refs,
}

gnttab_grant_foreign_access_ref(cur_ref, domid,
- xen_page_to_gfn(pages[i]), 0);
+ gfns[i], 0);
refs[i] = cur_ref;
}

@@ -535,7 +536,6 @@ static void dmabuf_imp_end_foreign_access(u32 *refs, int count)

static void dmabuf_imp_free_storage(struct gntdev_dmabuf *gntdev_dmabuf)
{
- kfree(gntdev_dmabuf->pages);
kfree(gntdev_dmabuf->u.imp.refs);
kfree(gntdev_dmabuf);
}
@@ -555,12 +555,6 @@ static struct gntdev_dmabuf *dmabuf_imp_alloc_storage(int count)
if (!gntdev_dmabuf->u.imp.refs)
goto fail;

- gntdev_dmabuf->pages = kcalloc(count,
- sizeof(gntdev_dmabuf->pages[0]),
- GFP_KERNEL);
- if (!gntdev_dmabuf->pages)
- goto fail;
-
gntdev_dmabuf->nr_pages = count;

for (i = 0; i < count; i++)
@@ -582,7 +576,8 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
struct dma_buf *dma_buf;
struct dma_buf_attachment *attach;
struct sg_table *sgt;
- struct sg_page_iter sg_iter;
+ struct sg_dma_page_iter sg_iter;
+ unsigned long *gfns;
int i;

dma_buf = dma_buf_get(fd);
@@ -630,26 +625,31 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,

gntdev_dmabuf->u.imp.sgt = sgt;

- /* Now convert sgt to array of pages and check for page validity. */
+ gfns = kcalloc(count, sizeof(*gfns), GFP_KERNEL);
+ if (!gfns) {
+ ret = ERR_PTR(-ENOMEM);
+ goto fail_unmap;
+ }
+
+ /*
+ * Now convert sgt to array of gfns without accessing underlying pages.
+ * It is not allowed to access the underlying struct page of an sg table
+ * exported by DMA-buf, but since we deal with special Xen dma device here
+ * (not a normal physical one) look at the dma addresses in the sg table
+ * and then calculate gfns directly from them.
+ */
i = 0;
- for_each_sgtable_page(sgt, &sg_iter, 0) {
- struct page *page = sg_page_iter_page(&sg_iter);
- /*
- * Check if page is valid: this can happen if we are given
- * a page from VRAM or other resources which are not backed
- * by a struct page.
- */
- if (!pfn_valid(page_to_pfn(page))) {
- ret = ERR_PTR(-EINVAL);
- goto fail_unmap;
- }
+ for_each_sgtable_dma_page(sgt, &sg_iter, 0) {
+ dma_addr_t addr = sg_page_iter_dma_address(&sg_iter);
+ unsigned long pfn = bfn_to_pfn(XEN_PFN_DOWN(dma_to_phys(dev, addr)));

- gntdev_dmabuf->pages[i++] = page;
+ gfns[i++] = pfn_to_gfn(pfn);
}

- ret = ERR_PTR(dmabuf_imp_grant_foreign_access(gntdev_dmabuf->pages,
+ ret = ERR_PTR(dmabuf_imp_grant_foreign_access(gfns,
gntdev_dmabuf->u.imp.refs,
count, domid));
+ kfree(gfns);
if (IS_ERR(ret))
goto fail_end_access;

diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index 1b4d5809808d..e0f5dcffe4e3 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -110,13 +110,14 @@ static struct afs_volume *afs_lookup_volume_rcu(struct afs_cell *cell,
{
struct afs_volume *volume = NULL;
struct rb_node *p;
- int seq = 0;
+ int seq = 1;

do {
/* Unfortunately, rbtree walking doesn't give reliable results
* under just the RCU read lock, so we have to check for
* changes.
*/
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&cell->volume_lock, &seq);

p = rcu_dereference_raw(cell->volumes.rb_node);
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index cec18f9f8bd7..106426de5027 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -492,6 +492,14 @@ static int afs_dir_iterate_block(struct afs_vnode *dvnode,
continue;
}

+ /* Don't expose silly rename entries to userspace. */
+ if (nlen > 6 &&
+ dire->u.name[0] == '.' &&
+ ctx->actor != afs_lookup_filldir &&
+ ctx->actor != afs_lookup_one_filldir &&
+ memcmp(dire->u.name, ".__afs", 6) == 0)
+ continue;
+
/* found the next entry */
if (!dir_emit(ctx, dire->u.name, nlen,
ntohl(dire->u.vnode),
diff --git a/fs/afs/server.c b/fs/afs/server.c
index ffed828622b6..34b47218129e 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -27,7 +27,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
const struct afs_addr_list *alist;
struct afs_server *server = NULL;
unsigned int i;
- int seq = 0, diff;
+ int seq = 1, diff;

rcu_read_lock();

@@ -35,6 +35,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
if (server)
afs_unuse_server_notime(net, server, afs_server_trace_put_find_rsq);
server = NULL;
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_addr_lock, &seq);

if (srx->transport.family == AF_INET6) {
@@ -90,7 +91,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
{
struct afs_server *server = NULL;
struct rb_node *p;
- int diff, seq = 0;
+ int diff, seq = 1;

_enter("%pU", uuid);

@@ -102,7 +103,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
if (server)
afs_unuse_server(net, server, afs_server_trace_put_uuid_rsq);
server = NULL;
-
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_lock, &seq);

p = net->fs_servers.rb_node;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1467bf439cb4..17ebcf19b444 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -282,6 +282,26 @@ struct btrfs_super_block {
#define BTRFS_FEATURE_COMPAT_RO_SAFE_SET 0ULL
#define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR 0ULL

+#ifdef CONFIG_BTRFS_DEBUG
+/*
+ * Extent tree v2 supported only with CONFIG_BTRFS_DEBUG
+ */
+#define BTRFS_FEATURE_INCOMPAT_SUPP \
+ (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \
+ BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \
+ BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS | \
+ BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \
+ BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \
+ BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD | \
+ BTRFS_FEATURE_INCOMPAT_RAID56 | \
+ BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \
+ BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \
+ BTRFS_FEATURE_INCOMPAT_NO_HOLES | \
+ BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \
+ BTRFS_FEATURE_INCOMPAT_RAID1C34 | \
+ BTRFS_FEATURE_INCOMPAT_ZONED | \
+ BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2)
+#else
#define BTRFS_FEATURE_INCOMPAT_SUPP \
(BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \
BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \
@@ -296,6 +316,7 @@ struct btrfs_super_block {
BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \
BTRFS_FEATURE_INCOMPAT_RAID1C34 | \
BTRFS_FEATURE_INCOMPAT_ZONED)
+#endif

#define BTRFS_FEATURE_INCOMPAT_SAFE_SET \
(BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF)
@@ -1361,6 +1382,7 @@ struct btrfs_drop_extents_args {

struct btrfs_file_private {
void *filldir_buf;
+ u64 last_index;
};

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index fd951aeaeac5..5a98c5da1225 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1513,6 +1513,7 @@ int btrfs_inode_delayed_dir_index_count(struct btrfs_inode *inode)
}

bool btrfs_readdir_get_delayed_items(struct inode *inode,
+ u64 last_index,
struct list_head *ins_list,
struct list_head *del_list)
{
@@ -1532,14 +1533,14 @@ bool btrfs_readdir_get_delayed_items(struct inode *inode,

mutex_lock(&delayed_node->mutex);
item = __btrfs_first_delayed_insertion_item(delayed_node);
- while (item) {
+ while (item && item->key.offset <= last_index) {
refcount_inc(&item->refs);
list_add_tail(&item->readdir_list, ins_list);
item = __btrfs_next_delayed_item(item);
}

item = __btrfs_first_delayed_deletion_item(delayed_node);
- while (item) {
+ while (item && item->key.offset <= last_index) {
refcount_inc(&item->refs);
list_add_tail(&item->readdir_list, del_list);
item = __btrfs_next_delayed_item(item);
diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
index b2412160c5bc..a9cfce856d2e 100644
--- a/fs/btrfs/delayed-inode.h
+++ b/fs/btrfs/delayed-inode.h
@@ -123,6 +123,7 @@ void btrfs_destroy_delayed_inodes(struct btrfs_fs_info *fs_info);

/* Used for readdir() */
bool btrfs_readdir_get_delayed_items(struct inode *inode,
+ u64 last_index,
struct list_head *ins_list,
struct list_head *del_list);
void btrfs_readdir_put_delayed_items(struct inode *inode,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index f0654fe80b34..9ae7c12668cd 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1619,8 +1619,17 @@ static struct btrfs_root *btrfs_get_root_ref(struct btrfs_fs_info *fs_info,
again:
root = btrfs_lookup_fs_root(fs_info, objectid);
if (root) {
- /* Shouldn't get preallocated anon_dev for cached roots */
- ASSERT(!anon_dev);
+ /*
+ * Some other caller may have read out the newly inserted
+ * subvolume already (for things like backref walk etc). Not
+ * that common but still possible. In that case, we just need
+ * to free the anon_dev.
+ */
+ if (unlikely(anon_dev)) {
+ free_anon_bdev(anon_dev);
+ anon_dev = 0;
+ }
+
if (check_ref && btrfs_root_refs(&root->root_item) == 0) {
btrfs_put_root(root);
return ERR_PTR(-ENOENT);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a19bdb359740..24cbddc0b36f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1206,7 +1206,8 @@ static int btrfs_issue_discard(struct block_device *bdev, u64 start, u64 len,
u64 bytes_left, end;
u64 aligned_start = ALIGN(start, 1 << 9);

- if (WARN_ON(start != aligned_start)) {
+ /* Adjust the range to be aligned to 512B sectors if necessary. */
+ if (start != aligned_start) {
len -= aligned_start - start;
len = round_down(len, 1 << 9);
start = aligned_start;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 95af29634e55..c7d8a18daaf5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4501,6 +4501,8 @@ int btrfs_delete_subvolume(struct inode *dir, struct dentry *dentry)
u64 root_flags;
int ret;

+ down_write(&fs_info->subvol_sem);
+
/*
* Don't allow to delete a subvolume with send in progress. This is
* inside the inode lock so the error handling that has to drop the bit
@@ -4512,25 +4514,25 @@ int btrfs_delete_subvolume(struct inode *dir, struct dentry *dentry)
btrfs_warn(fs_info,
"attempt to delete subvolume %llu during send",
dest->root_key.objectid);
- return -EPERM;
+ ret = -EPERM;
+ goto out_up_write;
}
if (atomic_read(&dest->nr_swapfiles)) {
spin_unlock(&dest->root_item_lock);
btrfs_warn(fs_info,
"attempt to delete subvolume %llu with active swapfile",
root->root_key.objectid);
- return -EPERM;
+ ret = -EPERM;
+ goto out_up_write;
}
root_flags = btrfs_root_flags(&dest->root_item);
btrfs_set_root_flags(&dest->root_item,
root_flags | BTRFS_ROOT_SUBVOL_DEAD);
spin_unlock(&dest->root_item_lock);

- down_write(&fs_info->subvol_sem);
-
ret = may_destroy_subvol(dest);
if (ret)
- goto out_up_write;
+ goto out_undead;

btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);
/*
@@ -4540,7 +4542,7 @@ int btrfs_delete_subvolume(struct inode *dir, struct dentry *dentry)
*/
ret = btrfs_subvolume_reserve_metadata(root, &block_rsv, 5, true);
if (ret)
- goto out_up_write;
+ goto out_undead;

trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
@@ -4606,15 +4608,17 @@ int btrfs_delete_subvolume(struct inode *dir, struct dentry *dentry)
inode->i_flags |= S_DEAD;
out_release:
btrfs_subvolume_release_metadata(root, &block_rsv);
-out_up_write:
- up_write(&fs_info->subvol_sem);
+out_undead:
if (ret) {
spin_lock(&dest->root_item_lock);
root_flags = btrfs_root_flags(&dest->root_item);
btrfs_set_root_flags(&dest->root_item,
root_flags & ~BTRFS_ROOT_SUBVOL_DEAD);
spin_unlock(&dest->root_item_lock);
- } else {
+ }
+out_up_write:
+ up_write(&fs_info->subvol_sem);
+ if (!ret) {
d_invalidate(dentry);
btrfs_prune_dentries(dest);
ASSERT(dest->send_in_progress == 0);
@@ -6121,6 +6125,78 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
return d_splice_alias(inode, dentry);
}

+/*
+ * Find the highest existing sequence number in a directory and then set the
+ * in-memory index_cnt variable to the first free sequence number.
+ */
+static int btrfs_set_inode_index_count(struct btrfs_inode *inode)
+{
+ struct btrfs_root *root = inode->root;
+ struct btrfs_key key, found_key;
+ struct btrfs_path *path;
+ struct extent_buffer *leaf;
+ int ret;
+
+ key.objectid = btrfs_ino(inode);
+ key.type = BTRFS_DIR_INDEX_KEY;
+ key.offset = (u64)-1;
+
+ path = btrfs_alloc_path();
+ if (!path)
+ return -ENOMEM;
+
+ ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+ if (ret < 0)
+ goto out;
+ /* FIXME: we should be able to handle this */
+ if (ret == 0)
+ goto out;
+ ret = 0;
+
+ if (path->slots[0] == 0) {
+ inode->index_cnt = BTRFS_DIR_START_INDEX;
+ goto out;
+ }
+
+ path->slots[0]--;
+
+ leaf = path->nodes[0];
+ btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
+
+ if (found_key.objectid != btrfs_ino(inode) ||
+ found_key.type != BTRFS_DIR_INDEX_KEY) {
+ inode->index_cnt = BTRFS_DIR_START_INDEX;
+ goto out;
+ }
+
+ inode->index_cnt = found_key.offset + 1;
+out:
+ btrfs_free_path(path);
+ return ret;
+}
+
+static int btrfs_get_dir_last_index(struct btrfs_inode *dir, u64 *index)
+{
+ int ret = 0;
+
+ btrfs_inode_lock(&dir->vfs_inode, 0);
+ if (dir->index_cnt == (u64)-1) {
+ ret = btrfs_inode_delayed_dir_index_count(dir);
+ if (ret) {
+ ret = btrfs_set_inode_index_count(dir);
+ if (ret)
+ goto out;
+ }
+ }
+
+ /* index_cnt is the index number of next new entry, so decrement it. */
+ *index = dir->index_cnt - 1;
+out:
+ btrfs_inode_unlock(&dir->vfs_inode, 0);
+
+ return ret;
+}
+
/*
* All this infrastructure exists because dir_emit can fault, and we are holding
* the tree lock when doing readdir. For now just allocate a buffer and copy
@@ -6133,10 +6209,17 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
static int btrfs_opendir(struct inode *inode, struct file *file)
{
struct btrfs_file_private *private;
+ u64 last_index;
+ int ret;
+
+ ret = btrfs_get_dir_last_index(BTRFS_I(inode), &last_index);
+ if (ret)
+ return ret;

private = kzalloc(sizeof(struct btrfs_file_private), GFP_KERNEL);
if (!private)
return -ENOMEM;
+ private->last_index = last_index;
private->filldir_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!private->filldir_buf) {
kfree(private);
@@ -6146,6 +6229,19 @@ static int btrfs_opendir(struct inode *inode, struct file *file)
return 0;
}

+static loff_t btrfs_dir_llseek(struct file *file, loff_t offset, int whence)
+{
+ struct btrfs_file_private *private = file->private_data;
+ int ret;
+
+ ret = btrfs_get_dir_last_index(BTRFS_I(file_inode(file)),
+ &private->last_index);
+ if (ret)
+ return ret;
+
+ return generic_file_llseek(file, offset, whence);
+}
+
struct dir_entry {
u64 ino;
u64 offset;
@@ -6205,7 +6301,8 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)

INIT_LIST_HEAD(&ins_list);
INIT_LIST_HEAD(&del_list);
- put = btrfs_readdir_get_delayed_items(inode, &ins_list, &del_list);
+ put = btrfs_readdir_get_delayed_items(inode, private->last_index,
+ &ins_list, &del_list);

again:
key.type = BTRFS_DIR_INDEX_KEY;
@@ -6238,6 +6335,8 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
break;
if (found_key.offset < ctx->pos)
goto next;
+ if (found_key.offset > private->last_index)
+ break;
if (btrfs_should_delete_dir_index(&del_list, found_key.offset))
goto next;
di = btrfs_item_ptr(leaf, slot, struct btrfs_dir_item);
@@ -6371,57 +6470,6 @@ static int btrfs_update_time(struct inode *inode, struct timespec64 *now,
return dirty ? btrfs_dirty_inode(inode) : 0;
}

-/*
- * find the highest existing sequence number in a directory
- * and then set the in-memory index_cnt variable to reflect
- * free sequence numbers
- */
-static int btrfs_set_inode_index_count(struct btrfs_inode *inode)
-{
- struct btrfs_root *root = inode->root;
- struct btrfs_key key, found_key;
- struct btrfs_path *path;
- struct extent_buffer *leaf;
- int ret;
-
- key.objectid = btrfs_ino(inode);
- key.type = BTRFS_DIR_INDEX_KEY;
- key.offset = (u64)-1;
-
- path = btrfs_alloc_path();
- if (!path)
- return -ENOMEM;
-
- ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
- if (ret < 0)
- goto out;
- /* FIXME: we should be able to handle this */
- if (ret == 0)
- goto out;
- ret = 0;
-
- if (path->slots[0] == 0) {
- inode->index_cnt = BTRFS_DIR_START_INDEX;
- goto out;
- }
-
- path->slots[0]--;
-
- leaf = path->nodes[0];
- btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
-
- if (found_key.objectid != btrfs_ino(inode) ||
- found_key.type != BTRFS_DIR_INDEX_KEY) {
- inode->index_cnt = BTRFS_DIR_START_INDEX;
- goto out;
- }
-
- inode->index_cnt = found_key.offset + 1;
-out:
- btrfs_free_path(path);
- return ret;
-}
-
/*
* helper to find a free sequence number in a given directory. This current
* code is very simple, later versions will do smarter things in the btree
@@ -11059,7 +11107,7 @@ static const struct inode_operations btrfs_dir_inode_operations = {
};

static const struct file_operations btrfs_dir_file_operations = {
- .llseek = generic_file_llseek,
+ .llseek = btrfs_dir_llseek,
.read = generic_read_dir,
.iterate_shared = btrfs_real_readdir,
.open = btrfs_opendir,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 233e465647fd..50f75986a79b 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -725,6 +725,9 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
struct btrfs_trans_handle *trans;
int ret;

+ if (btrfs_root_refs(&root->root_item) == 0)
+ return -ENOENT;
+
if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
return -EINVAL;

@@ -3183,6 +3186,10 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
ret = -EFAULT;
goto out;
}
+ if (range.flags & ~BTRFS_DEFRAG_RANGE_FLAGS_SUPP) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
/* compression requires us to start the IO */
if ((range.flags & BTRFS_DEFRAG_RANGE_COMPRESS)) {
range.flags |= BTRFS_DEFRAG_RANGE_START_IO;
@@ -4331,6 +4338,11 @@ static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg)
goto out;
}

+ if (sa->create && is_fstree(sa->qgroupid)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
trans = btrfs_join_transaction(root);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index d46a070275ff..34278cb5f964 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1608,6 +1608,15 @@ int btrfs_create_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid)
return ret;
}

+static bool qgroup_has_usage(struct btrfs_qgroup *qgroup)
+{
+ return (qgroup->rfer > 0 || qgroup->rfer_cmpr > 0 ||
+ qgroup->excl > 0 || qgroup->excl_cmpr > 0 ||
+ qgroup->rsv.values[BTRFS_QGROUP_RSV_DATA] > 0 ||
+ qgroup->rsv.values[BTRFS_QGROUP_RSV_META_PREALLOC] > 0 ||
+ qgroup->rsv.values[BTRFS_QGROUP_RSV_META_PERTRANS] > 0);
+}
+
int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
@@ -1627,6 +1636,11 @@ int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid)
goto out;
}

+ if (is_fstree(qgroupid) && qgroup_has_usage(qgroup)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
/* Check if there are no children of this qgroup */
if (!list_empty(&qgroup->members)) {
ret = -EBUSY;
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index 50a5a5cfe38f..492566691026 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -883,8 +883,10 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
out_unlock:
spin_unlock(&fs_info->ref_verify_lock);
out:
- if (ret)
+ if (ret) {
+ btrfs_free_ref_cache(fs_info);
btrfs_clear_opt(fs_info->mount_opt, REF_VERIFY);
+ }
return ret;
}

@@ -1013,8 +1015,8 @@ int btrfs_build_ref_tree(struct btrfs_fs_info *fs_info)
}
}
if (ret) {
- btrfs_clear_opt(fs_info->mount_opt, REF_VERIFY);
btrfs_free_ref_cache(fs_info);
+ btrfs_clear_opt(fs_info->mount_opt, REF_VERIFY);
}
btrfs_free_path(path);
return ret;
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index c9fd598b0325..9900f879fa34 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -7558,7 +7558,7 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg)
}

if (arg->flags & ~BTRFS_SEND_FLAG_MASK) {
- ret = -EINVAL;
+ ret = -EOPNOTSUPP;
goto out;
}

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 1c40e5151321..93a9dfbc8d13 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -283,9 +283,11 @@ BTRFS_FEAT_ATTR_INCOMPAT(no_holes, NO_HOLES);
BTRFS_FEAT_ATTR_INCOMPAT(metadata_uuid, METADATA_UUID);
BTRFS_FEAT_ATTR_COMPAT_RO(free_space_tree, FREE_SPACE_TREE);
BTRFS_FEAT_ATTR_INCOMPAT(raid1c34, RAID1C34);
-/* Remove once support for zoned allocation is feature complete */
#ifdef CONFIG_BTRFS_DEBUG
+/* Remove once support for zoned allocation is feature complete */
BTRFS_FEAT_ATTR_INCOMPAT(zoned, ZONED);
+/* Remove once support for extent tree v2 is feature complete */
+BTRFS_FEAT_ATTR_INCOMPAT(extent_tree_v2, EXTENT_TREE_V2);
#endif
#ifdef CONFIG_FS_VERITY
BTRFS_FEAT_ATTR_COMPAT_RO(verity, VERITY);
@@ -314,6 +316,7 @@ static struct attribute *btrfs_supported_feature_attrs[] = {
BTRFS_FEAT_ATTR_PTR(raid1c34),
#ifdef CONFIG_BTRFS_DEBUG
BTRFS_FEAT_ATTR_PTR(zoned),
+ BTRFS_FEAT_ATTR_PTR(extent_tree_v2),
#endif
#ifdef CONFIG_FS_VERITY
BTRFS_FEAT_ATTR_PTR(verity),
@@ -1523,6 +1526,10 @@ static ssize_t btrfs_devinfo_scrub_speed_max_store(struct kobject *kobj,
unsigned long long limit;

limit = memparse(buf, &endptr);
+ /* There could be trailing '\n', also catch any typos after the value. */
+ endptr = skip_spaces(endptr);
+ if (*endptr != 0)
+ return -EINVAL;
WRITE_ONCE(device->scrub_speed_max, limit);
return len;
}
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index bd71c7369794..a190ae887bdc 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -1382,7 +1382,7 @@ static int check_extent_item(struct extent_buffer *leaf,
if (unlikely(ptr + btrfs_extent_inline_ref_size(inline_type) > end)) {
extent_err(leaf, slot,
"inline ref item overflows extent item, ptr %lu iref size %u end %lu",
- ptr, inline_type, end);
+ ptr, btrfs_extent_inline_ref_size(inline_type), end);
return -EUCLEAN;
}

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index ca92f2d2f3c7..e37e9fa457af 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1390,7 +1390,7 @@ static void __prep_cap(struct cap_msg_args *arg, struct ceph_cap *cap,
if (flushing & CEPH_CAP_XATTR_EXCL) {
arg->old_xattr_buf = __ceph_build_xattrs_blob(ci);
arg->xattr_version = ci->i_xattrs.version;
- arg->xattr_buf = ci->i_xattrs.blob;
+ arg->xattr_buf = ceph_buffer_get(ci->i_xattrs.blob);
} else {
arg->xattr_buf = NULL;
arg->old_xattr_buf = NULL;
@@ -1456,6 +1456,7 @@ static void __send_cap(struct cap_msg_args *arg, struct ceph_inode_info *ci)
encode_cap_msg(msg, arg);
ceph_con_send(&arg->session->s_con, msg);
ceph_buffer_put(arg->old_xattr_buf);
+ ceph_buffer_put(arg->xattr_buf);
if (arg->wake)
wake_up_all(&ci->i_cap_wq);
}
@@ -4536,12 +4537,14 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry,
struct inode *dir,
int mds, int drop, int unless)
{
- struct dentry *parent = NULL;
struct ceph_mds_request_release *rel = *p;
struct ceph_dentry_info *di = ceph_dentry(dentry);
int force = 0;
int ret;

+ /* This shouldn't happen */
+ BUG_ON(!dir);
+
/*
* force an record for the directory caps if we have a dentry lease.
* this is racy (can't take i_ceph_lock and d_lock together), but it
@@ -4551,14 +4554,9 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry,
spin_lock(&dentry->d_lock);
if (di->lease_session && di->lease_session->s_mds == mds)
force = 1;
- if (!dir) {
- parent = dget(dentry->d_parent);
- dir = d_inode(parent);
- }
spin_unlock(&dentry->d_lock);

ret = ceph_encode_inode_release(p, dir, mds, drop, unless, force);
- dput(parent);

spin_lock(&dentry->d_lock);
if (ret && di->lease_session && di->lease_session->s_mds == mds) {
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index e2f401c8c5ce..8f409404aee1 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -113,7 +113,7 @@ static __u32 get_neg_ctxt_len(struct smb2_sync_hdr *hdr, __u32 len,
} else if (nc_offset + 1 == non_ctxlen) {
cifs_dbg(FYI, "no SPNEGO security blob in negprot rsp\n");
size_of_pad_before_neg_ctxts = 0;
- } else if (non_ctxlen == SMB311_NEGPROT_BASE_SIZE)
+ } else if (non_ctxlen == SMB311_NEGPROT_BASE_SIZE + 1)
/* has padding, but no SPNEGO blob */
size_of_pad_before_neg_ctxts = nc_offset - non_ctxlen + 1;
else
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index f31da2647d04..f8847546d6ac 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -5826,7 +5826,7 @@ struct smb_version_values smb20_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5848,7 +5848,7 @@ struct smb_version_values smb21_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5869,7 +5869,7 @@ struct smb_version_values smb3any_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5890,7 +5890,7 @@ struct smb_version_values smbdefault_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5911,7 +5911,7 @@ struct smb_version_values smb30_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5932,7 +5932,7 @@ struct smb_version_values smb302_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
@@ -5953,7 +5953,7 @@ struct smb_version_values smb311_values = {
.header_size = sizeof(struct smb2_sync_hdr),
.header_preamble_size = 0,
.max_header_size = MAX_SMB2_HDR_SIZE,
- .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .read_rsp_size = sizeof(struct smb2_read_rsp),
.lock_cmd = SMB2_LOCK,
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 6714e9db0ee8..a21eeb23f8e1 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1327,7 +1327,7 @@ SMB2_sess_sendreceive(struct SMB2_sess_data *sess_data)

/* Testing shows that buffer offset must be at location of Buffer[0] */
req->SecurityBufferOffset =
- cpu_to_le16(sizeof(struct smb2_sess_setup_req) - 1 /* pad */);
+ cpu_to_le16(sizeof(struct smb2_sess_setup_req));
req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len);

memset(&rqst, 0, sizeof(struct smb_rqst));
@@ -1826,8 +1826,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
iov[0].iov_len = total_len - 1;

/* Testing shows that buffer offset must be at location of Buffer[0] */
- req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)
- - 1 /* pad */);
+ req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req));
req->PathLength = cpu_to_le16(unc_path_len - 2);
iov[1].iov_base = unc_path;
iov[1].iov_len = unc_path_len;
@@ -4748,7 +4747,7 @@ int SMB2_query_directory_init(const unsigned int xid,
memcpy(bufptr, &asteriks, len);

req->FileNameOffset =
- cpu_to_le16(sizeof(struct smb2_query_directory_req) - 1);
+ cpu_to_le16(sizeof(struct smb2_query_directory_req));
req->FileNameLength = cpu_to_le16(len);
/*
* BB could be 30 bytes or so longer if we used SMB2 specific
@@ -4945,7 +4944,7 @@ SMB2_set_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server,
req->AdditionalInformation = cpu_to_le32(additional_info);

req->BufferOffset =
- cpu_to_le16(sizeof(struct smb2_set_info_req) - 1);
+ cpu_to_le16(sizeof(struct smb2_set_info_req));
req->BufferLength = cpu_to_le32(*size);

memcpy(req->Buffer, *data, *size);
@@ -5177,9 +5176,9 @@ build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon,
req->VolatileFileId = volatile_fid;
/* 1 for pad */
req->InputBufferOffset =
- cpu_to_le16(sizeof(struct smb2_query_info_req) - 1);
+ cpu_to_le16(sizeof(struct smb2_query_info_req));
req->OutputBufferLength = cpu_to_le32(
- outbuf_len + sizeof(struct smb2_query_info_rsp) - 1);
+ outbuf_len + sizeof(struct smb2_query_info_rsp));

iov->iov_base = (char *)req;
iov->iov_len = total_len;
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 301c155c5267..812a1b564fb2 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -218,7 +218,7 @@ struct smb2_err_rsp {
__le16 StructureSize;
__le16 Reserved; /* MBZ */
__le32 ByteCount; /* even if zero, at least one byte follows */
- __u8 ErrorData[1]; /* variable length */
+ __u8 ErrorData[]; /* variable length */
} __packed;

#define SYMLINK_ERROR_TAG 0x4c4d5953
@@ -487,7 +487,7 @@ struct smb2_negotiate_rsp {
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
__le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
- __u8 Buffer[1]; /* variable length GSS security buffer */
+ __u8 Buffer[]; /* variable length GSS security buffer */
} __packed;

/* Flags */
@@ -504,7 +504,7 @@ struct smb2_sess_setup_req {
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
__u64 PreviousSessionId;
- __u8 Buffer[1]; /* variable length GSS security buffer */
+ __u8 Buffer[]; /* variable length GSS security buffer */
} __packed;

/* Currently defined SessionFlags */
@@ -517,7 +517,7 @@ struct smb2_sess_setup_rsp {
__le16 SessionFlags;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
- __u8 Buffer[1]; /* variable length GSS security buffer */
+ __u8 Buffer[]; /* variable length GSS security buffer */
} __packed;

struct smb2_logoff_req {
@@ -543,7 +543,7 @@ struct smb2_tree_connect_req {
__le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */
__le16 PathOffset;
__le16 PathLength;
- __u8 Buffer[1]; /* variable length */
+ __u8 Buffer[]; /* variable length */
} __packed;

/* See MS-SMB2 section 2.2.9.2 */
@@ -852,7 +852,7 @@ struct smb2_create_rsp {
__u64 VolatileFileId; /* opaque endianness */
__le32 CreateContextsOffset;
__le32 CreateContextsLength;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

struct create_context {
@@ -1313,7 +1313,7 @@ struct smb2_read_plain_req {
__le32 RemainingBytes;
__le16 ReadChannelInfoOffset;
__le16 ReadChannelInfoLength;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

/* Read flags */
@@ -1328,7 +1328,7 @@ struct smb2_read_rsp {
__le32 DataLength;
__le32 DataRemaining;
__u32 Flags;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

/* For write request Flags field below the following flags are defined: */
@@ -1348,7 +1348,7 @@ struct smb2_write_req {
__le16 WriteChannelInfoOffset;
__le16 WriteChannelInfoLength;
__le32 Flags;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

struct smb2_write_rsp {
@@ -1359,7 +1359,7 @@ struct smb2_write_rsp {
__le32 DataLength;
__le32 DataRemaining;
__u32 Reserved2;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

/* notify flags */
@@ -1395,7 +1395,7 @@ struct smb2_change_notify_rsp {
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
- __u8 Buffer[1]; /* array of file notify structs */
+ __u8 Buffer[]; /* array of file notify structs */
} __packed;

#define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
@@ -1422,7 +1422,10 @@ struct smb2_lock_req {
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
/* Followed by at least one */
- struct smb2_lock_element locks[1];
+ union {
+ struct smb2_lock_element lock;
+ DECLARE_FLEX_ARRAY(struct smb2_lock_element, locks);
+ };
} __packed;

struct smb2_lock_rsp {
@@ -1478,7 +1481,7 @@ struct smb2_query_directory_req {
__le16 FileNameOffset;
__le16 FileNameLength;
__le32 OutputBufferLength;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

struct smb2_query_directory_rsp {
@@ -1486,7 +1489,7 @@ struct smb2_query_directory_rsp {
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

/* Possible InfoType values */
@@ -1527,7 +1530,7 @@ struct smb2_query_info_req {
__le32 Flags;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

struct smb2_query_info_rsp {
@@ -1535,7 +1538,7 @@ struct smb2_query_info_rsp {
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

/*
@@ -1558,7 +1561,7 @@ struct smb2_set_info_req {
__le32 AdditionalInformation;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
- __u8 Buffer[1];
+ __u8 Buffer[];
} __packed;

struct smb2_set_info_rsp {
@@ -1761,7 +1764,10 @@ struct smb2_file_all_info { /* data block encoding of response to level 18 */
__le32 Mode;
__le32 AlignmentRequirement;
__le32 FileNameLength;
- char FileName[1];
+ union {
+ char __pad; /* Legacy structure padding */
+ DECLARE_FLEX_ARRAY(char, FileName);
+ };
} __packed; /* level 18 Query */

struct smb2_file_eof_info { /* encoding of request for level 10 */
diff --git a/fs/dcache.c b/fs/dcache.c
index cf871a81f4fd..422c440b492a 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -762,12 +762,12 @@ static inline bool fast_dput(struct dentry *dentry)
*/
if (unlikely(ret < 0)) {
spin_lock(&dentry->d_lock);
- if (dentry->d_lockref.count > 1) {
- dentry->d_lockref.count--;
+ if (WARN_ON_ONCE(dentry->d_lockref.count <= 0)) {
spin_unlock(&dentry->d_lock);
return true;
}
- return false;
+ dentry->d_lockref.count--;
+ goto locked;
}

/*
@@ -825,6 +825,7 @@ static inline bool fast_dput(struct dentry *dentry)
* else could have killed it and marked it dead. Either way, we
* don't need to do anything else.
*/
+locked:
if (dentry->d_lockref.count) {
spin_unlock(&dentry->d_lock);
return true;
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 16d50dface59..bea4c2b0cd6b 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -76,6 +76,14 @@ static struct inode *__ecryptfs_get_inode(struct inode *lower_inode,

if (lower_inode->i_sb != ecryptfs_superblock_to_lower(sb))
return ERR_PTR(-EXDEV);
+
+ /* Reject dealing with casefold directories. */
+ if (IS_CASEFOLDED(lower_inode)) {
+ pr_err_ratelimited("%s: Can't handle casefolded directory.\n",
+ __func__);
+ return ERR_PTR(-EREMOTE);
+ }
+
if (!igrab(lower_inode))
return ERR_PTR(-ESTALE);
inode = iget5_locked(sb, (unsigned long)lower_inode,
diff --git a/fs/exec.c b/fs/exec.c
index 881390b44cfd..719115f23282 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1410,6 +1410,9 @@ int begin_new_exec(struct linux_binprm * bprm)

out_unlock:
up_write(&me->signal->exec_update_lock);
+ if (!bprm->cred)
+ mutex_unlock(&me->signal->cred_guard_mutex);
+
out:
return retval;
}
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e44c28ceb9cd..762c2f8b5b2a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -6434,11 +6434,16 @@ __acquires(bitlock)
static ext4_grpblk_t ext4_last_grp_cluster(struct super_block *sb,
ext4_group_t grp)
{
- if (grp < ext4_get_groups_count(sb))
- return EXT4_CLUSTERS_PER_GROUP(sb) - 1;
- return (ext4_blocks_count(EXT4_SB(sb)->s_es) -
- ext4_group_first_block_no(sb, grp) - 1) >>
- EXT4_CLUSTER_BITS(sb);
+ unsigned long nr_clusters_in_group;
+
+ if (grp < (ext4_get_groups_count(sb) - 1))
+ nr_clusters_in_group = EXT4_CLUSTERS_PER_GROUP(sb);
+ else
+ nr_clusters_in_group = (ext4_blocks_count(EXT4_SB(sb)->s_es) -
+ ext4_group_first_block_no(sb, grp))
+ >> EXT4_CLUSTER_BITS(sb);
+
+ return nr_clusters_in_group - 1;
}

static bool ext4_trim_interrupted(void)
@@ -6452,13 +6457,15 @@ static int ext4_try_to_trim_range(struct super_block *sb,
__acquires(ext4_group_lock_ptr(sb, e4b->bd_group))
__releases(ext4_group_lock_ptr(sb, e4b->bd_group))
{
- ext4_grpblk_t next, count, free_count;
+ ext4_grpblk_t next, count, free_count, last, origin_start;
bool set_trimmed = false;
void *bitmap;

+ last = ext4_last_grp_cluster(sb, e4b->bd_group);
bitmap = e4b->bd_bitmap;
- if (start == 0 && max >= ext4_last_grp_cluster(sb, e4b->bd_group))
+ if (start == 0 && max >= last)
set_trimmed = true;
+ origin_start = start;
start = max(e4b->bd_info->bb_first_free, start);
count = 0;
free_count = 0;
@@ -6467,7 +6474,10 @@ __releases(ext4_group_lock_ptr(sb, e4b->bd_group))
start = mb_find_next_zero_bit(bitmap, max + 1, start);
if (start > max)
break;
- next = mb_find_next_bit(bitmap, max + 1, start);
+
+ next = mb_find_next_bit(bitmap, last + 1, start);
+ if (origin_start == 0 && next >= last)
+ set_trimmed = true;

if ((next - start) >= minblocks) {
int ret = ext4_trim_extent(sb, start, next - start, e4b);
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 64a579734f93..f8dd5d972c33 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -615,6 +615,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
goto out;
o_end = o_start + len;

+ *moved_len = 0;
while (o_start < o_end) {
struct ext4_extent *ex;
ext4_lblk_t cur_blk, next_blk;
@@ -670,7 +671,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
*/
ext4_double_up_write_data_sem(orig_inode, donor_inode);
/* Swap original branches with new branches */
- move_extent_per_page(o_filp, donor_inode,
+ *moved_len += move_extent_per_page(o_filp, donor_inode,
orig_page_index, donor_page_index,
offset_in_page, cur_len,
unwritten, &ret);
@@ -680,9 +681,6 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
o_start += cur_len;
d_start += cur_len;
}
- *moved_len = o_start - orig_blk;
- if (*moved_len > len)
- *moved_len = len;

out:
if (*moved_len) {
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index d0c41343a5c4..70d4f6e3aaa7 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -227,17 +227,24 @@ struct ext4_new_flex_group_data {
in the flex group */
__u16 *bg_flags; /* block group flags of groups
in @groups */
+ ext4_group_t resize_bg; /* number of allocated
+ new_group_data */
ext4_group_t count; /* number of groups in @groups
*/
};

+/*
+ * Avoiding memory allocation failures due to too many groups added each time.
+ */
+#define MAX_RESIZE_BG 16384
+
/*
* alloc_flex_gd() allocates a ext4_new_flex_group_data with size of
* @flexbg_size.
*
* Returns NULL on failure otherwise address of the allocated structure.
*/
-static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned long flexbg_size)
+static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned int flexbg_size)
{
struct ext4_new_flex_group_data *flex_gd;

@@ -245,17 +252,18 @@ static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned long flexbg_size)
if (flex_gd == NULL)
goto out3;

- if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_group_data))
- goto out2;
- flex_gd->count = flexbg_size;
+ if (unlikely(flexbg_size > MAX_RESIZE_BG))
+ flex_gd->resize_bg = MAX_RESIZE_BG;
+ else
+ flex_gd->resize_bg = flexbg_size;

- flex_gd->groups = kmalloc_array(flexbg_size,
+ flex_gd->groups = kmalloc_array(flex_gd->resize_bg,
sizeof(struct ext4_new_group_data),
GFP_NOFS);
if (flex_gd->groups == NULL)
goto out2;

- flex_gd->bg_flags = kmalloc_array(flexbg_size, sizeof(__u16),
+ flex_gd->bg_flags = kmalloc_array(flex_gd->resize_bg, sizeof(__u16),
GFP_NOFS);
if (flex_gd->bg_flags == NULL)
goto out1;
@@ -292,7 +300,7 @@ static void free_flex_gd(struct ext4_new_flex_group_data *flex_gd)
*/
static int ext4_alloc_group_tables(struct super_block *sb,
struct ext4_new_flex_group_data *flex_gd,
- int flexbg_size)
+ unsigned int flexbg_size)
{
struct ext4_new_group_data *group_data = flex_gd->groups;
ext4_fsblk_t start_blk;
@@ -393,12 +401,12 @@ static int ext4_alloc_group_tables(struct super_block *sb,
group = group_data[0].group;

printk(KERN_DEBUG "EXT4-fs: adding a flex group with "
- "%d groups, flexbg size is %d:\n", flex_gd->count,
+ "%u groups, flexbg size is %u:\n", flex_gd->count,
flexbg_size);

for (i = 0; i < flex_gd->count; i++) {
ext4_debug(
- "adding %s group %u: %u blocks (%d free, %d mdata blocks)\n",
+ "adding %s group %u: %u blocks (%u free, %u mdata blocks)\n",
ext4_bg_has_super(sb, group + i) ? "normal" :
"no-super", group + i,
group_data[i].blocks_count,
@@ -1576,8 +1584,7 @@ static int ext4_flex_group_add(struct super_block *sb,

static int ext4_setup_next_flex_gd(struct super_block *sb,
struct ext4_new_flex_group_data *flex_gd,
- ext4_fsblk_t n_blocks_count,
- unsigned long flexbg_size)
+ ext4_fsblk_t n_blocks_count)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
@@ -1601,7 +1608,7 @@ static int ext4_setup_next_flex_gd(struct super_block *sb,
BUG_ON(last);
ext4_get_group_no_and_offset(sb, n_blocks_count - 1, &n_group, &last);

- last_group = group | (flexbg_size - 1);
+ last_group = group | (flex_gd->resize_bg - 1);
if (last_group > n_group)
last_group = n_group;

@@ -1963,8 +1970,9 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
ext4_fsblk_t o_blocks_count;
ext4_fsblk_t n_blocks_count_retry = 0;
unsigned long last_update_time = 0;
- int err = 0, flexbg_size = 1 << sbi->s_log_groups_per_flex;
+ int err = 0;
int meta_bg;
+ unsigned int flexbg_size = ext4_flex_bg_size(sbi);

/* See if the device is actually as big as what was requested */
bh = ext4_sb_bread(sb, n_blocks_count - 1, 0);
@@ -2105,8 +2113,7 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
/* Add flex groups. Note that a regular group is a
* flex group with 1 group.
*/
- while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count,
- flexbg_size)) {
+ while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count)) {
if (jiffies - last_update_time > HZ * 10) {
if (last_update_time)
ext4_msg(sb, KERN_INFO,
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 3982b4a7618c..7b4479d5b531 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1037,8 +1037,10 @@ static void set_cluster_dirty(struct compress_ctx *cc)
int i;

for (i = 0; i < cc->cluster_size; i++)
- if (cc->rpages[i])
+ if (cc->rpages[i]) {
set_page_dirty(cc->rpages[i]);
+ set_page_private_gcing(cc->rpages[i]);
+ }
}

static int prepare_compress_overwrite(struct compress_ctx *cc,
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d220c4523982..489854d841e7 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1278,6 +1278,7 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
}
f2fs_copy_page(psrc, pdst);
set_page_dirty(pdst);
+ set_page_private_gcing(pdst);
f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);

@@ -3981,6 +3982,7 @@ static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len)
break;
}
set_page_dirty(page);
+ set_page_private_gcing(page);
f2fs_put_page(page, 1);
f2fs_put_page(page, 0);
}
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index ba7eeb3c2738..f07ae58d266d 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -657,7 +657,16 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
*/
if (dest == NEW_ADDR) {
f2fs_truncate_data_blocks_range(&dn, 1);
- f2fs_reserve_new_block(&dn);
+ do {
+ err = f2fs_reserve_new_block(&dn);
+ if (err == -ENOSPC) {
+ f2fs_bug_on(sbi, 1);
+ break;
+ }
+ } while (err &&
+ IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION));
+ if (err)
+ goto err;
continue;
}

@@ -665,12 +674,14 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
if (f2fs_is_valid_blkaddr(sbi, dest, META_POR)) {

if (src == NULL_ADDR) {
- err = f2fs_reserve_new_block(&dn);
- while (err &&
- IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION))
+ do {
err = f2fs_reserve_new_block(&dn);
- /* We should not get -ENOSPC */
- f2fs_bug_on(sbi, err);
+ if (err == -ENOSPC) {
+ f2fs_bug_on(sbi, 1);
+ break;
+ }
+ } while (err &&
+ IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION));
if (err)
goto err;
}
@@ -860,6 +871,8 @@ int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
if (!err && fix_curseg_write_pointer && !f2fs_readonly(sbi->sb) &&
f2fs_sb_has_blkzoned(sbi)) {
err = f2fs_fix_curseg_write_pointer(sbi);
+ if (!err)
+ err = f2fs_check_write_pointer(sbi);
ret = err;
}

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 352230a011e0..54379ee573b1 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -135,6 +135,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
loff_t len, vma_len;
int ret;
struct hstate *h = hstate_file(file);
+ vm_flags_t vm_flags;

/*
* vma address alignment (but not the pgoff alignment) has
@@ -176,10 +177,20 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
file_accessed(file);

ret = -ENOMEM;
+
+ vm_flags = vma->vm_flags;
+ /*
+ * for SHM_HUGETLB, the pages are reserved in the shmget() call so skip
+ * reserving here. Note: only for SHM hugetlbfs file, the inode
+ * flag S_PRIVATE is set.
+ */
+ if (inode->i_flags & S_PRIVATE)
+ vm_flags |= VM_NORESERVE;
+
if (!hugetlb_reserve_pages(inode,
vma->vm_pgoff >> huge_page_order(h),
len >> huge_page_shift(h), vma,
- vma->vm_flags))
+ vm_flags))
goto out;

ret = 0;
diff --git a/fs/ioctl.c b/fs/ioctl.c
index e0a3455f9a0f..5b0ab4ad1772 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -920,8 +920,7 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
if (!f.file)
return -EBADF;

- /* RED-PEN how should LSM module know it's handling 32bit? */
- error = security_file_ioctl(f.file, cmd, arg);
+ error = security_file_ioctl_compat(f.file, cmd, arg);
if (error)
goto out;

diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 5b01026fff9b..3f5c14315719 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -63,10 +63,10 @@
*/
static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks);
-static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval);
-static int dbBackSplit(dmtree_t * tp, int leafno);
-static int dbJoin(dmtree_t * tp, int leafno, int newval);
-static void dbAdjTree(dmtree_t * tp, int leafno, int newval);
+static void dbSplit(dmtree_t *tp, int leafno, int splitsz, int newval, bool is_ctl);
+static int dbBackSplit(dmtree_t *tp, int leafno, bool is_ctl);
+static int dbJoin(dmtree_t *tp, int leafno, int newval, bool is_ctl);
+static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl);
static int dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc,
int level);
static int dbAllocAny(struct bmap * bmp, s64 nblocks, int l2nb, s64 * results);
@@ -2171,7 +2171,7 @@ static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
* system.
*/
if (dp->tree.stree[word] == NOFREE)
- dbBackSplit((dmtree_t *) & dp->tree, word);
+ dbBackSplit((dmtree_t *)&dp->tree, word, false);

dbAllocBits(bmp, dp, blkno, nblocks);
}
@@ -2257,7 +2257,7 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* the binary system of the leaves if need be.
*/
dbSplit(tp, word, BUDMIN,
- dbMaxBud((u8 *) & dp->wmap[word]));
+ dbMaxBud((u8 *)&dp->wmap[word]), false);

word += 1;
} else {
@@ -2297,7 +2297,7 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* system of the leaves to reflect the current
* allocation (size).
*/
- dbSplit(tp, word, size, NOFREE);
+ dbSplit(tp, word, size, NOFREE, false);

/* get the number of dmap words handled */
nw = BUDSIZE(size, BUDMIN);
@@ -2404,7 +2404,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
/* update the leaf for this dmap word.
*/
rc = dbJoin(tp, word,
- dbMaxBud((u8 *) & dp->wmap[word]));
+ dbMaxBud((u8 *)&dp->wmap[word]), false);
if (rc)
return rc;

@@ -2437,7 +2437,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,

/* update the leaf.
*/
- rc = dbJoin(tp, word, size);
+ rc = dbJoin(tp, word, size, false);
if (rc)
return rc;

@@ -2589,16 +2589,16 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
* that it is at the front of a binary buddy system.
*/
if (oldval == NOFREE) {
- rc = dbBackSplit((dmtree_t *) dcp, leafno);
+ rc = dbBackSplit((dmtree_t *)dcp, leafno, true);
if (rc) {
release_metapage(mp);
return rc;
}
oldval = dcp->stree[ti];
}
- dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval);
+ dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval, true);
} else {
- rc = dbJoin((dmtree_t *) dcp, leafno, newval);
+ rc = dbJoin((dmtree_t *) dcp, leafno, newval, true);
if (rc) {
release_metapage(mp);
return rc;
@@ -2629,7 +2629,7 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
*/
if (alloc) {
dbJoin((dmtree_t *) dcp, leafno,
- oldval);
+ oldval, true);
} else {
/* the dbJoin() above might have
* caused a larger binary buddy system
@@ -2639,9 +2639,9 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
*/
if (dcp->stree[ti] == NOFREE)
dbBackSplit((dmtree_t *)
- dcp, leafno);
+ dcp, leafno, true);
dbSplit((dmtree_t *) dcp, leafno,
- dcp->budmin, oldval);
+ dcp->budmin, oldval, true);
}

/* release the buffer and return the error.
@@ -2689,7 +2689,7 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
-static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
+static void dbSplit(dmtree_t *tp, int leafno, int splitsz, int newval, bool is_ctl)
{
int budsz;
int cursz;
@@ -2711,7 +2711,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
while (cursz >= splitsz) {
/* update the buddy's leaf with its new value.
*/
- dbAdjTree(tp, leafno ^ budsz, cursz);
+ dbAdjTree(tp, leafno ^ budsz, cursz, is_ctl);

/* on to the next size and buddy.
*/
@@ -2723,7 +2723,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
/* adjust the dmap tree to reflect the specified leaf's new
* value.
*/
- dbAdjTree(tp, leafno, newval);
+ dbAdjTree(tp, leafno, newval, is_ctl);
}

@@ -2754,7 +2754,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
-static int dbBackSplit(dmtree_t * tp, int leafno)
+static int dbBackSplit(dmtree_t *tp, int leafno, bool is_ctl)
{
int budsz, bud, w, bsz, size;
int cursz;
@@ -2805,7 +2805,7 @@ static int dbBackSplit(dmtree_t * tp, int leafno)
* system in two.
*/
cursz = leaf[bud] - 1;
- dbSplit(tp, bud, cursz, cursz);
+ dbSplit(tp, bud, cursz, cursz, is_ctl);
break;
}
}
@@ -2833,7 +2833,7 @@ static int dbBackSplit(dmtree_t * tp, int leafno)
*
* RETURN VALUES: none
*/
-static int dbJoin(dmtree_t * tp, int leafno, int newval)
+static int dbJoin(dmtree_t *tp, int leafno, int newval, bool is_ctl)
{
int budsz, buddy;
s8 *leaf;
@@ -2888,12 +2888,12 @@ static int dbJoin(dmtree_t * tp, int leafno, int newval)
if (leafno < buddy) {
/* leafno is the left buddy.
*/
- dbAdjTree(tp, buddy, NOFREE);
+ dbAdjTree(tp, buddy, NOFREE, is_ctl);
} else {
/* buddy is the left buddy and becomes
* leafno.
*/
- dbAdjTree(tp, leafno, NOFREE);
+ dbAdjTree(tp, leafno, NOFREE, is_ctl);
leafno = buddy;
}

@@ -2906,7 +2906,7 @@ static int dbJoin(dmtree_t * tp, int leafno, int newval)

/* update the leaf value.
*/
- dbAdjTree(tp, leafno, newval);
+ dbAdjTree(tp, leafno, newval, is_ctl);

return 0;
}
@@ -2927,15 +2927,20 @@ static int dbJoin(dmtree_t * tp, int leafno, int newval)
*
* RETURN VALUES: none
*/
-static void dbAdjTree(dmtree_t * tp, int leafno, int newval)
+static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl)
{
int lp, pp, k;
- int max;
+ int max, size;
+
+ size = is_ctl ? CTLTREESIZE : TREESIZE;

/* pick up the index of the leaf for this leafno.
*/
lp = leafno + le32_to_cpu(tp->dmt_leafidx);

+ if (WARN_ON_ONCE(lp >= size || lp < 0))
+ return;
+
/* is the current value the same as the old value ? if so,
* there is nothing to do.
*/
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 837d42f61464..a222a9d71887 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -633,6 +633,11 @@ int dtSearch(struct inode *ip, struct component_name * key, ino_t * data,
for (base = 0, lim = p->header.nextindex; lim; lim >>= 1) {
index = base + (lim >> 1);

+ if (stbl[index] < 0) {
+ rc = -EIO;
+ goto out;
+ }
+
if (p->header.flag & BT_LEAF) {
/* uppercase leaf name to compare */
cmp =
@@ -1970,7 +1975,7 @@ static int dtSplitRoot(tid_t tid,
do {
f = &rp->slot[fsi];
fsi = f->next;
- } while (fsi != -1);
+ } while (fsi >= 0);

f->next = n;
}
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 6ed2e1d4c894..ac42f8ee553f 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -2179,6 +2179,9 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
/* get the ag and iag numbers for this iag.
*/
agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi);
+ if (agno >= MAXAG || agno < 0)
+ return -EIO;
+
iagno = le32_to_cpu(iagp->iagnum);

/* check if this is the last free extent within the
diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
index aa4ff7bcaff2..55702b31ab3c 100644
--- a/fs/jfs/jfs_mount.c
+++ b/fs/jfs/jfs_mount.c
@@ -172,15 +172,15 @@ int jfs_mount(struct super_block *sb)
}
jfs_info("jfs_mount: ipimap:0x%p", ipimap);

- /* map further access of per fileset inodes by the fileset inode */
- sbi->ipimap = ipimap;
-
/* initialize fileset inode allocation map */
if ((rc = diMount(ipimap))) {
jfs_err("jfs_mount: diMount failed w/rc = %d", rc);
goto err_ipimap;
}

+ /* map further access of per fileset inodes by the fileset inode */
+ sbi->ipimap = ipimap;
+
return rc;

/*
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 6a1cb2a182b6..36430bdf9381 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -654,6 +654,18 @@ struct kernfs_node *kernfs_new_node(struct kernfs_node *parent,
{
struct kernfs_node *kn;

+ if (parent->mode & S_ISGID) {
+ /* this code block imitates inode_init_owner() for
+ * kernfs
+ */
+
+ if (parent->iattr)
+ gid = parent->iattr->ia_gid;
+
+ if (flags & KERNFS_DIR)
+ mode |= S_ISGID;
+ }
+
kn = __kernfs_new_node(kernfs_root(parent), parent,
name, mode, uid, gid, flags);
if (kn) {
diff --git a/fs/ksmbd/asn1.c b/fs/ksmbd/asn1.c
index 4a4b2b03ff33..b931a99ab9c8 100644
--- a/fs/ksmbd/asn1.c
+++ b/fs/ksmbd/asn1.c
@@ -214,10 +214,15 @@ static int ksmbd_neg_token_alloc(void *context, size_t hdrlen,
{
struct ksmbd_conn *conn = context;

+ if (!vlen)
+ return -EINVAL;
+
conn->mechToken = kmemdup_nul(value, vlen, GFP_KERNEL);
if (!conn->mechToken)
return -ENOMEM;

+ conn->mechTokenLen = (unsigned int)vlen;
+
return 0;
}

diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c
index 0a7a30bd531f..63815c4df133 100644
--- a/fs/ksmbd/connection.c
+++ b/fs/ksmbd/connection.c
@@ -284,6 +284,7 @@ int ksmbd_conn_handler_loop(void *p)
goto out;

conn->last_active = jiffies;
+ set_freezable();
while (ksmbd_conn_alive(conn)) {
if (try_to_freeze())
continue;
@@ -415,13 +416,7 @@ static void stop_sessions(void)
again:
down_read(&conn_list_lock);
list_for_each_entry(conn, &conn_list, conns_list) {
- struct task_struct *task;
-
t = conn->transport;
- task = t->handler;
- if (task)
- ksmbd_debug(CONN, "Stop session handler %s/%d\n",
- task->comm, task_pid_nr(task));
ksmbd_conn_set_exiting(conn);
if (t->ops->shutdown) {
up_read(&conn_list_lock);
diff --git a/fs/ksmbd/connection.h b/fs/ksmbd/connection.h
index 3c005246a32e..0e04cf8b1d89 100644
--- a/fs/ksmbd/connection.h
+++ b/fs/ksmbd/connection.h
@@ -88,6 +88,7 @@ struct ksmbd_conn {
__u16 dialect;

char *mechToken;
+ unsigned int mechTokenLen;

struct ksmbd_conn_ops *conn_ops;

@@ -134,7 +135,6 @@ struct ksmbd_transport_ops {
struct ksmbd_transport {
struct ksmbd_conn *conn;
struct ksmbd_transport_ops *ops;
- struct task_struct *handler;
};

#define KSMBD_TCP_RECV_TIMEOUT (7 * HZ)
diff --git a/fs/ksmbd/ksmbd_netlink.h b/fs/ksmbd/ksmbd_netlink.h
index 821ed8e3cbee..ecffcb8a1557 100644
--- a/fs/ksmbd/ksmbd_netlink.h
+++ b/fs/ksmbd/ksmbd_netlink.h
@@ -304,7 +304,8 @@ enum ksmbd_event {
KSMBD_EVENT_SPNEGO_AUTHEN_REQUEST,
KSMBD_EVENT_SPNEGO_AUTHEN_RESPONSE = 15,

- KSMBD_EVENT_MAX
+ __KSMBD_EVENT_MAX,
+ KSMBD_EVENT_MAX = __KSMBD_EVENT_MAX - 1
};

/*
diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c
index 2da256259722..4e444d01a3c3 100644
--- a/fs/ksmbd/oplock.c
+++ b/fs/ksmbd/oplock.c
@@ -105,7 +105,7 @@ static int alloc_lease(struct oplock_info *opinfo, struct lease_ctx_info *lctx)
lease->is_dir = lctx->is_dir;
memcpy(lease->parent_lease_key, lctx->parent_lease_key, SMB2_LEASE_KEY_SIZE);
lease->version = lctx->version;
- lease->epoch = le16_to_cpu(lctx->epoch);
+ lease->epoch = le16_to_cpu(lctx->epoch) + 1;
INIT_LIST_HEAD(&opinfo->lease_entry);
opinfo->o_lease = lease;

@@ -546,6 +546,7 @@ static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci,
atomic_read(&ci->sop_count)) == 1) {
if (lease->state != SMB2_LEASE_NONE_LE &&
lease->state == (lctx->req_state & lease->state)) {
+ lease->epoch++;
lease->state |= lctx->req_state;
if (lctx->req_state &
SMB2_LEASE_WRITE_CACHING_LE)
@@ -556,13 +557,17 @@ static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci,
atomic_read(&ci->sop_count)) > 1) {
if (lctx->req_state ==
(SMB2_LEASE_READ_CACHING_LE |
- SMB2_LEASE_HANDLE_CACHING_LE))
+ SMB2_LEASE_HANDLE_CACHING_LE)) {
+ lease->epoch++;
lease->state = lctx->req_state;
+ }
}

if (lctx->req_state && lease->state ==
- SMB2_LEASE_NONE_LE)
+ SMB2_LEASE_NONE_LE) {
+ lease->epoch++;
lease_none_upgrade(opinfo, lctx->req_state);
+ }
}
read_lock(&ci->m_lock);
}
@@ -1035,7 +1040,8 @@ static void copy_lease(struct oplock_info *op1, struct oplock_info *op2)
SMB2_LEASE_KEY_SIZE);
lease2->duration = lease1->duration;
lease2->flags = lease1->flags;
- lease2->epoch = lease1->epoch++;
+ lease2->epoch = lease1->epoch;
+ lease2->version = lease1->version;
}

static int add_lease_global_list(struct oplock_info *opinfo)
@@ -1191,6 +1197,12 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
bool prev_op_has_lease;
__le32 prev_op_state = 0;

+ /* Only v2 leases handle the directory */
+ if (S_ISDIR(file_inode(fp->filp)->i_mode)) {
+ if (!lctx || lctx->version != 2)
+ return 0;
+ }
+
opinfo = alloc_opinfo(work, pid, tid);
if (!opinfo)
return -ENOMEM;
@@ -1447,7 +1459,7 @@ void create_lease_buf(u8 *rbuf, struct lease *lease)
memcpy(buf->lcontext.LeaseKey, lease->lease_key,
SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseFlags = lease->flags;
- buf->lcontext.Epoch = cpu_to_le16(++lease->epoch);
+ buf->lcontext.Epoch = cpu_to_le16(lease->epoch);
buf->lcontext.LeaseState = lease->state;
memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key,
SMB2_LEASE_KEY_SIZE);
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 8875c04e8382..7e8f1c89124f 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -1414,7 +1414,10 @@ static struct ksmbd_user *session_user(struct ksmbd_conn *conn,
char *name;
unsigned int name_off, name_len, secbuf_len;

- secbuf_len = le16_to_cpu(req->SecurityBufferLength);
+ if (conn->use_spnego && conn->mechToken)
+ secbuf_len = conn->mechTokenLen;
+ else
+ secbuf_len = le16_to_cpu(req->SecurityBufferLength);
if (secbuf_len < sizeof(struct authenticate_message)) {
ksmbd_debug(SMB, "blob len %d too small\n", secbuf_len);
return NULL;
@@ -1505,7 +1508,10 @@ static int ntlm_authenticate(struct ksmbd_work *work,
struct authenticate_message *authblob;

authblob = user_authblob(conn, req);
- sz = le16_to_cpu(req->SecurityBufferLength);
+ if (conn->use_spnego && conn->mechToken)
+ sz = conn->mechTokenLen;
+ else
+ sz = le16_to_cpu(req->SecurityBufferLength);
rc = ksmbd_decode_ntlmssp_auth_blob(authblob, sz, conn, sess);
if (rc) {
set_user_flag(sess->user, KSMBD_USER_FLAG_BAD_PASSWORD);
@@ -1778,8 +1784,7 @@ int smb2_sess_setup(struct ksmbd_work *work)

negblob_off = le16_to_cpu(req->SecurityBufferOffset);
negblob_len = le16_to_cpu(req->SecurityBufferLength);
- if (negblob_off < offsetof(struct smb2_sess_setup_req, Buffer) ||
- negblob_len < offsetof(struct negotiate_message, NegotiateFlags)) {
+ if (negblob_off < offsetof(struct smb2_sess_setup_req, Buffer)) {
rc = -EINVAL;
goto out_err;
}
@@ -1788,8 +1793,15 @@ int smb2_sess_setup(struct ksmbd_work *work)
negblob_off);

if (decode_negotiation_token(conn, negblob, negblob_len) == 0) {
- if (conn->mechToken)
+ if (conn->mechToken) {
negblob = (struct negotiate_message *)conn->mechToken;
+ negblob_len = conn->mechTokenLen;
+ }
+ }
+
+ if (negblob_len < offsetof(struct negotiate_message, NegotiateFlags)) {
+ rc = -EINVAL;
+ goto out_err;
}

if (server_conf.auth_mechs & conn->auth_mechs) {
@@ -2311,11 +2323,12 @@ static noinline int create_smb2_pipe(struct ksmbd_work *work)
* @eabuf: set info command buffer
* @buf_len: set info command buffer length
* @path: dentry path for get ea
+ * @get_write: get write access to a mount
*
* Return: 0 on success, otherwise error
*/
static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
- const struct path *path)
+ const struct path *path, bool get_write)
{
struct user_namespace *user_ns = mnt_user_ns(path->mnt);
char *attr_name = NULL, *value;
@@ -2968,7 +2981,7 @@ int smb2_open(struct ksmbd_work *work)
&may_flags);

if (!test_tree_conn_flag(tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {
- if (open_flags & O_CREAT) {
+ if (open_flags & (O_CREAT | O_TRUNC)) {
ksmbd_debug(SMB,
"User does not have write permission\n");
rc = -EACCES;
@@ -3000,7 +3013,7 @@ int smb2_open(struct ksmbd_work *work)

rc = smb2_set_ea(&ea_buf->ea,
le32_to_cpu(ea_buf->ccontext.DataLength),
- &path);
+ &path, false);
if (rc == -EOPNOTSUPP)
rc = 0;
else if (rc)
@@ -5568,6 +5581,7 @@ static int smb2_rename(struct ksmbd_work *work,
if (!file_info->ReplaceIfExists)
flags = RENAME_NOREPLACE;

+ smb_break_all_levII_oplock(work, fp, 0);
rc = ksmbd_vfs_rename(work, &fp->filp->f_path, new_name, flags);
out:
kfree(new_name);
@@ -5945,12 +5959,6 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp,
}
case FILE_RENAME_INFORMATION:
{
- if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {
- ksmbd_debug(SMB,
- "User does not have write permission\n");
- return -EACCES;
- }
-
if (buf_len < sizeof(struct smb2_file_rename_info))
return -EINVAL;

@@ -5970,12 +5978,6 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp,
}
case FILE_DISPOSITION_INFORMATION:
{
- if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {
- ksmbd_debug(SMB,
- "User does not have write permission\n");
- return -EACCES;
- }
-
if (buf_len < sizeof(struct smb2_file_disposition_info))
return -EINVAL;

@@ -5994,7 +5996,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp,
return -EINVAL;

return smb2_set_ea((struct smb2_ea_info *)req->Buffer,
- buf_len, &fp->filp->f_path);
+ buf_len, &fp->filp->f_path, true);
}
case FILE_POSITION_INFORMATION:
{
@@ -6037,7 +6039,7 @@ int smb2_set_info(struct ksmbd_work *work)
{
struct smb2_set_info_req *req;
struct smb2_set_info_rsp *rsp;
- struct ksmbd_file *fp;
+ struct ksmbd_file *fp = NULL;
int rc = 0;
unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;

@@ -6057,6 +6059,13 @@ int smb2_set_info(struct ksmbd_work *work)
rsp = smb2_get_msg(work->response_buf);
}

+ if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) {
+ ksmbd_debug(SMB, "User does not have write permission\n");
+ pr_err("User does not have write permission\n");
+ rc = -EACCES;
+ goto err_out;
+ }
+
if (!has_file_id(id)) {
id = req->VolatileFileId;
pid = req->PersistentFileId;
diff --git a/fs/ksmbd/smbacl.c b/fs/ksmbd/smbacl.c
index 9ace5027684d..3a6c0abdb035 100644
--- a/fs/ksmbd/smbacl.c
+++ b/fs/ksmbd/smbacl.c
@@ -399,10 +399,6 @@ static void parse_dacl(struct user_namespace *user_ns,
if (num_aces > ULONG_MAX / sizeof(struct smb_ace *))
return;

- ppace = kmalloc_array(num_aces, sizeof(struct smb_ace *), GFP_KERNEL);
- if (!ppace)
- return;
-
ret = init_acl_state(&acl_state, num_aces);
if (ret)
return;
@@ -412,6 +408,13 @@ static void parse_dacl(struct user_namespace *user_ns,
return;
}

+ ppace = kmalloc_array(num_aces, sizeof(struct smb_ace *), GFP_KERNEL);
+ if (!ppace) {
+ free_acl_state(&default_acl_state);
+ free_acl_state(&acl_state);
+ return;
+ }
+
/*
* reset rwx permissions for user/group/other.
* Also, if num_aces is 0 i.e. DACL has no ACEs,
diff --git a/fs/ksmbd/transport_ipc.c b/fs/ksmbd/transport_ipc.c
index 9560c704033e..2c9662e32799 100644
--- a/fs/ksmbd/transport_ipc.c
+++ b/fs/ksmbd/transport_ipc.c
@@ -74,7 +74,7 @@ static int handle_unsupported_event(struct sk_buff *skb, struct genl_info *info)
static int handle_generic_event(struct sk_buff *skb, struct genl_info *info);
static int ksmbd_ipc_heartbeat_request(void);

-static const struct nla_policy ksmbd_nl_policy[KSMBD_EVENT_MAX] = {
+static const struct nla_policy ksmbd_nl_policy[KSMBD_EVENT_MAX + 1] = {
[KSMBD_EVENT_UNSPEC] = {
.len = 0,
},
@@ -402,7 +402,7 @@ static int handle_generic_event(struct sk_buff *skb, struct genl_info *info)
return -EPERM;
#endif

- if (type >= KSMBD_EVENT_MAX) {
+ if (type > KSMBD_EVENT_MAX) {
WARN_ON(1);
return -EINVAL;
}
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
index 252a1e7afcc0..355673f2830b 100644
--- a/fs/ksmbd/transport_rdma.c
+++ b/fs/ksmbd/transport_rdma.c
@@ -2039,6 +2039,7 @@ static bool rdma_frwr_is_supported(struct ib_device_attr *attrs)
static int smb_direct_handle_connect_request(struct rdma_cm_id *new_cm_id)
{
struct smb_direct_transport *t;
+ struct task_struct *handler;
int ret;

if (!rdma_frwr_is_supported(&new_cm_id->device->attrs)) {
@@ -2056,11 +2057,11 @@ static int smb_direct_handle_connect_request(struct rdma_cm_id *new_cm_id)
if (ret)
goto out_err;

- KSMBD_TRANS(t)->handler = kthread_run(ksmbd_conn_handler_loop,
- KSMBD_TRANS(t)->conn, "ksmbd:r%u",
- smb_direct_port);
- if (IS_ERR(KSMBD_TRANS(t)->handler)) {
- ret = PTR_ERR(KSMBD_TRANS(t)->handler);
+ handler = kthread_run(ksmbd_conn_handler_loop,
+ KSMBD_TRANS(t)->conn, "ksmbd:r%u",
+ smb_direct_port);
+ if (IS_ERR(handler)) {
+ ret = PTR_ERR(handler);
pr_err("Can't start thread\n");
goto out_err;
}
diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c
index eff7a1d793f0..9d4222154dcc 100644
--- a/fs/ksmbd/transport_tcp.c
+++ b/fs/ksmbd/transport_tcp.c
@@ -185,6 +185,7 @@ static int ksmbd_tcp_new_connection(struct socket *client_sk)
struct sockaddr *csin;
int rc = 0;
struct tcp_transport *t;
+ struct task_struct *handler;

t = alloc_transport(client_sk);
if (!t) {
@@ -199,13 +200,13 @@ static int ksmbd_tcp_new_connection(struct socket *client_sk)
goto out_error;
}

- KSMBD_TRANS(t)->handler = kthread_run(ksmbd_conn_handler_loop,
- KSMBD_TRANS(t)->conn,
- "ksmbd:%u",
- ksmbd_tcp_get_port(csin));
- if (IS_ERR(KSMBD_TRANS(t)->handler)) {
+ handler = kthread_run(ksmbd_conn_handler_loop,
+ KSMBD_TRANS(t)->conn,
+ "ksmbd:%u",
+ ksmbd_tcp_get_port(csin));
+ if (IS_ERR(handler)) {
pr_err("cannot start conn thread\n");
- rc = PTR_ERR(KSMBD_TRANS(t)->handler);
+ rc = PTR_ERR(handler);
free_transport(t);
}
return rc;
diff --git a/fs/namei.c b/fs/namei.c
index a7f88c5b3d90..05d45b9b59cb 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2993,20 +2993,14 @@ static struct dentry *lock_two_directories(struct dentry *p1, struct dentry *p2)
p = d_ancestor(p2, p1);
if (p) {
inode_lock_nested(p2->d_inode, I_MUTEX_PARENT);
- inode_lock_nested(p1->d_inode, I_MUTEX_CHILD);
+ inode_lock_nested(p1->d_inode, I_MUTEX_PARENT2);
return p;
}

p = d_ancestor(p1, p2);
- if (p) {
- inode_lock_nested(p1->d_inode, I_MUTEX_PARENT);
- inode_lock_nested(p2->d_inode, I_MUTEX_CHILD);
- return p;
- }
-
- lock_two_inodes(p1->d_inode, p2->d_inode,
- I_MUTEX_PARENT, I_MUTEX_PARENT2);
- return NULL;
+ inode_lock_nested(p1->d_inode, I_MUTEX_PARENT);
+ inode_lock_nested(p2->d_inode, I_MUTEX_PARENT2);
+ return p;
}

/*
@@ -4691,11 +4685,12 @@ SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname
*
* a) we can get into loop creation.
* b) race potential - two innocent renames can create a loop together.
- * That's where 4.4 screws up. Current fix: serialization on
+ * That's where 4.4BSD screws up. Current fix: serialization on
* sb->s_vfs_rename_mutex. We might be more accurate, but that's another
* story.
- * c) we have to lock _four_ objects - parents and victim (if it exists),
- * and source.
+ * c) we may have to lock up to _four_ objects - parents and victim (if it exists),
+ * and source (if it's a non-directory or a subdirectory that moves to
+ * different parent).
* And that - after we got ->i_mutex on parents (until then we don't know
* whether the target exists). Solution: try to be smart with locking
* order for inodes. We rely on the fact that tree topology may change
@@ -4727,6 +4722,7 @@ int vfs_rename(struct renamedata *rd)
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
struct name_snapshot old_name;
+ bool lock_old_subdir, lock_new_subdir;

if (source == target)
return 0;
@@ -4780,15 +4776,32 @@ int vfs_rename(struct renamedata *rd)
take_dentry_name_snapshot(&old_name, old_dentry);
dget(new_dentry);
/*
- * Lock all moved children. Moved directories may need to change parent
- * pointer so they need the lock to prevent against concurrent
- * directory changes moving parent pointer. For regular files we've
- * historically always done this. The lockdep locking subclasses are
- * somewhat arbitrary but RENAME_EXCHANGE in particular can swap
- * regular files and directories so it's difficult to tell which
- * subclasses to use.
+ * Lock children.
+ * The source subdirectory needs to be locked on cross-directory
+ * rename or cross-directory exchange since its parent changes.
+ * The target subdirectory needs to be locked on cross-directory
+ * exchange due to parent change and on any rename due to becoming
+ * a victim.
+ * Non-directories need locking in all cases (for NFS reasons);
+ * they get locked after any subdirectories (in inode address order).
+ *
+ * NOTE: WE ONLY LOCK UNRELATED DIRECTORIES IN CROSS-DIRECTORY CASE.
+ * NEVER, EVER DO THAT WITHOUT ->s_vfs_rename_mutex.
*/
- lock_two_inodes(source, target, I_MUTEX_NORMAL, I_MUTEX_NONDIR2);
+ lock_old_subdir = new_dir != old_dir;
+ lock_new_subdir = new_dir != old_dir || !(flags & RENAME_EXCHANGE);
+ if (is_dir) {
+ if (lock_old_subdir)
+ inode_lock_nested(source, I_MUTEX_CHILD);
+ if (target && (!new_is_dir || lock_new_subdir))
+ inode_lock(target);
+ } else if (new_is_dir) {
+ if (lock_new_subdir)
+ inode_lock_nested(target, I_MUTEX_CHILD);
+ inode_lock(source);
+ } else {
+ lock_two_nondirectories(source, target);
+ }

error = -EPERM;
if (IS_SWAPFILE(source) || (target && IS_SWAPFILE(target)))
@@ -4836,8 +4849,9 @@ int vfs_rename(struct renamedata *rd)
d_exchange(old_dentry, new_dentry);
}
out:
- inode_unlock(source);
- if (target)
+ if (!is_dir || lock_old_subdir)
+ inode_unlock(source);
+ if (target && (!new_is_dir || lock_new_subdir))
inode_unlock(target);
dput(new_dentry);
if (!error) {
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index 8fedc7104320..22b1ca5c379d 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -40,8 +40,21 @@ static inline struct nilfs_dat_info *NILFS_DAT_I(struct inode *dat)
static int nilfs_dat_prepare_entry(struct inode *dat,
struct nilfs_palloc_req *req, int create)
{
- return nilfs_palloc_get_entry_block(dat, req->pr_entry_nr,
- create, &req->pr_entry_bh);
+ int ret;
+
+ ret = nilfs_palloc_get_entry_block(dat, req->pr_entry_nr,
+ create, &req->pr_entry_bh);
+ if (unlikely(ret == -ENOENT)) {
+ nilfs_err(dat->i_sb,
+ "DAT doesn't have a block to manage vblocknr = %llu",
+ (unsigned long long)req->pr_entry_nr);
+ /*
+ * Return internal code -EINVAL to notify bmap layer of
+ * metadata corruption.
+ */
+ ret = -EINVAL;
+ }
+ return ret;
}

static void nilfs_dat_commit_entry(struct inode *dat,
@@ -123,11 +136,7 @@ static void nilfs_dat_commit_free(struct inode *dat,

int nilfs_dat_prepare_start(struct inode *dat, struct nilfs_palloc_req *req)
{
- int ret;
-
- ret = nilfs_dat_prepare_entry(dat, req, 0);
- WARN_ON(ret == -ENOENT);
- return ret;
+ return nilfs_dat_prepare_entry(dat, req, 0);
}

void nilfs_dat_commit_start(struct inode *dat, struct nilfs_palloc_req *req,
@@ -154,10 +163,8 @@ int nilfs_dat_prepare_end(struct inode *dat, struct nilfs_palloc_req *req)
int ret;

ret = nilfs_dat_prepare_entry(dat, req, 0);
- if (ret < 0) {
- WARN_ON(ret == -ENOENT);
+ if (ret < 0)
return ret;
- }

kaddr = kmap_atomic(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 7cf765258fda..e337afb9fade 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -105,7 +105,13 @@ static vm_fault_t nilfs_page_mkwrite(struct vm_fault *vmf)
nilfs_transaction_commit(inode->i_sb);

mapped:
- wait_for_stable_page(page);
+ /*
+ * Since checksumming including data blocks is performed to determine
+ * the validity of the log to be written and used for recovery, it is
+ * necessary to wait for writeback to finish here, regardless of the
+ * stable write requirement of the backing device.
+ */
+ wait_on_page_writeback(page);
out:
sb_end_pagefault(inode->i_sb);
return block_page_mkwrite_return(ret);
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 2217f904a7cf..188b8cc52e2b 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -472,9 +472,10 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs,

static int nilfs_recovery_copy_block(struct the_nilfs *nilfs,
struct nilfs_recovery_block *rb,
- struct page *page)
+ loff_t pos, struct page *page)
{
struct buffer_head *bh_org;
+ size_t from = pos & ~PAGE_MASK;
void *kaddr;

bh_org = __bread(nilfs->ns_bdev, rb->blocknr, nilfs->ns_blocksize);
@@ -482,7 +483,7 @@ static int nilfs_recovery_copy_block(struct the_nilfs *nilfs,
return -EIO;

kaddr = kmap_atomic(page);
- memcpy(kaddr + bh_offset(bh_org), bh_org->b_data, bh_org->b_size);
+ memcpy(kaddr + from, bh_org->b_data, bh_org->b_size);
kunmap_atomic(kaddr);
brelse(bh_org);
return 0;
@@ -521,7 +522,7 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
goto failed_inode;
}

- err = nilfs_recovery_copy_block(nilfs, rb, page);
+ err = nilfs_recovery_copy_block(nilfs, rb, pos, page);
if (unlikely(err))
goto failed_page;

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index d61d702215db..17ff9589c474 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1702,7 +1702,6 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)

list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
- set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
lock_page(bd_page);
@@ -1713,6 +1712,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
}
break;
}
+ set_buffer_async_write(bh);
if (bh->b_page != fs_page) {
nilfs_begin_page_io(fs_page);
fs_page = bh->b_page;
@@ -1798,7 +1798,6 @@ static void nilfs_abort_logs(struct list_head *logs, int err)

list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
- clear_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
clear_buffer_uptodate(bh);
if (bh->b_page != bd_page) {
@@ -1807,6 +1806,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
}
break;
}
+ clear_buffer_async_write(bh);
if (bh->b_page != fs_page) {
nilfs_end_page_io(fs_page, err);
fs_page = bh->b_page;
@@ -1894,8 +1894,9 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
BIT(BH_Delay) | BIT(BH_NILFS_Volatile) |
BIT(BH_NILFS_Redirected));

- set_mask_bits(&bh->b_state, clear_bits, set_bits);
if (bh == segbuf->sb_super_root) {
+ set_buffer_uptodate(bh);
+ clear_buffer_dirty(bh);
if (bh->b_page != bd_page) {
end_page_writeback(bd_page);
bd_page = bh->b_page;
@@ -1903,6 +1904,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
update_sr = true;
break;
}
+ set_mask_bits(&bh->b_state, clear_bits, set_bits);
if (bh->b_page != fs_page) {
nilfs_end_page_io(fs_page, 0);
fs_page = bh->b_page;
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 4413f6da68e6..110690edbf62 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -1872,10 +1872,12 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
goto out;
}

- root_sdh = resident_data_ex(attr, sizeof(struct INDEX_ROOT));
- if (root_sdh->type != ATTR_ZERO ||
+ if(!(root_sdh = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
+ root_sdh->type != ATTR_ZERO ||
root_sdh->rule != NTFS_COLLATION_TYPE_SECURITY_HASH ||
- offsetof(struct INDEX_ROOT, ihdr) + root_sdh->ihdr.used > attr->res.data_size) {
+ offsetof(struct INDEX_ROOT, ihdr) +
+ le32_to_cpu(root_sdh->ihdr.used) >
+ le32_to_cpu(attr->res.data_size)) {
err = -EINVAL;
goto out;
}
@@ -1891,10 +1893,12 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
goto out;
}

- root_sii = resident_data_ex(attr, sizeof(struct INDEX_ROOT));
- if (root_sii->type != ATTR_ZERO ||
+ if(!(root_sii = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
+ root_sii->type != ATTR_ZERO ||
root_sii->rule != NTFS_COLLATION_TYPE_UINT ||
- offsetof(struct INDEX_ROOT, ihdr) + root_sii->ihdr.used > attr->res.data_size) {
+ offsetof(struct INDEX_ROOT, ihdr) +
+ le32_to_cpu(root_sii->ihdr.used) >
+ le32_to_cpu(attr->res.data_size)) {
err = -EINVAL;
goto out;
}
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index b49e62e2080b..76935562d5ce 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -1106,7 +1106,8 @@ int indx_read(struct ntfs_index *indx, struct ntfs_inode *ni, CLST vbn,
}

/* check for index header length */
- if (offsetof(struct INDEX_BUFFER, ihdr) + ib->ihdr.used > bytes) {
+ if (offsetof(struct INDEX_BUFFER, ihdr) + le32_to_cpu(ib->ihdr.used) >
+ bytes) {
err = -EINVAL;
goto out;
}
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index 510ed2ea1c48..981276500043 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -468,7 +468,7 @@ bool al_delete_le(struct ntfs_inode *ni, enum ATTR_TYPE type, CLST vcn,
int al_update(struct ntfs_inode *ni, int sync);
static inline size_t al_aligned(size_t size)
{
- return (size + 1023) & ~(size_t)1023;
+ return size_add(size, 1023) & ~(size_t)1023;
}

/* Globals from bitfunc.c */
diff --git a/fs/pipe.c b/fs/pipe.c
index e08f0fe55584..a8b8ef2dae7b 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -435,12 +435,10 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
goto out;
}

-#ifdef CONFIG_WATCH_QUEUE
- if (pipe->watch_queue) {
+ if (pipe_has_watch_queue(pipe)) {
ret = -EXDEV;
goto out;
}
-#endif

/*
* If it wasn't empty we try to merge new data into
@@ -1302,6 +1300,11 @@ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
pipe->tail = tail;
pipe->head = head;

+ if (!pipe_has_watch_queue(pipe)) {
+ pipe->max_usage = nr_slots;
+ pipe->nr_accounted = nr_slots;
+ }
+
spin_unlock_irq(&pipe->rd_wait.lock);

/* This might have made more room for writers */
@@ -1319,10 +1322,8 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
unsigned int nr_slots, size;
long ret = 0;

-#ifdef CONFIG_WATCH_QUEUE
- if (pipe->watch_queue)
+ if (pipe_has_watch_queue(pipe))
return -EBUSY;
-#endif

size = round_pipe_size(arg);
nr_slots = size >> PAGE_SHIFT;
@@ -1355,8 +1356,6 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
if (ret < 0)
goto out_revert_acct;

- pipe->max_usage = nr_slots;
- pipe->nr_accounted = nr_slots;
return pipe->max_usage * PAGE_SIZE;

out_revert_acct:
@@ -1374,10 +1373,8 @@ struct pipe_inode_info *get_pipe_info(struct file *file, bool for_splice)

if (file->f_op != &pipefifo_fops || !pipe)
return NULL;
-#ifdef CONFIG_WATCH_QUEUE
- if (for_splice && pipe->watch_queue)
+ if (for_splice && pipe_has_watch_queue(pipe))
return NULL;
-#endif
return pipe;
}

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index f3fa3625d772..e15b4631364a 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -519,6 +519,7 @@ static int ramoops_init_przs(const char *name,
}

zone_sz = mem_sz / *cnt;
+ zone_sz = ALIGN_DOWN(zone_sz, 2);
if (!zone_sz) {
dev_err(dev, "%s zone size == 0\n", name);
goto fail;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 6a054df8b991..69d75f8197c5 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1225,6 +1225,8 @@ static int ubifs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
dir_ui->ui_size = dir->i_size;
mutex_unlock(&dir_ui->ui_mutex);
out_inode:
+ /* Free inode->i_link before inode is marked as bad. */
+ fscrypt_free_inode(inode);
make_bad_inode(inode);
iput(inode);
out_fname:
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 569960e4ea3a..f4c25b07dc99 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1436,6 +1436,18 @@ xfs_fs_fill_super(

mp->m_super = sb;

+ /*
+ * Copy VFS mount flags from the context now that all parameter parsing
+ * is guaranteed to have been completed by either the old mount API or
+ * the newer fsopen/fsconfig API.
+ */
+ if (fc->sb_flags & SB_RDONLY)
+ set_bit(XFS_OPSTATE_READONLY, &mp->m_opstate);
+ if (fc->sb_flags & SB_DIRSYNC)
+ mp->m_features |= XFS_FEAT_DIRSYNC;
+ if (fc->sb_flags & SB_SYNCHRONOUS)
+ mp->m_features |= XFS_FEAT_WSYNC;
+
error = xfs_fs_validate_params(mp);
if (error)
goto out_free_names;
@@ -1910,6 +1922,11 @@ static const struct fs_context_operations xfs_context_ops = {
.free = xfs_fs_free,
};

+/*
+ * WARNING: do not initialise any parameters in this function that depend on
+ * mount option parsing having already been performed as this can be called from
+ * fsopen() before any parameters have been set.
+ */
static int xfs_init_fs_context(
struct fs_context *fc)
{
@@ -1942,16 +1959,6 @@ static int xfs_init_fs_context(
mp->m_logbsize = -1;
mp->m_allocsize_log = 16; /* 64k */

- /*
- * Copy binary VFS mount flags we are interested in.
- */
- if (fc->sb_flags & SB_RDONLY)
- set_bit(XFS_OPSTATE_READONLY, &mp->m_opstate);
- if (fc->sb_flags & SB_DIRSYNC)
- mp->m_features |= XFS_FEAT_DIRSYNC;
- if (fc->sb_flags & SB_SYNCHRONOUS)
- mp->m_features |= XFS_FEAT_WSYNC;
-
fc->s_fs_info = mp;
fc->ops = &xfs_context_ops;

diff --git a/include/asm-generic/numa.h b/include/asm-generic/numa.h
index 1a3ad6d29833..c32e0cf23c90 100644
--- a/include/asm-generic/numa.h
+++ b/include/asm-generic/numa.h
@@ -35,6 +35,7 @@ int __init numa_add_memblk(int nodeid, u64 start, u64 end);
void __init numa_set_distance(int from, int to, int distance);
void __init numa_free_distance(void);
void __init early_map_cpu_to_node(unsigned int cpu, int nid);
+int __init early_cpu_to_node(int cpu);
void numa_store_cpu_info(unsigned int cpu);
void numa_add_cpu(unsigned int cpu);
void numa_remove_cpu(unsigned int cpu);
@@ -46,6 +47,7 @@ static inline void numa_add_cpu(unsigned int cpu) { }
static inline void numa_remove_cpu(unsigned int cpu) { }
static inline void arch_numa_init(void) { }
static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { }
+static inline int early_cpu_to_node(int cpu) { return 0; }

#endif /* CONFIG_NUMA */

diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 81c298488b0c..6b5eec10c3db 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -24,6 +24,7 @@
#define __DRM_COLOR_MGMT_H__

#include <linux/ctype.h>
+#include <linux/math64.h>
#include <drm/drm_property.h>

struct drm_crtc;
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 3af4624368d8..329607ca65c0 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -229,8 +229,7 @@ void drm_fb_helper_fill_info(struct fb_info *info,
struct drm_fb_helper *fb_helper,
struct drm_fb_helper_surface_size *sizes);

-void drm_fb_helper_deferred_io(struct fb_info *info,
- struct list_head *pagelist);
+void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagereflist);

ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos);
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index d9af72024d66..5190fd48d318 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -166,6 +166,7 @@ struct mipi_dsi_device_info {
* struct mipi_dsi_device - DSI peripheral device
* @host: DSI host for this peripheral
* @dev: driver model device node for this peripheral
+ * @attached: the DSI device has been successfully attached
* @name: DSI peripheral chip type
* @channel: virtual channel assigned to the peripheral
* @format: pixel format for video mode
@@ -181,6 +182,7 @@ struct mipi_dsi_device_info {
struct mipi_dsi_device {
struct mipi_dsi_host *host;
struct device dev;
+ bool attached;

char name[DSI_DEV_NAME_SIZE];
unsigned int channel;
diff --git a/include/linux/async.h b/include/linux/async.h
index cce4ad31e8fc..33c9ff4afb49 100644
--- a/include/linux/async.h
+++ b/include/linux/async.h
@@ -90,6 +90,8 @@ async_schedule_dev(async_func_t func, struct device *dev)
return async_schedule_node(func, dev, dev_to_node(dev));
}

+bool async_schedule_dev_nocall(async_func_t func, struct device *dev);
+
/**
* async_schedule_dev_domain - A device specific version of async_schedule_domain
* @func: function to execute asynchronously
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 00c615fc8ec3..48f3cc3bafea 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -91,7 +91,11 @@ struct bpf_map_ops {
/* funcs called by prog_array and perf_event_array map */
void *(*map_fd_get_ptr)(struct bpf_map *map, struct file *map_file,
int fd);
- void (*map_fd_put_ptr)(void *ptr);
+ /* If need_defer is true, the implementation should guarantee that
+ * the to-be-put element is still alive before the bpf program, which
+ * may manipulate it, exists.
+ */
+ void (*map_fd_put_ptr)(struct bpf_map *map, void *ptr, bool need_defer);
int (*map_gen_lookup)(struct bpf_map *map, struct bpf_insn *insn_buf);
u32 (*map_fd_sys_lookup_elem)(void *ptr);
void (*map_seq_show_elem)(struct bpf_map *map, void *key,
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 6ffb4b2c6371..9d276655cc25 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -551,6 +551,25 @@ static inline void dma_fence_set_error(struct dma_fence *fence,
fence->error = error;
}

+/**
+ * dma_fence_timestamp - helper to get the completion timestamp of a fence
+ * @fence: fence to get the timestamp from.
+ *
+ * After a fence is signaled the timestamp is updated with the signaling time,
+ * but setting the timestamp can race with tasks waiting for the signaling. This
+ * helper busy waits for the correct timestamp to appear.
+ */
+static inline ktime_t dma_fence_timestamp(struct dma_fence *fence)
+{
+ if (WARN_ON(!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)))
+ return ktime_get();
+
+ while (!test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags))
+ cpu_relax();
+
+ return fence->timestamp;
+}
+
signed long dma_fence_wait_timeout(struct dma_fence *,
bool intr, signed long timeout);
signed long dma_fence_wait_any_timeout(struct dma_fence **fences,
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 9000f3ffce8b..04826a793039 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -959,7 +959,8 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,

static inline bool is_slave_direction(enum dma_transfer_direction direction)
{
- return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM);
+ return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM) ||
+ (direction == DMA_DEV_TO_DEV);
}

static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single(
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3d7306c9a706..b79a833524ef 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -201,11 +201,20 @@ struct fb_pixmap {
};

#ifdef CONFIG_FB_DEFERRED_IO
+struct fb_deferred_io_pageref {
+ struct page *page;
+ unsigned long offset;
+ /* private */
+ struct list_head list;
+};
+
struct fb_deferred_io {
/* delay between mkwrite and deferred handler */
unsigned long delay;
- struct mutex lock; /* mutex that protects the page list */
- struct list_head pagelist; /* list of touched pages */
+ bool sort_pagereflist; /* sort pagelist by offset */
+ int open_count; /* number of opened files; protected by fb_info lock */
+ struct mutex lock; /* mutex that protects the pageref list */
+ struct list_head pagereflist; /* list of pagerefs for touched pages */
/* callback */
void (*first_io)(struct fb_info *info);
void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
@@ -468,6 +477,8 @@ struct fb_info {
#endif
#ifdef CONFIG_FB_DEFERRED_IO
struct delayed_work deferred_work;
+ unsigned long npagerefs;
+ struct fb_deferred_io_pageref *pagerefs;
struct fb_deferred_io *fbdefio;
#endif

@@ -661,10 +672,11 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,

/* drivers/video/fb_defio.c */
int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
-extern void fb_deferred_io_init(struct fb_info *info);
+extern int fb_deferred_io_init(struct fb_info *info);
extern void fb_deferred_io_open(struct fb_info *info,
struct inode *inode,
struct file *file);
+extern void fb_deferred_io_release(struct fb_info *info);
extern void fb_deferred_io_cleanup(struct fb_info *info);
extern int fb_deferred_io_fsync(struct file *file, loff_t start,
loff_t end, int datasync);
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index f2044d5a652b..254d4a898179 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -197,6 +197,7 @@ enum hrtimer_base_type {
* @max_hang_time: Maximum time spent in hrtimer_interrupt
* @softirq_expiry_lock: Lock which is taken while softirq based hrtimer are
* expired
+ * @online: CPU is online from an hrtimers point of view
* @timer_waiters: A hrtimer_cancel() invocation waits for the timer
* callback to finish.
* @expires_next: absolute time of the next event, is required for remote
@@ -219,7 +220,8 @@ struct hrtimer_cpu_base {
unsigned int hres_active : 1,
in_hrtirq : 1,
hang_detected : 1,
- softirq_activated : 1;
+ softirq_activated : 1,
+ online : 1;
#ifdef CONFIG_HIGH_RES_TIMERS
unsigned int nr_events;
unsigned short nr_retries;
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index ec2a47a81e42..ee5f9120c4d7 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -58,6 +58,9 @@ void irq_work_sync(struct irq_work *work);
void irq_work_run(void);
bool irq_work_needs_cpu(void);
void irq_work_single(void *arg);
+
+void arch_irq_work_raise(void);
+
#else
static inline bool irq_work_needs_cpu(void) { return false; }
static inline void irq_work_run(void) { }
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index c4f245262f98..af2fa1134b50 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -165,6 +165,8 @@ LSM_HOOK(int, 0, file_alloc_security, struct file *file)
LSM_HOOK(void, LSM_RET_VOID, file_free_security, struct file *file)
LSM_HOOK(int, 0, file_ioctl, struct file *file, unsigned int cmd,
unsigned long arg)
+LSM_HOOK(int, 0, file_ioctl_compat, struct file *file, unsigned int cmd,
+ unsigned long arg)
LSM_HOOK(int, 0, mmap_addr, unsigned long addr)
LSM_HOOK(int, 0, mmap_file, struct file *file, unsigned long reqprot,
unsigned long prot, unsigned long flags)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 6ba100216530..8b8349ffa1cd 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1287,6 +1287,7 @@ static inline unsigned long section_nr_to_pfn(unsigned long sec)
#define SUBSECTION_ALIGN_DOWN(pfn) ((pfn) & PAGE_SUBSECTION_MASK)

struct mem_section_usage {
+ struct rcu_head rcu;
#ifdef CONFIG_SPARSEMEM_VMEMMAP
DECLARE_BITMAP(subsection_map, SUBSECTIONS_PER_SECTION);
#endif
@@ -1457,7 +1458,7 @@ static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn)
{
int idx = subsection_map_index(pfn);

- return test_bit(idx, ms->usage->subsection_map);
+ return test_bit(idx, READ_ONCE(ms->usage)->subsection_map);
}
#else
static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn)
@@ -1481,6 +1482,7 @@ static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn)
static inline int pfn_valid(unsigned long pfn)
{
struct mem_section *ms;
+ int ret;

/*
* Ensure the upper PAGE_SHIFT bits are clear in the
@@ -1493,14 +1495,20 @@ static inline int pfn_valid(unsigned long pfn)

if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
return 0;
- ms = __nr_to_section(pfn_to_section_nr(pfn));
- if (!valid_section(ms))
+ ms = __pfn_to_section(pfn);
+ rcu_read_lock();
+ if (!valid_section(ms)) {
+ rcu_read_unlock();
return 0;
+ }
/*
* Traditionally early sections always returned pfn_valid() for
* the entire section-sized span.
*/
- return early_section(ms) || pfn_section_valid(ms, pfn);
+ ret = early_section(ms) || pfn_section_valid(ms, pfn);
+ rcu_read_unlock();
+
+ return ret;
}
#endif

@@ -1508,7 +1516,7 @@ static inline int pfn_in_present_section(unsigned long pfn)
{
if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
return 0;
- return present_section(__nr_to_section(pfn_to_section_nr(pfn)));
+ return present_section(__pfn_to_section(pfn));
}

static inline unsigned long next_present_section_nr(unsigned long section_nr)
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 72f5ebc5c97a..0b217d4ae2a4 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -186,6 +186,8 @@ struct ip_set_type_variant {
/* Return true if "b" set is the same as "a"
* according to the create set parameters */
bool (*same_set)(const struct ip_set *a, const struct ip_set *b);
+ /* Cancel ongoing garbage collectors before destroying the set*/
+ void (*cancel_gc)(struct ip_set *set);
/* Region-locking is used */
bool region_lock;
};
@@ -242,6 +244,8 @@ extern void ip_set_type_unregister(struct ip_set_type *set_type);

/* A generic IP set */
struct ip_set {
+ /* For call_cru in destroy */
+ struct rcu_head rcu;
/* The name of the set */
char name[IPSET_MAXNAMELEN];
/* Lock protecting the set data */
diff --git a/include/linux/overflow.h b/include/linux/overflow.h
index 59d7228104d0..73bc67ec2136 100644
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -51,40 +51,50 @@ static inline bool __must_check __must_check_overflow(bool overflow)
return unlikely(overflow);
}

-/*
- * For simplicity and code hygiene, the fallback code below insists on
- * a, b and *d having the same type (similar to the min() and max()
- * macros), whereas gcc's type-generic overflow checkers accept
- * different types. Hence we don't just make check_add_overflow an
- * alias for __builtin_add_overflow, but add type checks similar to
- * below.
+/** check_add_overflow() - Calculate addition with overflow checking
+ *
+ * @a: first addend
+ * @b: second addend
+ * @d: pointer to store sum
+ *
+ * Returns 0 on success.
+ *
+ * *@d holds the results of the attempted addition, but is not considered
+ * "safe for use" on a non-zero return value, which indicates that the
+ * sum has overflowed or been truncated.
*/
-#define check_add_overflow(a, b, d) __must_check_overflow(({ \
- typeof(a) __a = (a); \
- typeof(b) __b = (b); \
- typeof(d) __d = (d); \
- (void) (&__a == &__b); \
- (void) (&__a == __d); \
- __builtin_add_overflow(__a, __b, __d); \
-}))
+#define check_add_overflow(a, b, d) \
+ __must_check_overflow(__builtin_add_overflow(a, b, d))

-#define check_sub_overflow(a, b, d) __must_check_overflow(({ \
- typeof(a) __a = (a); \
- typeof(b) __b = (b); \
- typeof(d) __d = (d); \
- (void) (&__a == &__b); \
- (void) (&__a == __d); \
- __builtin_sub_overflow(__a, __b, __d); \
-}))
+/** check_sub_overflow() - Calculate subtraction with overflow checking
+ *
+ * @a: minuend; value to subtract from
+ * @b: subtrahend; value to subtract from @a
+ * @d: pointer to store difference
+ *
+ * Returns 0 on success.
+ *
+ * *@d holds the results of the attempted subtraction, but is not considered
+ * "safe for use" on a non-zero return value, which indicates that the
+ * difference has underflowed or been truncated.
+ */
+#define check_sub_overflow(a, b, d) \
+ __must_check_overflow(__builtin_sub_overflow(a, b, d))

-#define check_mul_overflow(a, b, d) __must_check_overflow(({ \
- typeof(a) __a = (a); \
- typeof(b) __b = (b); \
- typeof(d) __d = (d); \
- (void) (&__a == &__b); \
- (void) (&__a == __d); \
- __builtin_mul_overflow(__a, __b, __d); \
-}))
+/** check_mul_overflow() - Calculate multiplication with overflow checking
+ *
+ * @a: first factor
+ * @b: second factor
+ * @d: pointer to store product
+ *
+ * Returns 0 on success.
+ *
+ * *@d holds the results of the attempted multiplication, but is not
+ * considered "safe for use" on a non-zero return value, which indicates
+ * that the product has overflowed or been truncated.
+ */
+#define check_mul_overflow(a, b, d) \
+ __must_check_overflow(__builtin_mul_overflow(a, b, d))

/** check_shl_overflow() - Calculate a left-shifted value and check overflow
*
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index d2d5e854c692..2590ccda29ab 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2999,6 +2999,7 @@
#define PCI_DEVICE_ID_INTEL_82443GX_0 0x71a0
#define PCI_DEVICE_ID_INTEL_82443GX_2 0x71a2
#define PCI_DEVICE_ID_INTEL_82372FB_1 0x7601
+#define PCI_DEVICE_ID_INTEL_HDA_ARL 0x7728
#define PCI_DEVICE_ID_INTEL_SCH_LPC 0x8119
#define PCI_DEVICE_ID_INTEL_SCH_IDE 0x811a
#define PCI_DEVICE_ID_INTEL_E6XX_CU 0x8183
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index d15190b3e032..0613daf8997a 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -124,6 +124,22 @@ struct pipe_buf_operations {
bool (*get)(struct pipe_inode_info *, struct pipe_buffer *);
};

+/**
+ * pipe_has_watch_queue - Check whether the pipe is a watch_queue,
+ * i.e. it was created with O_NOTIFICATION_PIPE
+ * @pipe: The pipe to check
+ *
+ * Return: true if pipe is a watch queue, false otherwise.
+ */
+static inline bool pipe_has_watch_queue(const struct pipe_inode_info *pipe)
+{
+#ifdef CONFIG_WATCH_QUEUE
+ return pipe->watch_queue != NULL;
+#else
+ return false;
+#endif
+}
+
/**
* pipe_empty - Return true if the pipe is empty
* @head: The pipe ring head pointer
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 90eaff8b78fc..7efb10518313 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -542,6 +542,10 @@ static inline void pm_runtime_disable(struct device *dev)
* Allow the runtime PM autosuspend mechanism to be used for @dev whenever
* requested (or "autosuspend" will be handled as direct runtime-suspend for
* it).
+ *
+ * NOTE: It's important to undo this with pm_runtime_dont_use_autosuspend()
+ * at driver exit time unless your driver initially enabled pm_runtime
+ * with devm_pm_runtime_enable() (which handles it for you).
*/
static inline void pm_runtime_use_autosuspend(struct device *dev)
{
diff --git a/include/linux/security.h b/include/linux/security.h
index da184e7b361f..e844834db698 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -382,6 +382,8 @@ int security_file_permission(struct file *file, int mask);
int security_file_alloc(struct file *file);
void security_file_free(struct file *file);
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+int security_file_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg);
int security_mmap_file(struct file *file, unsigned long prot,
unsigned long flags);
int security_mmap_addr(unsigned long addr);
@@ -963,6 +965,13 @@ static inline int security_file_ioctl(struct file *file, unsigned int cmd,
return 0;
}

+static inline int security_file_ioctl_compat(struct file *file,
+ unsigned int cmd,
+ unsigned long arg)
+{
+ return 0;
+}
+
static inline int security_mmap_file(struct file *file, unsigned long prot,
unsigned long flags)
{
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 252243c7783d..7a1446a7e336 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -122,6 +122,7 @@ enum landlock_rule_type;
#define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
#define __SC_CAST(t, a) (__force t) a
+#define __SC_TYPE(t, a) t
#define __SC_ARGS(t, a) a
#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))

diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 7d142e8a0550..32d21983c696 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -47,12 +47,6 @@ struct scm_stat {

#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))

-#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
-#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
-#define unix_state_lock_nested(s) \
- spin_lock_nested(&unix_sk(s)->lock, \
- SINGLE_DEPTH_NESTING)
-
/* The AF_UNIX socket */
struct unix_sock {
/* WARNING: sk has to be the first member */
@@ -80,6 +74,20 @@ static inline struct unix_sock *unix_sk(const struct sock *sk)
return (struct unix_sock *)sk;
}

+#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
+#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
+enum unix_socket_lock_class {
+ U_LOCK_NORMAL,
+ U_LOCK_SECOND, /* for double locking, see unix_state_double_lock(). */
+ U_LOCK_DIAG, /* used while dumping icons, see sk_diag_dump_icons(). */
+};
+
+static inline void unix_state_lock_nested(struct sock *sk,
+ enum unix_socket_lock_class subclass)
+{
+ spin_lock_nested(&unix_sk(sk)->lock, subclass);
+}
+
#define peer_wait peer_wq.wait

long unix_inq_len(struct sock *sk);
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index d31a18824cd5..798aad21694e 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -335,4 +335,12 @@ static inline bool inet_csk_has_ulp(struct sock *sk)
return inet_sk(sk)->is_icsk && !!inet_csk(sk)->icsk_ulp_ops;
}

+static inline void inet_init_csk_locks(struct sock *sk)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ spin_lock_init(&icsk->icsk_accept_queue.rskq_lock);
+ spin_lock_init(&icsk->icsk_accept_queue.fastopenq.lock);
+}
+
#endif /* _INET_CONNECTION_SOCK_H */
diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h
index 49aa79c7b278..581cd37aa98b 100644
--- a/include/net/llc_pdu.h
+++ b/include/net/llc_pdu.h
@@ -262,8 +262,7 @@ static inline void llc_pdu_header_init(struct sk_buff *skb, u8 type,
*/
static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
{
- if (skb->protocol == htons(ETH_P_802_2))
- memcpy(sa, eth_hdr(skb)->h_source, ETH_ALEN);
+ memcpy(sa, eth_hdr(skb)->h_source, ETH_ALEN);
}

/**
@@ -275,8 +274,7 @@ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
*/
static inline void llc_pdu_decode_da(struct sk_buff *skb, u8 *da)
{
- if (skb->protocol == htons(ETH_P_802_2))
- memcpy(da, eth_hdr(skb)->h_dest, ETH_ALEN);
+ memcpy(da, eth_hdr(skb)->h_dest, ETH_ALEN);
}

/**
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 8e9c5bc1a9e6..1e6e4af4df0a 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1253,6 +1253,7 @@ void nft_obj_notify(struct net *net, const struct nft_table *table,
* @type: stateful object numeric type
* @owner: module owner
* @maxattr: maximum netlink attribute
+ * @family: address family for AF-specific object types
* @policy: netlink attribute policy
*/
struct nft_object_type {
@@ -1262,6 +1263,7 @@ struct nft_object_type {
struct list_head list;
u32 type;
unsigned int maxattr;
+ u8 family;
struct module *owner;
const struct nla_policy *policy;
};
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 5f4513f2d41d..493b10b9fedd 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -310,6 +310,7 @@ struct btrfs_ioctl_fs_info_args {
#define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10)
#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
#define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12)
+#define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13)

struct btrfs_ioctl_feature_flags {
__u64 compat_flags;
@@ -578,6 +579,9 @@ struct btrfs_ioctl_clone_range_args {
*/
#define BTRFS_DEFRAG_RANGE_COMPRESS 1
#define BTRFS_DEFRAG_RANGE_START_IO 2
+#define BTRFS_DEFRAG_RANGE_FLAGS_SUPP (BTRFS_DEFRAG_RANGE_COMPRESS | \
+ BTRFS_DEFRAG_RANGE_START_IO)
+
struct btrfs_ioctl_defrag_range_args {
/* start of the defrag operation */
__u64 start;
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 07871c8a0601..62cc780a168a 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -266,9 +266,11 @@ enum nft_rule_attributes {
/**
* enum nft_rule_compat_flags - nf_tables rule compat flags
*
+ * @NFT_RULE_COMPAT_F_UNUSED: unused
* @NFT_RULE_COMPAT_F_INV: invert the check result
*/
enum nft_rule_compat_flags {
+ NFT_RULE_COMPAT_F_UNUSED = (1 << 0),
NFT_RULE_COMPAT_F_INV = (1 << 1),
NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
};
diff --git a/kernel/async.c b/kernel/async.c
index b2c4ba5686ee..673bba6bdf3a 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -145,6 +145,39 @@ static void async_run_entry_fn(struct work_struct *work)
wake_up(&async_done);
}

+static async_cookie_t __async_schedule_node_domain(async_func_t func,
+ void *data, int node,
+ struct async_domain *domain,
+ struct async_entry *entry)
+{
+ async_cookie_t newcookie;
+ unsigned long flags;
+
+ INIT_LIST_HEAD(&entry->domain_list);
+ INIT_LIST_HEAD(&entry->global_list);
+ INIT_WORK(&entry->work, async_run_entry_fn);
+ entry->func = func;
+ entry->data = data;
+ entry->domain = domain;
+
+ spin_lock_irqsave(&async_lock, flags);
+
+ /* allocate cookie and queue */
+ newcookie = entry->cookie = next_cookie++;
+
+ list_add_tail(&entry->domain_list, &domain->pending);
+ if (domain->registered)
+ list_add_tail(&entry->global_list, &async_global_pending);
+
+ atomic_inc(&entry_count);
+ spin_unlock_irqrestore(&async_lock, flags);
+
+ /* schedule for execution */
+ queue_work_node(node, system_unbound_wq, &entry->work);
+
+ return newcookie;
+}
+
/**
* async_schedule_node_domain - NUMA specific version of async_schedule_domain
* @func: function to execute asynchronously
@@ -186,29 +219,8 @@ async_cookie_t async_schedule_node_domain(async_func_t func, void *data,
func(data, newcookie);
return newcookie;
}
- INIT_LIST_HEAD(&entry->domain_list);
- INIT_LIST_HEAD(&entry->global_list);
- INIT_WORK(&entry->work, async_run_entry_fn);
- entry->func = func;
- entry->data = data;
- entry->domain = domain;
-
- spin_lock_irqsave(&async_lock, flags);
-
- /* allocate cookie and queue */
- newcookie = entry->cookie = next_cookie++;
-
- list_add_tail(&entry->domain_list, &domain->pending);
- if (domain->registered)
- list_add_tail(&entry->global_list, &async_global_pending);
-
- atomic_inc(&entry_count);
- spin_unlock_irqrestore(&async_lock, flags);
-
- /* schedule for execution */
- queue_work_node(node, system_unbound_wq, &entry->work);

- return newcookie;
+ return __async_schedule_node_domain(func, data, node, domain, entry);
}
EXPORT_SYMBOL_GPL(async_schedule_node_domain);

@@ -231,6 +243,35 @@ async_cookie_t async_schedule_node(async_func_t func, void *data, int node)
}
EXPORT_SYMBOL_GPL(async_schedule_node);

+/**
+ * async_schedule_dev_nocall - A simplified variant of async_schedule_dev()
+ * @func: function to execute asynchronously
+ * @dev: device argument to be passed to function
+ *
+ * @dev is used as both the argument for the function and to provide NUMA
+ * context for where to run the function.
+ *
+ * If the asynchronous execution of @func is scheduled successfully, return
+ * true. Otherwise, do nothing and return false, unlike async_schedule_dev()
+ * that will run the function synchronously then.
+ */
+bool async_schedule_dev_nocall(async_func_t func, struct device *dev)
+{
+ struct async_entry *entry;
+
+ entry = kzalloc(sizeof(struct async_entry), GFP_KERNEL);
+
+ /* Give up if there is no memory or too much work. */
+ if (!entry || atomic_read(&entry_count) > MAX_WORK) {
+ kfree(entry);
+ return false;
+ }
+
+ __async_schedule_node_domain(func, dev, dev_to_node(dev),
+ &async_dfl_domain, entry);
+ return true;
+}
+
/**
* async_synchronize_full - synchronize all asynchronous function calls
*
diff --git a/kernel/audit.c b/kernel/audit.c
index 94ded5de9131..82b6fea46e20 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -490,15 +490,19 @@ static void auditd_conn_free(struct rcu_head *rcu)
* @pid: auditd PID
* @portid: auditd netlink portid
* @net: auditd network namespace pointer
+ * @skb: the netlink command from the audit daemon
+ * @ack: netlink ack flag, cleared if ack'd here
*
* Description:
* This function will obtain and drop network namespace references as
* necessary. Returns zero on success, negative values on failure.
*/
-static int auditd_set(struct pid *pid, u32 portid, struct net *net)
+static int auditd_set(struct pid *pid, u32 portid, struct net *net,
+ struct sk_buff *skb, bool *ack)
{
unsigned long flags;
struct auditd_connection *ac_old, *ac_new;
+ struct nlmsghdr *nlh;

if (!pid || !net)
return -EINVAL;
@@ -510,6 +514,13 @@ static int auditd_set(struct pid *pid, u32 portid, struct net *net)
ac_new->portid = portid;
ac_new->net = get_net(net);

+ /* send the ack now to avoid a race with the queue backlog */
+ if (*ack) {
+ nlh = nlmsg_hdr(skb);
+ netlink_ack(skb, nlh, 0, NULL);
+ *ack = false;
+ }
+
spin_lock_irqsave(&auditd_conn_lock, flags);
ac_old = rcu_dereference_protected(auditd_conn,
lockdep_is_held(&auditd_conn_lock));
@@ -1203,7 +1214,8 @@ static int audit_replace(struct pid *pid)
return auditd_send_unicast_skb(skb);
}

-static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
+ bool *ack)
{
u32 seq;
void *data;
@@ -1296,7 +1308,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
/* register a new auditd connection */
err = auditd_set(req_pid,
NETLINK_CB(skb).portid,
- sock_net(NETLINK_CB(skb).sk));
+ sock_net(NETLINK_CB(skb).sk),
+ skb, ack);
if (audit_enabled != AUDIT_OFF)
audit_log_config_change("audit_pid",
new_pid,
@@ -1541,9 +1554,10 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
* Parse the provided skb and deal with any messages that may be present,
* malformed skbs are discarded.
*/
-static void audit_receive(struct sk_buff *skb)
+static void audit_receive(struct sk_buff *skb)
{
struct nlmsghdr *nlh;
+ bool ack;
/*
* len MUST be signed for nlmsg_next to be able to dec it below 0
* if the nlmsg_len was not aligned
@@ -1556,9 +1570,12 @@ static void audit_receive(struct sk_buff *skb)

audit_ctl_lock();
while (nlmsg_ok(nlh, len)) {
- err = audit_receive_msg(skb, nlh);
- /* if err or if this message says it wants a response */
- if (err || (nlh->nlmsg_flags & NLM_F_ACK))
+ ack = nlh->nlmsg_flags & NLM_F_ACK;
+ err = audit_receive_msg(skb, nlh, &ack);
+
+ /* send an ack if the user asked for one and audit_receive_msg
+ * didn't already do it, or if there was an error. */
+ if (ack || err)
netlink_ack(skb, nlh, err, NULL);

nlh = nlmsg_next(nlh, &len);
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 23ffb8f0b5d7..c76870bfd816 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -811,7 +811,7 @@ int bpf_fd_array_map_update_elem(struct bpf_map *map, struct file *map_file,
}

if (old_ptr)
- map->ops->map_fd_put_ptr(old_ptr);
+ map->ops->map_fd_put_ptr(map, old_ptr, true);
return 0;
}

@@ -834,7 +834,7 @@ static int fd_array_map_delete_elem(struct bpf_map *map, void *key)
}

if (old_ptr) {
- map->ops->map_fd_put_ptr(old_ptr);
+ map->ops->map_fd_put_ptr(map, old_ptr, true);
return 0;
} else {
return -ENOENT;
@@ -858,8 +858,9 @@ static void *prog_fd_array_get_ptr(struct bpf_map *map,
return prog;
}

-static void prog_fd_array_put_ptr(void *ptr)
+static void prog_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)
{
+ /* bpf_prog is freed after one RCU or tasks trace grace period */
bpf_prog_put(ptr);
}

@@ -1148,8 +1149,9 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map,
return ee;
}

-static void perf_event_fd_array_put_ptr(void *ptr)
+static void perf_event_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)
{
+ /* bpf_perf_event is freed after one RCU grace period */
bpf_event_entry_free_rcu(ptr);
}

@@ -1204,7 +1206,7 @@ static void *cgroup_fd_array_get_ptr(struct bpf_map *map,
return cgroup_get_from_fd(fd);
}

-static void cgroup_fd_array_put_ptr(void *ptr)
+static void cgroup_fd_array_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)
{
/* cgroup_put free cgrp after a rcu grace period */
cgroup_put(ptr);
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index a63c68f5945c..28b43642c059 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -857,7 +857,7 @@ static void htab_put_fd_value(struct bpf_htab *htab, struct htab_elem *l)

if (map->ops->map_fd_put_ptr) {
ptr = fd_htab_map_get_ptr(map, l);
- map->ops->map_fd_put_ptr(ptr);
+ map->ops->map_fd_put_ptr(map, ptr, true);
}
}

@@ -2330,7 +2330,7 @@ static void fd_htab_map_free(struct bpf_map *map)
hlist_nulls_for_each_entry_safe(l, n, head, hash_node) {
void *ptr = fd_htab_map_get_ptr(map, l);

- map->ops->map_fd_put_ptr(ptr);
+ map->ops->map_fd_put_ptr(map, ptr, false);
}
}

@@ -2371,7 +2371,7 @@ int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file,

ret = htab_map_update_elem(map, key, &ptr, map_flags);
if (ret)
- map->ops->map_fd_put_ptr(ptr);
+ map->ops->map_fd_put_ptr(map, ptr, false);

return ret;
}
diff --git a/kernel/bpf/map_in_map.c b/kernel/bpf/map_in_map.c
index 5cd8f5277279..af0f15db1bf9 100644
--- a/kernel/bpf/map_in_map.c
+++ b/kernel/bpf/map_in_map.c
@@ -108,7 +108,7 @@ void *bpf_map_fd_get_ptr(struct bpf_map *map,
return inner_map;
}

-void bpf_map_fd_put_ptr(void *ptr)
+void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer)
{
/* ptr->ops->map_free() has to go through one
* rcu grace period by itself.
diff --git a/kernel/bpf/map_in_map.h b/kernel/bpf/map_in_map.h
index bcb7534afb3c..7d61602354de 100644
--- a/kernel/bpf/map_in_map.h
+++ b/kernel/bpf/map_in_map.h
@@ -13,7 +13,7 @@ struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
void bpf_map_meta_free(struct bpf_map *map_meta);
void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
int ufd);
-void bpf_map_fd_put_ptr(void *ptr);
+void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer);
u32 bpf_map_fd_sys_lookup_elem(void *ptr);

#endif
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index dbe98040e855..64206856a05c 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1314,6 +1314,9 @@ int generic_map_delete_batch(struct bpf_map *map,
if (!max_count)
return 0;

+ if (put_user(0, &uattr->batch.count))
+ return -EFAULT;
+
key = kvmalloc(map->key_size, GFP_USER | __GFP_NOWARN);
if (!key)
return -ENOMEM;
@@ -1372,6 +1375,9 @@ int generic_map_update_batch(struct bpf_map *map,
if (!max_count)
return 0;

+ if (put_user(0, &uattr->batch.count))
+ return -EFAULT;
+
key = kvmalloc(map->key_size, GFP_USER | __GFP_NOWARN);
if (!key)
return -ENOMEM;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index ada7ef0eb639..4e5a73c7db12 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11220,9 +11220,30 @@ static DEVICE_ATTR_RW(perf_event_mux_interval_ms);
static struct attribute *pmu_dev_attrs[] = {
&dev_attr_type.attr,
&dev_attr_perf_event_mux_interval_ms.attr,
+ &dev_attr_nr_addr_filters.attr,
+ NULL,
+};
+
+static umode_t pmu_dev_is_visible(struct kobject *kobj, struct attribute *a, int n)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct pmu *pmu = dev_get_drvdata(dev);
+
+ if (n == 2 && !pmu->nr_addr_filters)
+ return 0;
+
+ return a->mode;
+}
+
+static struct attribute_group pmu_dev_attr_group = {
+ .is_visible = pmu_dev_is_visible,
+ .attrs = pmu_dev_attrs,
+};
+
+static const struct attribute_group *pmu_dev_groups[] = {
+ &pmu_dev_attr_group,
NULL,
};
-ATTRIBUTE_GROUPS(pmu_dev);

static int pmu_bus_running;
static struct bus_type pmu_bus = {
@@ -11258,18 +11279,11 @@ static int pmu_dev_alloc(struct pmu *pmu)
if (ret)
goto free_dev;

- /* For PMUs with address filters, throw in an extra attribute: */
- if (pmu->nr_addr_filters)
- ret = device_create_file(pmu->dev, &dev_attr_nr_addr_filters);
-
- if (ret)
- goto del_dev;
-
- if (pmu->attr_update)
+ if (pmu->attr_update) {
ret = sysfs_update_groups(&pmu->dev->kobj, pmu->attr_update);
-
- if (ret)
- goto del_dev;
+ if (ret)
+ goto del_dev;
+ }

out:
return ret;
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index f3a1086f7cdb..6146c746371c 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -603,11 +603,11 @@ static int crc32_threadfn(void *data)
unsigned i;

while (1) {
- wait_event(d->go, atomic_read(&d->ready) ||
+ wait_event(d->go, atomic_read_acquire(&d->ready) ||
kthread_should_stop());
if (kthread_should_stop()) {
d->thr = NULL;
- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
break;
}
@@ -616,7 +616,7 @@ static int crc32_threadfn(void *data)
for (i = 0; i < d->run_threads; i++)
*d->crc32 = crc32_le(*d->crc32,
d->unc[i], *d->unc_len[i]);
- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
}
return 0;
@@ -646,12 +646,12 @@ static int lzo_compress_threadfn(void *data)
struct cmp_data *d = data;

while (1) {
- wait_event(d->go, atomic_read(&d->ready) ||
+ wait_event(d->go, atomic_read_acquire(&d->ready) ||
kthread_should_stop());
if (kthread_should_stop()) {
d->thr = NULL;
d->ret = -1;
- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
break;
}
@@ -660,7 +660,7 @@ static int lzo_compress_threadfn(void *data)
d->ret = lzo1x_1_compress(d->unc, d->unc_len,
d->cmp + LZO_HEADER, &d->cmp_len,
d->wrk);
- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
}
return 0;
@@ -798,7 +798,7 @@ static int save_image_lzo(struct swap_map_handle *handle,

data[thr].unc_len = off;

- atomic_set(&data[thr].ready, 1);
+ atomic_set_release(&data[thr].ready, 1);
wake_up(&data[thr].go);
}

@@ -806,12 +806,12 @@ static int save_image_lzo(struct swap_map_handle *handle,
break;

crc->run_threads = thr;
- atomic_set(&crc->ready, 1);
+ atomic_set_release(&crc->ready, 1);
wake_up(&crc->go);

for (run_threads = thr, thr = 0; thr < run_threads; thr++) {
wait_event(data[thr].done,
- atomic_read(&data[thr].stop));
+ atomic_read_acquire(&data[thr].stop));
atomic_set(&data[thr].stop, 0);

ret = data[thr].ret;
@@ -850,7 +850,7 @@ static int save_image_lzo(struct swap_map_handle *handle,
}
}

- wait_event(crc->done, atomic_read(&crc->stop));
+ wait_event(crc->done, atomic_read_acquire(&crc->stop));
atomic_set(&crc->stop, 0);
}

@@ -1132,12 +1132,12 @@ static int lzo_decompress_threadfn(void *data)
struct dec_data *d = data;

while (1) {
- wait_event(d->go, atomic_read(&d->ready) ||
+ wait_event(d->go, atomic_read_acquire(&d->ready) ||
kthread_should_stop());
if (kthread_should_stop()) {
d->thr = NULL;
d->ret = -1;
- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
break;
}
@@ -1150,7 +1150,7 @@ static int lzo_decompress_threadfn(void *data)
flush_icache_range((unsigned long)d->unc,
(unsigned long)d->unc + d->unc_len);

- atomic_set(&d->stop, 1);
+ atomic_set_release(&d->stop, 1);
wake_up(&d->done);
}
return 0;
@@ -1338,7 +1338,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
}

if (crc->run_threads) {
- wait_event(crc->done, atomic_read(&crc->stop));
+ wait_event(crc->done, atomic_read_acquire(&crc->stop));
atomic_set(&crc->stop, 0);
crc->run_threads = 0;
}
@@ -1374,7 +1374,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
pg = 0;
}

- atomic_set(&data[thr].ready, 1);
+ atomic_set_release(&data[thr].ready, 1);
wake_up(&data[thr].go);
}

@@ -1393,7 +1393,7 @@ static int load_image_lzo(struct swap_map_handle *handle,

for (run_threads = thr, thr = 0; thr < run_threads; thr++) {
wait_event(data[thr].done,
- atomic_read(&data[thr].stop));
+ atomic_read_acquire(&data[thr].stop));
atomic_set(&data[thr].stop, 0);

ret = data[thr].ret;
@@ -1424,7 +1424,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
ret = snapshot_write_next(snapshot);
if (ret <= 0) {
crc->run_threads = thr + 1;
- atomic_set(&crc->ready, 1);
+ atomic_set_release(&crc->ready, 1);
wake_up(&crc->go);
goto out_finish;
}
@@ -1432,13 +1432,13 @@ static int load_image_lzo(struct swap_map_handle *handle,
}

crc->run_threads = thr;
- atomic_set(&crc->ready, 1);
+ atomic_set_release(&crc->ready, 1);
wake_up(&crc->go);
}

out_finish:
if (crc->run_threads) {
- wait_event(crc->done, atomic_read(&crc->stop));
+ wait_event(crc->done, atomic_read_acquire(&crc->stop));
atomic_set(&crc->stop, 0);
}
stop = ktime_get();
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index 3d2825408e3a..0836235bbd59 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -162,6 +162,8 @@
| MEMBARRIER_PRIVATE_EXPEDITED_SYNC_CORE_BITMASK \
| MEMBARRIER_PRIVATE_EXPEDITED_RSEQ_BITMASK)

+static DEFINE_MUTEX(membarrier_ipi_mutex);
+
static void ipi_mb(void *info)
{
smp_mb(); /* IPIs should be serializing but paranoid. */
@@ -259,6 +261,7 @@ static int membarrier_global_expedited(void)
if (!zalloc_cpumask_var(&tmpmask, GFP_KERNEL))
return -ENOMEM;

+ mutex_lock(&membarrier_ipi_mutex);
cpus_read_lock();
rcu_read_lock();
for_each_online_cpu(cpu) {
@@ -304,6 +307,8 @@ static int membarrier_global_expedited(void)
* rq->curr modification in scheduler.
*/
smp_mb(); /* exit from system call is not a mb */
+ mutex_unlock(&membarrier_ipi_mutex);
+
return 0;
}

@@ -347,6 +352,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
if (cpu_id < 0 && !zalloc_cpumask_var(&tmpmask, GFP_KERNEL))
return -ENOMEM;

+ mutex_lock(&membarrier_ipi_mutex);
cpus_read_lock();

if (cpu_id >= 0) {
@@ -419,6 +425,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
* rq->curr modification in scheduler.
*/
smp_mb(); /* exit from system call is not a mb */
+ mutex_unlock(&membarrier_ipi_mutex);

return 0;
}
@@ -460,6 +467,7 @@ static int sync_runqueues_membarrier_state(struct mm_struct *mm)
* between threads which are users of @mm has its membarrier state
* updated.
*/
+ mutex_lock(&membarrier_ipi_mutex);
cpus_read_lock();
rcu_read_lock();
for_each_online_cpu(cpu) {
@@ -476,6 +484,7 @@ static int sync_runqueues_membarrier_state(struct mm_struct *mm)

free_cpumask_var(tmpmask);
cpus_read_unlock();
+ mutex_unlock(&membarrier_ipi_mutex);

return 0;
}
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 97ec98041f92..7d6d87a22ad5 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -120,6 +120,7 @@ static DECLARE_WORK(watchdog_work, clocksource_watchdog_work);
static DEFINE_SPINLOCK(watchdog_lock);
static int watchdog_running;
static atomic_t watchdog_reset_pending;
+static int64_t watchdog_max_interval;

static inline void clocksource_watchdog_lock(unsigned long *flags)
{
@@ -138,6 +139,7 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating);
* Interval: 0.5sec.
*/
#define WATCHDOG_INTERVAL (HZ >> 1)
+#define WATCHDOG_INTERVAL_MAX_NS ((2 * WATCHDOG_INTERVAL) * (NSEC_PER_SEC / HZ))

static void clocksource_watchdog_work(struct work_struct *work)
{
@@ -390,8 +392,8 @@ static inline void clocksource_reset_watchdog(void)
static void clocksource_watchdog(struct timer_list *unused)
{
u64 csnow, wdnow, cslast, wdlast, delta;
+ int64_t wd_nsec, cs_nsec, interval;
int next_cpu, reset_pending;
- int64_t wd_nsec, cs_nsec;
struct clocksource *cs;
enum wd_read_status read_ret;
unsigned long extra_wait = 0;
@@ -461,6 +463,27 @@ static void clocksource_watchdog(struct timer_list *unused)
if (atomic_read(&watchdog_reset_pending))
continue;

+ /*
+ * The processing of timer softirqs can get delayed (usually
+ * on account of ksoftirqd not getting to run in a timely
+ * manner), which causes the watchdog interval to stretch.
+ * Skew detection may fail for longer watchdog intervals
+ * on account of fixed margins being used.
+ * Some clocksources, e.g. acpi_pm, cannot tolerate
+ * watchdog intervals longer than a few seconds.
+ */
+ interval = max(cs_nsec, wd_nsec);
+ if (unlikely(interval > WATCHDOG_INTERVAL_MAX_NS)) {
+ if (system_state > SYSTEM_SCHEDULING &&
+ interval > 2 * watchdog_max_interval) {
+ watchdog_max_interval = interval;
+ pr_warn("Long readout interval, skipping watchdog check: cs_nsec: %lld wd_nsec: %lld\n",
+ cs_nsec, wd_nsec);
+ }
+ watchdog_timer.expires = jiffies;
+ continue;
+ }
+
/* Check the deviation from the watchdog clocksource. */
md = cs->uncertainty_margin + watchdog->uncertainty_margin;
if (abs(cs_nsec - wd_nsec) > md) {
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index eebd0f31daa8..5502c687bd40 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1082,6 +1082,7 @@ static int enqueue_hrtimer(struct hrtimer *timer,
enum hrtimer_mode mode)
{
debug_activate(timer, mode);
+ WARN_ON_ONCE(!base->cpu_base->online);

base->cpu_base->active_bases |= 1 << base->index;

@@ -2180,6 +2181,7 @@ int hrtimers_prepare_cpu(unsigned int cpu)
cpu_base->softirq_next_timer = NULL;
cpu_base->expires_next = KTIME_MAX;
cpu_base->softirq_expires_next = KTIME_MAX;
+ cpu_base->online = 1;
hrtimer_cpu_base_init_expiry_lock(cpu_base);
return 0;
}
@@ -2247,6 +2249,7 @@ int hrtimers_cpu_dying(unsigned int dying_cpu)
smp_call_function_single(ncpu, retrigger_next_event, NULL, 0);

raw_spin_unlock(&new_base->lock);
+ old_base->online = 0;
raw_spin_unlock(&old_base->lock);

return 0;
@@ -2263,7 +2266,7 @@ void __init hrtimers_init(void)
/**
* schedule_hrtimeout_range_clock - sleep until timeout
* @expires: timeout value (ktime_t)
- * @delta: slack in expires timeout (ktime_t)
+ * @delta: slack in expires timeout (ktime_t) for SCHED_OTHER tasks
* @mode: timer mode
* @clock_id: timer clock to be used
*/
@@ -2290,6 +2293,13 @@ schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta,
return -EINTR;
}

+ /*
+ * Override any slack passed by the user if under
+ * rt contraints.
+ */
+ if (rt_task(current))
+ delta = 0;
+
hrtimer_init_sleeper_on_stack(&t, clock_id, mode);
hrtimer_set_expires_range_ns(&t.timer, *expires, delta);
hrtimer_sleeper_start_expires(&t, mode);
@@ -2309,7 +2319,7 @@ EXPORT_SYMBOL_GPL(schedule_hrtimeout_range_clock);
/**
* schedule_hrtimeout_range - sleep until timeout
* @expires: timeout value (ktime_t)
- * @delta: slack in expires timeout (ktime_t)
+ * @delta: slack in expires timeout (ktime_t) for SCHED_OTHER tasks
* @mode: timer mode
*
* Make the current task sleep until the given expiry time has
@@ -2317,7 +2327,8 @@ EXPORT_SYMBOL_GPL(schedule_hrtimeout_range_clock);
* the current task state has been set (see set_current_state()).
*
* The @delta argument gives the kernel the freedom to schedule the
- * actual wakeup to a time that is both power and performance friendly.
+ * actual wakeup to a time that is both power and performance friendly
+ * for regular (non RT/DL) tasks.
* The kernel give the normal best effort behavior for "@expires+@delta",
* but may decide to fire the timer earlier, but no earlier than @expires.
*
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 8f4788be9e85..ae1b207c6447 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1529,6 +1529,7 @@ void tick_cancel_sched_timer(int cpu)
{
struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
ktime_t idle_sleeptime, iowait_sleeptime;
+ unsigned long idle_calls, idle_sleeps;

# ifdef CONFIG_HIGH_RES_TIMERS
if (ts->sched_timer.base)
@@ -1537,9 +1538,13 @@ void tick_cancel_sched_timer(int cpu)

idle_sleeptime = ts->idle_sleeptime;
iowait_sleeptime = ts->iowait_sleeptime;
+ idle_calls = ts->idle_calls;
+ idle_sleeps = ts->idle_sleeps;
memset(ts, 0, sizeof(*ts));
ts->idle_sleeptime = idle_sleeptime;
ts->iowait_sleeptime = iowait_sleeptime;
+ ts->idle_calls = idle_calls;
+ ts->idle_sleeps = idle_sleeps;
}
#endif

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 374cfba6c306..d9bed77f96c1 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1061,7 +1061,7 @@ __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
full = 0;
} else {
if (!cpumask_test_cpu(cpu, buffer->cpumask))
- return -EINVAL;
+ return EPOLLERR;

cpu_buffer = buffer->buffers[cpu];
work = &cpu_buffer->irq_work;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index bac5505b243e..87ad97dbe8a4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -40,6 +40,7 @@
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/panic_notifier.h>
+#include <linux/kmemleak.h>
#include <linux/poll.h>
#include <linux/nmi.h>
#include <linux/fs.h>
@@ -2236,7 +2237,7 @@ struct saved_cmdlines_buffer {
unsigned *map_cmdline_to_pid;
unsigned cmdline_num;
int cmdline_idx;
- char *saved_cmdlines;
+ char saved_cmdlines[];
};
static struct saved_cmdlines_buffer *savedcmd;

@@ -2250,47 +2251,60 @@ static inline void set_cmdline(int idx, const char *cmdline)
strncpy(get_saved_cmdlines(idx), cmdline, TASK_COMM_LEN);
}

-static int allocate_cmdlines_buffer(unsigned int val,
- struct saved_cmdlines_buffer *s)
+static void free_saved_cmdlines_buffer(struct saved_cmdlines_buffer *s)
{
+ int order = get_order(sizeof(*s) + s->cmdline_num * TASK_COMM_LEN);
+
+ kfree(s->map_cmdline_to_pid);
+ kmemleak_free(s);
+ free_pages((unsigned long)s, order);
+}
+
+static struct saved_cmdlines_buffer *allocate_cmdlines_buffer(unsigned int val)
+{
+ struct saved_cmdlines_buffer *s;
+ struct page *page;
+ int orig_size, size;
+ int order;
+
+ /* Figure out how much is needed to hold the given number of cmdlines */
+ orig_size = sizeof(*s) + val * TASK_COMM_LEN;
+ order = get_order(orig_size);
+ size = 1 << (order + PAGE_SHIFT);
+ page = alloc_pages(GFP_KERNEL, order);
+ if (!page)
+ return NULL;
+
+ s = page_address(page);
+ kmemleak_alloc(s, size, 1, GFP_KERNEL);
+ memset(s, 0, sizeof(*s));
+
+ /* Round up to actual allocation */
+ val = (size - sizeof(*s)) / TASK_COMM_LEN;
+ s->cmdline_num = val;
+
s->map_cmdline_to_pid = kmalloc_array(val,
sizeof(*s->map_cmdline_to_pid),
GFP_KERNEL);
- if (!s->map_cmdline_to_pid)
- return -ENOMEM;
-
- s->saved_cmdlines = kmalloc_array(TASK_COMM_LEN, val, GFP_KERNEL);
- if (!s->saved_cmdlines) {
- kfree(s->map_cmdline_to_pid);
- return -ENOMEM;
+ if (!s->map_cmdline_to_pid) {
+ free_saved_cmdlines_buffer(s);
+ return NULL;
}

s->cmdline_idx = 0;
- s->cmdline_num = val;
memset(&s->map_pid_to_cmdline, NO_CMDLINE_MAP,
sizeof(s->map_pid_to_cmdline));
memset(s->map_cmdline_to_pid, NO_CMDLINE_MAP,
val * sizeof(*s->map_cmdline_to_pid));

- return 0;
+ return s;
}

static int trace_create_savedcmd(void)
{
- int ret;
-
- savedcmd = kmalloc(sizeof(*savedcmd), GFP_KERNEL);
- if (!savedcmd)
- return -ENOMEM;
+ savedcmd = allocate_cmdlines_buffer(SAVED_CMDLINES_DEFAULT);

- ret = allocate_cmdlines_buffer(SAVED_CMDLINES_DEFAULT, savedcmd);
- if (ret < 0) {
- kfree(savedcmd);
- savedcmd = NULL;
- return -ENOMEM;
- }
-
- return 0;
+ return savedcmd ? 0 : -ENOMEM;
}

int is_tracing_stopped(void)
@@ -5947,26 +5961,14 @@ tracing_saved_cmdlines_size_read(struct file *filp, char __user *ubuf,
return simple_read_from_buffer(ubuf, cnt, ppos, buf, r);
}

-static void free_saved_cmdlines_buffer(struct saved_cmdlines_buffer *s)
-{
- kfree(s->saved_cmdlines);
- kfree(s->map_cmdline_to_pid);
- kfree(s);
-}
-
static int tracing_resize_saved_cmdlines(unsigned int val)
{
struct saved_cmdlines_buffer *s, *savedcmd_temp;

- s = kmalloc(sizeof(*s), GFP_KERNEL);
+ s = allocate_cmdlines_buffer(val);
if (!s)
return -ENOMEM;

- if (allocate_cmdlines_buffer(val, s) < 0) {
- kfree(s);
- return -ENOMEM;
- }
-
preempt_disable();
arch_spin_lock(&trace_cmdline_lock);
savedcmd_temp = savedcmd;
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index 106f9813841a..dfdbcf1da216 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -1161,8 +1161,10 @@ register_snapshot_trigger(char *glob, struct event_trigger_ops *ops,
struct event_trigger_data *data,
struct trace_event_file *file)
{
- if (tracing_alloc_snapshot_instance(file->tr) != 0)
- return 0;
+ int ret = tracing_alloc_snapshot_instance(file->tr);
+
+ if (ret < 0)
+ return ret;

return register_trigger(glob, ops, data, file);
}
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index 9628b5571846..3edf5e515813 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -574,7 +574,12 @@ __tracing_map_insert(struct tracing_map *map, void *key, bool lookup_only)
}

memcpy(elt->key, key, map->key_size);
- entry->val = elt;
+ /*
+ * Ensure the initialization is visible and
+ * publish the elt.
+ */
+ smp_wmb();
+ WRITE_ONCE(entry->val, elt);
atomic64_inc(&map->hits);

return entry->val;
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 579406c1e9ed..09fddc0ea6d3 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -593,9 +593,8 @@ static struct debug_obj *lookup_object_or_alloc(void *addr, struct debug_bucket
static void
__debug_object_init(void *addr, const struct debug_obj_descr *descr, int onstack)
{
- enum debug_obj_state state;
+ struct debug_obj *obj, o;
struct debug_bucket *db;
- struct debug_obj *obj;
unsigned long flags;

/*
@@ -621,24 +620,18 @@ __debug_object_init(void *addr, const struct debug_obj_descr *descr, int onstack
case ODEBUG_STATE_INIT:
case ODEBUG_STATE_INACTIVE:
obj->state = ODEBUG_STATE_INIT;
- break;
-
- case ODEBUG_STATE_ACTIVE:
- state = obj->state;
- raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "init");
- debug_object_fixup(descr->fixup_init, addr, state);
- return;
-
- case ODEBUG_STATE_DESTROYED:
raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "init");
return;
default:
break;
}

+ o = *obj;
raw_spin_unlock_irqrestore(&db->lock, flags);
+ debug_print_object(&o, "init");
+
+ if (o.state == ODEBUG_STATE_ACTIVE)
+ debug_object_fixup(descr->fixup_init, addr, o.state);
}

/**
@@ -679,11 +672,9 @@ EXPORT_SYMBOL_GPL(debug_object_init_on_stack);
int debug_object_activate(void *addr, const struct debug_obj_descr *descr)
{
struct debug_obj o = { .object = addr, .state = ODEBUG_STATE_NOTAVAILABLE, .descr = descr };
- enum debug_obj_state state;
struct debug_bucket *db;
struct debug_obj *obj;
unsigned long flags;
- int ret;

if (!debug_objects_enabled)
return 0;
@@ -693,49 +684,38 @@ int debug_object_activate(void *addr, const struct debug_obj_descr *descr)
raw_spin_lock_irqsave(&db->lock, flags);

obj = lookup_object_or_alloc(addr, db, descr, false, true);
- if (likely(!IS_ERR_OR_NULL(obj))) {
- bool print_object = false;
-
+ if (unlikely(!obj)) {
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ debug_objects_oom();
+ return 0;
+ } else if (likely(!IS_ERR(obj))) {
switch (obj->state) {
- case ODEBUG_STATE_INIT:
- case ODEBUG_STATE_INACTIVE:
- obj->state = ODEBUG_STATE_ACTIVE;
- ret = 0;
- break;
-
case ODEBUG_STATE_ACTIVE:
- state = obj->state;
- raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "activate");
- ret = debug_object_fixup(descr->fixup_activate, addr, state);
- return ret ? 0 : -EINVAL;
-
case ODEBUG_STATE_DESTROYED:
- print_object = true;
- ret = -EINVAL;
+ o = *obj;
break;
+ case ODEBUG_STATE_INIT:
+ case ODEBUG_STATE_INACTIVE:
+ obj->state = ODEBUG_STATE_ACTIVE;
+ fallthrough;
default:
- ret = 0;
- break;
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ return 0;
}
- raw_spin_unlock_irqrestore(&db->lock, flags);
- if (print_object)
- debug_print_object(obj, "activate");
- return ret;
}

raw_spin_unlock_irqrestore(&db->lock, flags);
+ debug_print_object(&o, "activate");

- /* If NULL the allocation has hit OOM */
- if (!obj) {
- debug_objects_oom();
- return 0;
+ switch (o.state) {
+ case ODEBUG_STATE_ACTIVE:
+ case ODEBUG_STATE_NOTAVAILABLE:
+ if (debug_object_fixup(descr->fixup_activate, addr, o.state))
+ return 0;
+ fallthrough;
+ default:
+ return -EINVAL;
}
-
- /* Object is neither static nor tracked. It's not initialized */
- debug_print_object(&o, "activate");
- ret = debug_object_fixup(descr->fixup_activate, addr, ODEBUG_STATE_NOTAVAILABLE);
- return ret ? 0 : -EINVAL;
}
EXPORT_SYMBOL_GPL(debug_object_activate);

@@ -746,10 +726,10 @@ EXPORT_SYMBOL_GPL(debug_object_activate);
*/
void debug_object_deactivate(void *addr, const struct debug_obj_descr *descr)
{
+ struct debug_obj o = { .object = addr, .state = ODEBUG_STATE_NOTAVAILABLE, .descr = descr };
struct debug_bucket *db;
struct debug_obj *obj;
unsigned long flags;
- bool print_object = false;

if (!debug_objects_enabled)
return;
@@ -761,33 +741,24 @@ void debug_object_deactivate(void *addr, const struct debug_obj_descr *descr)
obj = lookup_object(addr, db);
if (obj) {
switch (obj->state) {
+ case ODEBUG_STATE_DESTROYED:
+ break;
case ODEBUG_STATE_INIT:
case ODEBUG_STATE_INACTIVE:
case ODEBUG_STATE_ACTIVE:
- if (!obj->astate)
- obj->state = ODEBUG_STATE_INACTIVE;
- else
- print_object = true;
- break;
-
- case ODEBUG_STATE_DESTROYED:
- print_object = true;
- break;
+ if (obj->astate)
+ break;
+ obj->state = ODEBUG_STATE_INACTIVE;
+ fallthrough;
default:
- break;
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ return;
}
+ o = *obj;
}

raw_spin_unlock_irqrestore(&db->lock, flags);
- if (!obj) {
- struct debug_obj o = { .object = addr,
- .state = ODEBUG_STATE_NOTAVAILABLE,
- .descr = descr };
-
- debug_print_object(&o, "deactivate");
- } else if (print_object) {
- debug_print_object(obj, "deactivate");
- }
+ debug_print_object(&o, "deactivate");
}
EXPORT_SYMBOL_GPL(debug_object_deactivate);

@@ -798,11 +769,9 @@ EXPORT_SYMBOL_GPL(debug_object_deactivate);
*/
void debug_object_destroy(void *addr, const struct debug_obj_descr *descr)
{
- enum debug_obj_state state;
+ struct debug_obj *obj, o;
struct debug_bucket *db;
- struct debug_obj *obj;
unsigned long flags;
- bool print_object = false;

if (!debug_objects_enabled)
return;
@@ -812,32 +781,31 @@ void debug_object_destroy(void *addr, const struct debug_obj_descr *descr)
raw_spin_lock_irqsave(&db->lock, flags);

obj = lookup_object(addr, db);
- if (!obj)
- goto out_unlock;
+ if (!obj) {
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ return;
+ }

switch (obj->state) {
+ case ODEBUG_STATE_ACTIVE:
+ case ODEBUG_STATE_DESTROYED:
+ break;
case ODEBUG_STATE_NONE:
case ODEBUG_STATE_INIT:
case ODEBUG_STATE_INACTIVE:
obj->state = ODEBUG_STATE_DESTROYED;
- break;
- case ODEBUG_STATE_ACTIVE:
- state = obj->state;
+ fallthrough;
+ default:
raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "destroy");
- debug_object_fixup(descr->fixup_destroy, addr, state);
return;
-
- case ODEBUG_STATE_DESTROYED:
- print_object = true;
- break;
- default:
- break;
}
-out_unlock:
+
+ o = *obj;
raw_spin_unlock_irqrestore(&db->lock, flags);
- if (print_object)
- debug_print_object(obj, "destroy");
+ debug_print_object(&o, "destroy");
+
+ if (o.state == ODEBUG_STATE_ACTIVE)
+ debug_object_fixup(descr->fixup_destroy, addr, o.state);
}
EXPORT_SYMBOL_GPL(debug_object_destroy);

@@ -848,9 +816,8 @@ EXPORT_SYMBOL_GPL(debug_object_destroy);
*/
void debug_object_free(void *addr, const struct debug_obj_descr *descr)
{
- enum debug_obj_state state;
+ struct debug_obj *obj, o;
struct debug_bucket *db;
- struct debug_obj *obj;
unsigned long flags;

if (!debug_objects_enabled)
@@ -861,24 +828,26 @@ void debug_object_free(void *addr, const struct debug_obj_descr *descr)
raw_spin_lock_irqsave(&db->lock, flags);

obj = lookup_object(addr, db);
- if (!obj)
- goto out_unlock;
+ if (!obj) {
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ return;
+ }

switch (obj->state) {
case ODEBUG_STATE_ACTIVE:
- state = obj->state;
- raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "free");
- debug_object_fixup(descr->fixup_free, addr, state);
- return;
+ break;
default:
hlist_del(&obj->node);
raw_spin_unlock_irqrestore(&db->lock, flags);
free_object(obj);
return;
}
-out_unlock:
+
+ o = *obj;
raw_spin_unlock_irqrestore(&db->lock, flags);
+ debug_print_object(&o, "free");
+
+ debug_object_fixup(descr->fixup_free, addr, o.state);
}
EXPORT_SYMBOL_GPL(debug_object_free);

@@ -928,10 +897,10 @@ void
debug_object_active_state(void *addr, const struct debug_obj_descr *descr,
unsigned int expect, unsigned int next)
{
+ struct debug_obj o = { .object = addr, .state = ODEBUG_STATE_NOTAVAILABLE, .descr = descr };
struct debug_bucket *db;
struct debug_obj *obj;
unsigned long flags;
- bool print_object = false;

if (!debug_objects_enabled)
return;
@@ -944,28 +913,19 @@ debug_object_active_state(void *addr, const struct debug_obj_descr *descr,
if (obj) {
switch (obj->state) {
case ODEBUG_STATE_ACTIVE:
- if (obj->astate == expect)
- obj->astate = next;
- else
- print_object = true;
- break;
-
+ if (obj->astate != expect)
+ break;
+ obj->astate = next;
+ raw_spin_unlock_irqrestore(&db->lock, flags);
+ return;
default:
- print_object = true;
break;
}
+ o = *obj;
}

raw_spin_unlock_irqrestore(&db->lock, flags);
- if (!obj) {
- struct debug_obj o = { .object = addr,
- .state = ODEBUG_STATE_NOTAVAILABLE,
- .descr = descr };
-
- debug_print_object(&o, "active_state");
- } else if (print_object) {
- debug_print_object(obj, "active_state");
- }
+ debug_print_object(&o, "active_state");
}
EXPORT_SYMBOL_GPL(debug_object_active_state);

@@ -973,12 +933,10 @@ EXPORT_SYMBOL_GPL(debug_object_active_state);
static void __debug_check_no_obj_freed(const void *address, unsigned long size)
{
unsigned long flags, oaddr, saddr, eaddr, paddr, chunks;
- const struct debug_obj_descr *descr;
- enum debug_obj_state state;
+ int cnt, objs_checked = 0;
+ struct debug_obj *obj, o;
struct debug_bucket *db;
struct hlist_node *tmp;
- struct debug_obj *obj;
- int cnt, objs_checked = 0;

saddr = (unsigned long) address;
eaddr = saddr + size;
@@ -1000,12 +958,10 @@ static void __debug_check_no_obj_freed(const void *address, unsigned long size)

switch (obj->state) {
case ODEBUG_STATE_ACTIVE:
- descr = obj->descr;
- state = obj->state;
+ o = *obj;
raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_print_object(obj, "free");
- debug_object_fixup(descr->fixup_free,
- (void *) oaddr, state);
+ debug_print_object(&o, "free");
+ debug_object_fixup(o.descr->fixup_free, (void *)oaddr, o.state);
goto repeat;
default:
hlist_del(&obj->node);
diff --git a/lib/mpi/ec.c b/lib/mpi/ec.c
index 40f5908e57a4..e16dca1e23d5 100644
--- a/lib/mpi/ec.c
+++ b/lib/mpi/ec.c
@@ -584,6 +584,9 @@ void mpi_ec_init(struct mpi_ec_ctx *ctx, enum gcry_mpi_ec_models model,
ctx->a = mpi_copy(a);
ctx->b = mpi_copy(b);

+ ctx->d = NULL;
+ ctx->t.two_inv_p = NULL;
+
ctx->t.p_barrett = use_barrett > 0 ? mpi_barrett_init(ctx->p, 0) : NULL;

mpi_ec_get_reset(ctx);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 8ca6617b2a72..f57a659b2218 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1529,7 +1529,7 @@ static inline void wb_dirty_limits(struct dirty_throttle_control *dtc)
*/
dtc->wb_thresh = __wb_calc_thresh(dtc);
dtc->wb_bg_thresh = dtc->thresh ?
- div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;
+ div64_u64(dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;

/*
* In order to avoid the stacked BDI deadlock we need
diff --git a/mm/sparse.c b/mm/sparse.c
index 120bc8ea5293..27092badd15b 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -789,6 +789,13 @@ static void section_deactivate(unsigned long pfn, unsigned long nr_pages,
if (empty) {
unsigned long section_nr = pfn_to_section_nr(pfn);

+ /*
+ * Mark the section invalid so that valid_section()
+ * return false. This prevents code from dereferencing
+ * ms->usage array.
+ */
+ ms->section_mem_map &= ~SECTION_HAS_MEM_MAP;
+
/*
* When removing an early section, the usage map is kept (as the
* usage maps of other sections fall into the same page). It
@@ -797,16 +804,10 @@ static void section_deactivate(unsigned long pfn, unsigned long nr_pages,
* was allocated during boot.
*/
if (!PageReserved(virt_to_page(ms->usage))) {
- kfree(ms->usage);
- ms->usage = NULL;
+ kfree_rcu(ms->usage, rcu);
+ WRITE_ONCE(ms->usage, NULL);
}
memmap = sparse_decode_mem_map(ms->section_mem_map, section_nr);
- /*
- * Mark the section invalid so that valid_section()
- * return false. This prevents code from dereferencing
- * ms->usage array.
- */
- ms->section_mem_map &= ~SECTION_HAS_MEM_MAP;
}

/*
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 53b1955b027f..dca1ec705b6c 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -118,12 +118,16 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
}
if (data[IFLA_VLAN_INGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_INGRESS_QOS], rem) {
+ if (nla_type(attr) != IFLA_VLAN_QOS_MAPPING)
+ continue;
m = nla_data(attr);
vlan_dev_set_ingress_priority(dev, m->to, m->from);
}
}
if (data[IFLA_VLAN_EGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_EGRESS_QOS], rem) {
+ if (nla_type(attr) != IFLA_VLAN_QOS_MAPPING)
+ continue;
m = nla_data(attr);
err = vlan_dev_set_egress_priority(dev, m->from, m->to);
if (err)
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9f3596de90a7..850b6aab7377 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -6527,7 +6527,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
if (len > skb->len || !cmd->ident) {
BT_DBG("corrupted command");
l2cap_sig_send_rej(conn, cmd->ident);
- break;
+ skb_pull(skb, len > skb->len ? skb->len : len);
+ continue;
}

err = l2cap_bredr_sig_cmd(conn, cmd, len, skb->data);
diff --git a/net/bridge/br_cfm_netlink.c b/net/bridge/br_cfm_netlink.c
index 5c4c369f8536..2faab44652e7 100644
--- a/net/bridge/br_cfm_netlink.c
+++ b/net/bridge/br_cfm_netlink.c
@@ -362,7 +362,7 @@ static int br_cc_ccm_tx_parse(struct net_bridge *br, struct nlattr *attr,

memset(&tx_info, 0, sizeof(tx_info));

- instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]);
+ instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE]);
nla_memcpy(&tx_info.dmac.addr,
tb[IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC],
sizeof(tx_info.dmac.addr));
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index db4f2641d1cd..9765f9f9bf7f 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1607,6 +1607,10 @@ static void br_ip6_multicast_querier_expired(struct timer_list *t)
}
#endif

+static void br_multicast_query_delay_expired(struct timer_list *t)
+{
+}
+
static void br_multicast_select_own_querier(struct net_bridge_mcast *brmctx,
struct br_ip *ip,
struct sk_buff *skb)
@@ -3024,7 +3028,7 @@ br_multicast_update_query_timer(struct net_bridge_mcast *brmctx,
unsigned long max_delay)
{
if (!timer_pending(&query->timer))
- query->delay_time = jiffies + max_delay;
+ mod_timer(&query->delay_timer, jiffies + max_delay);

mod_timer(&query->timer, jiffies + brmctx->multicast_querier_interval);
}
@@ -3867,13 +3871,11 @@ void br_multicast_ctx_init(struct net_bridge *br,
brmctx->multicast_querier_interval = 255 * HZ;
brmctx->multicast_membership_interval = 260 * HZ;

- brmctx->ip4_other_query.delay_time = 0;
brmctx->ip4_querier.port_ifidx = 0;
seqcount_spinlock_init(&brmctx->ip4_querier.seq, &br->multicast_lock);
brmctx->multicast_igmp_version = 2;
#if IS_ENABLED(CONFIG_IPV6)
brmctx->multicast_mld_version = 1;
- brmctx->ip6_other_query.delay_time = 0;
brmctx->ip6_querier.port_ifidx = 0;
seqcount_spinlock_init(&brmctx->ip6_querier.seq, &br->multicast_lock);
#endif
@@ -3882,6 +3884,8 @@ void br_multicast_ctx_init(struct net_bridge *br,
br_ip4_multicast_local_router_expired, 0);
timer_setup(&brmctx->ip4_other_query.timer,
br_ip4_multicast_querier_expired, 0);
+ timer_setup(&brmctx->ip4_other_query.delay_timer,
+ br_multicast_query_delay_expired, 0);
timer_setup(&brmctx->ip4_own_query.timer,
br_ip4_multicast_query_expired, 0);
#if IS_ENABLED(CONFIG_IPV6)
@@ -3889,6 +3893,8 @@ void br_multicast_ctx_init(struct net_bridge *br,
br_ip6_multicast_local_router_expired, 0);
timer_setup(&brmctx->ip6_other_query.timer,
br_ip6_multicast_querier_expired, 0);
+ timer_setup(&brmctx->ip6_other_query.delay_timer,
+ br_multicast_query_delay_expired, 0);
timer_setup(&brmctx->ip6_own_query.timer,
br_ip6_multicast_query_expired, 0);
#endif
@@ -4023,10 +4029,12 @@ static void __br_multicast_stop(struct net_bridge_mcast *brmctx)
{
del_timer_sync(&brmctx->ip4_mc_router_timer);
del_timer_sync(&brmctx->ip4_other_query.timer);
+ del_timer_sync(&brmctx->ip4_other_query.delay_timer);
del_timer_sync(&brmctx->ip4_own_query.timer);
#if IS_ENABLED(CONFIG_IPV6)
del_timer_sync(&brmctx->ip6_mc_router_timer);
del_timer_sync(&brmctx->ip6_other_query.timer);
+ del_timer_sync(&brmctx->ip6_other_query.delay_timer);
del_timer_sync(&brmctx->ip6_own_query.timer);
#endif
}
@@ -4469,13 +4477,15 @@ int br_multicast_set_querier(struct net_bridge_mcast *brmctx, unsigned long val)
max_delay = brmctx->multicast_query_response_interval;

if (!timer_pending(&brmctx->ip4_other_query.timer))
- brmctx->ip4_other_query.delay_time = jiffies + max_delay;
+ mod_timer(&brmctx->ip4_other_query.delay_timer,
+ jiffies + max_delay);

br_multicast_start_querier(brmctx, &brmctx->ip4_own_query);

#if IS_ENABLED(CONFIG_IPV6)
if (!timer_pending(&brmctx->ip6_other_query.timer))
- brmctx->ip6_other_query.delay_time = jiffies + max_delay;
+ mod_timer(&brmctx->ip6_other_query.delay_timer,
+ jiffies + max_delay);

br_multicast_start_querier(brmctx, &brmctx->ip6_own_query);
#endif
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index bd218c2b2cd9..ff10ddeeb50f 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -77,7 +77,7 @@ struct bridge_mcast_own_query {
/* other querier */
struct bridge_mcast_other_query {
struct timer_list timer;
- unsigned long delay_time;
+ struct timer_list delay_timer;
};

/* selected querier */
@@ -1066,7 +1066,7 @@ __br_multicast_querier_exists(struct net_bridge_mcast *brmctx,
own_querier_enabled = false;
}

- return time_is_before_jiffies(querier->delay_time) &&
+ return !timer_pending(&querier->delay_timer) &&
(own_querier_enabled || timer_pending(&querier->timer));
}

diff --git a/net/can/j1939/j1939-priv.h b/net/can/j1939/j1939-priv.h
index 16af1a7f80f6..31a93cae5111 100644
--- a/net/can/j1939/j1939-priv.h
+++ b/net/can/j1939/j1939-priv.h
@@ -86,7 +86,7 @@ struct j1939_priv {
unsigned int tp_max_packet_size;

/* lock for j1939_socks list */
- spinlock_t j1939_socks_lock;
+ rwlock_t j1939_socks_lock;
struct list_head j1939_socks;

struct kref rx_kref;
@@ -301,6 +301,7 @@ struct j1939_sock {

int ifindex;
struct j1939_addr addr;
+ spinlock_t filters_lock;
struct j1939_filter *filters;
int nfilters;
pgn_t pgn_rx_filter;
diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c
index e82b91509258..0ef399abd097 100644
--- a/net/can/j1939/main.c
+++ b/net/can/j1939/main.c
@@ -270,7 +270,7 @@ struct j1939_priv *j1939_netdev_start(struct net_device *ndev)
return ERR_PTR(-ENOMEM);

j1939_tp_init(priv);
- spin_lock_init(&priv->j1939_socks_lock);
+ rwlock_init(&priv->j1939_socks_lock);
INIT_LIST_HEAD(&priv->j1939_socks);

mutex_lock(&j1939_netdev_lock);
diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c
index dfce84f2349f..da538c29c749 100644
--- a/net/can/j1939/socket.c
+++ b/net/can/j1939/socket.c
@@ -80,16 +80,16 @@ static void j1939_jsk_add(struct j1939_priv *priv, struct j1939_sock *jsk)
jsk->state |= J1939_SOCK_BOUND;
j1939_priv_get(priv);

- spin_lock_bh(&priv->j1939_socks_lock);
+ write_lock_bh(&priv->j1939_socks_lock);
list_add_tail(&jsk->list, &priv->j1939_socks);
- spin_unlock_bh(&priv->j1939_socks_lock);
+ write_unlock_bh(&priv->j1939_socks_lock);
}

static void j1939_jsk_del(struct j1939_priv *priv, struct j1939_sock *jsk)
{
- spin_lock_bh(&priv->j1939_socks_lock);
+ write_lock_bh(&priv->j1939_socks_lock);
list_del_init(&jsk->list);
- spin_unlock_bh(&priv->j1939_socks_lock);
+ write_unlock_bh(&priv->j1939_socks_lock);

j1939_priv_put(priv);
jsk->state &= ~J1939_SOCK_BOUND;
@@ -262,12 +262,17 @@ static bool j1939_sk_match_dst(struct j1939_sock *jsk,
static bool j1939_sk_match_filter(struct j1939_sock *jsk,
const struct j1939_sk_buff_cb *skcb)
{
- const struct j1939_filter *f = jsk->filters;
- int nfilter = jsk->nfilters;
+ const struct j1939_filter *f;
+ int nfilter;
+
+ spin_lock_bh(&jsk->filters_lock);
+
+ f = jsk->filters;
+ nfilter = jsk->nfilters;

if (!nfilter)
/* receive all when no filters are assigned */
- return true;
+ goto filter_match_found;

for (; nfilter; ++f, --nfilter) {
if ((skcb->addr.pgn & f->pgn_mask) != f->pgn)
@@ -276,9 +281,15 @@ static bool j1939_sk_match_filter(struct j1939_sock *jsk,
continue;
if ((skcb->addr.src_name & f->name_mask) != f->name)
continue;
- return true;
+ goto filter_match_found;
}
+
+ spin_unlock_bh(&jsk->filters_lock);
return false;
+
+filter_match_found:
+ spin_unlock_bh(&jsk->filters_lock);
+ return true;
}

static bool j1939_sk_recv_match_one(struct j1939_sock *jsk,
@@ -329,13 +340,13 @@ bool j1939_sk_recv_match(struct j1939_priv *priv, struct j1939_sk_buff_cb *skcb)
struct j1939_sock *jsk;
bool match = false;

- spin_lock_bh(&priv->j1939_socks_lock);
+ read_lock_bh(&priv->j1939_socks_lock);
list_for_each_entry(jsk, &priv->j1939_socks, list) {
match = j1939_sk_recv_match_one(jsk, skcb);
if (match)
break;
}
- spin_unlock_bh(&priv->j1939_socks_lock);
+ read_unlock_bh(&priv->j1939_socks_lock);

return match;
}
@@ -344,11 +355,11 @@ void j1939_sk_recv(struct j1939_priv *priv, struct sk_buff *skb)
{
struct j1939_sock *jsk;

- spin_lock_bh(&priv->j1939_socks_lock);
+ read_lock_bh(&priv->j1939_socks_lock);
list_for_each_entry(jsk, &priv->j1939_socks, list) {
j1939_sk_recv_one(jsk, skb);
}
- spin_unlock_bh(&priv->j1939_socks_lock);
+ read_unlock_bh(&priv->j1939_socks_lock);
}

static void j1939_sk_sock_destruct(struct sock *sk)
@@ -401,6 +412,7 @@ static int j1939_sk_init(struct sock *sk)
atomic_set(&jsk->skb_pending, 0);
spin_lock_init(&jsk->sk_session_queue_lock);
INIT_LIST_HEAD(&jsk->sk_session_queue);
+ spin_lock_init(&jsk->filters_lock);

/* j1939_sk_sock_destruct() depends on SOCK_RCU_FREE flag */
sock_set_flag(sk, SOCK_RCU_FREE);
@@ -703,9 +715,11 @@ static int j1939_sk_setsockopt(struct socket *sock, int level, int optname,
}

lock_sock(&jsk->sk);
+ spin_lock_bh(&jsk->filters_lock);
ofilters = jsk->filters;
jsk->filters = filters;
jsk->nfilters = count;
+ spin_unlock_bh(&jsk->filters_lock);
release_sock(&jsk->sk);
kfree(ofilters);
return 0;
@@ -1078,12 +1092,12 @@ void j1939_sk_errqueue(struct j1939_session *session,
}

/* spread RX notifications to all sockets subscribed to this session */
- spin_lock_bh(&priv->j1939_socks_lock);
+ read_lock_bh(&priv->j1939_socks_lock);
list_for_each_entry(jsk, &priv->j1939_socks, list) {
if (j1939_sk_recv_match_one(jsk, &session->skcb))
__j1939_sk_errqueue(session, &jsk->sk, type);
}
- spin_unlock_bh(&priv->j1939_socks_lock);
+ read_unlock_bh(&priv->j1939_socks_lock);
};

void j1939_sk_send_loop_abort(struct sock *sk, int err)
@@ -1271,7 +1285,7 @@ void j1939_sk_netdev_event_netdown(struct j1939_priv *priv)
struct j1939_sock *jsk;
int error_code = ENETDOWN;

- spin_lock_bh(&priv->j1939_socks_lock);
+ read_lock_bh(&priv->j1939_socks_lock);
list_for_each_entry(jsk, &priv->j1939_socks, list) {
jsk->sk.sk_err = error_code;
if (!sock_flag(&jsk->sk, SOCK_DEAD))
@@ -1279,7 +1293,7 @@ void j1939_sk_netdev_event_netdown(struct j1939_priv *priv)

j1939_sk_queue_drop_all(priv, jsk, error_code);
}
- spin_unlock_bh(&priv->j1939_socks_lock);
+ read_unlock_bh(&priv->j1939_socks_lock);
}

static int j1939_sk_no_ioctlcmd(struct socket *sock, unsigned int cmd,
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index f35c2e998406..63de5c635842 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -33,9 +33,6 @@

void reqsk_queue_alloc(struct request_sock_queue *queue)
{
- spin_lock_init(&queue->rskq_lock);
-
- spin_lock_init(&queue->fastopenq.lock);
queue->fastopenq.rskq_rst_head = NULL;
queue->fastopenq.rskq_rst_tail = NULL;
queue->fastopenq.qlen = 0;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7090844af499..3dbefce8d14b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4079,8 +4079,9 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
/* GSO partial only requires that we trim off any excess that
* doesn't fit into an MSS sized block, so take care of that
* now.
+ * Cap len to not accidentally hit GSO_BY_FRAGS.
*/
- partial_segs = len / mss;
+ partial_segs = min(len, GSO_BY_FRAGS - 1U) / mss;
if (partial_segs > 1)
mss *= partial_segs;
else
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 7ce40b49c956..4a50ffc2a70c 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -291,7 +291,7 @@ static void send_hsr_supervision_frame(struct hsr_port *master,

skb = hsr_init_skb(master);
if (!skb) {
- WARN_ONCE(1, "HSR: Could not send supervision frame\n");
+ netdev_warn_once(master->dev, "HSR: Could not send supervision frame\n");
return;
}

@@ -338,7 +338,7 @@ static void send_prp_supervision_frame(struct hsr_port *master,

skb = hsr_init_skb(master);
if (!skb) {
- WARN_ONCE(1, "PRP: Could not send supervision frame\n");
+ netdev_warn_once(master->dev, "PRP: Could not send supervision frame\n");
return;
}

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index e46b11507edc..487f75993bf4 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -327,6 +327,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
if (INET_PROTOSW_REUSE & answer_flags)
sk->sk_reuse = SK_CAN_REUSE;

+ if (INET_PROTOSW_ICSK & answer_flags)
+ inet_init_csk_locks(sk);
+
inet = inet_sk(sk);
inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;

@@ -1602,10 +1605,12 @@ EXPORT_SYMBOL(inet_current_timestamp);

int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
{
- if (sk->sk_family == AF_INET)
+ unsigned int family = READ_ONCE(sk->sk_family);
+
+ if (family == AF_INET)
return ip_recv_error(sk, msg, len, addr_len);
#if IS_ENABLED(CONFIG_IPV6)
- if (sk->sk_family == AF_INET6)
+ if (family == AF_INET6)
return pingv6_ops.ipv6_recv_error(sk, msg, len, addr_len);
#endif
return -EINVAL;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index c770719797e1..da43957a5843 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -545,6 +545,10 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern)
}
if (req)
reqsk_put(req);
+
+ if (newsk)
+ inet_init_csk_locks(newsk);
+
return newsk;
out_err:
newsk = NULL;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index a445e4e05e0d..ee4e7e7a0992 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1251,6 +1251,12 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
if (unlikely(!rt))
return -EFAULT;

+ cork->fragsize = ip_sk_use_pmtu(sk) ?
+ dst_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu);
+
+ if (!inetdev_valid_mtu(cork->fragsize))
+ return -ENETUNREACH;
+
/*
* setup for corking.
*/
@@ -1267,12 +1273,6 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
cork->addr = ipc->addr;
}

- cork->fragsize = ip_sk_use_pmtu(sk) ?
- dst_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu);
-
- if (!inetdev_valid_mtu(cork->fragsize))
- return -ENETUNREACH;
-
cork->gso_size = ipc->gso_size;

cork->dst = &rt->dst;
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index d3275d1ed260..50ddbd7021f0 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -332,7 +332,7 @@ static int iptunnel_pmtud_build_icmpv6(struct sk_buff *skb, int mtu)
};
skb_reset_network_header(skb);

- csum = csum_partial(icmp6h, len, 0);
+ csum = skb_checksum(skb, skb_transport_offset(skb), len, 0);
icmp6h->icmp6_cksum = csum_ipv6_magic(&nip6h->saddr, &nip6h->daddr, len,
IPPROTO_ICMPV6, csum);

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 86dff7abdfd6..626cef75afe7 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -722,6 +722,7 @@ void tcp_push(struct sock *sk, int flags, int mss_now,
if (!test_bit(TSQ_THROTTLED, &sk->sk_tsq_flags)) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPAUTOCORKING);
set_bit(TSQ_THROTTLED, &sk->sk_tsq_flags);
+ smp_mb__after_atomic();
}
/* It is possible TX completion already happened
* before we set TSQ_THROTTLED.
@@ -1797,7 +1798,17 @@ static skb_frag_t *skb_advance_to_frag(struct sk_buff *skb, u32 offset_skb,

static bool can_map_frag(const skb_frag_t *frag)
{
- return skb_frag_size(frag) == PAGE_SIZE && !skb_frag_off(frag);
+ struct page *page;
+
+ if (skb_frag_size(frag) != PAGE_SIZE || skb_frag_off(frag))
+ return false;
+
+ page = skb_frag_page(frag);
+
+ if (PageCompound(page) || page->mapping)
+ return false;
+
+ return true;
}

static int find_next_mappable_frag(const skb_frag_t *frag,
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 1d4054bb345b..b2da2abfac82 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -220,19 +220,26 @@ const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
EXPORT_SYMBOL_GPL(ipv6_stub);

/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
-const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
+const struct in6_addr in6addr_loopback __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_LOOPBACK_INIT;
EXPORT_SYMBOL(in6addr_loopback);
-const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
+const struct in6_addr in6addr_any __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_ANY_INIT;
EXPORT_SYMBOL(in6addr_any);
-const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
+const struct in6_addr in6addr_linklocal_allnodes __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
EXPORT_SYMBOL(in6addr_linklocal_allnodes);
-const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
+const struct in6_addr in6addr_linklocal_allrouters __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
EXPORT_SYMBOL(in6addr_linklocal_allrouters);
-const struct in6_addr in6addr_interfacelocal_allnodes = IN6ADDR_INTERFACELOCAL_ALLNODES_INIT;
+const struct in6_addr in6addr_interfacelocal_allnodes __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_INTERFACELOCAL_ALLNODES_INIT;
EXPORT_SYMBOL(in6addr_interfacelocal_allnodes);
-const struct in6_addr in6addr_interfacelocal_allrouters = IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT;
+const struct in6_addr in6addr_interfacelocal_allrouters __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT;
EXPORT_SYMBOL(in6addr_interfacelocal_allrouters);
-const struct in6_addr in6addr_sitelocal_allrouters = IN6ADDR_SITELOCAL_ALLROUTERS_INIT;
+const struct in6_addr in6addr_sitelocal_allrouters __aligned(BITS_PER_LONG/8)
+ = IN6ADDR_SITELOCAL_ALLROUTERS_INIT;
EXPORT_SYMBOL(in6addr_sitelocal_allrouters);

static void snmp6_free_dev(struct inet6_dev *idev)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 164b130203f1..1da7fa58f714 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -198,6 +198,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
if (INET_PROTOSW_REUSE & answer_flags)
sk->sk_reuse = SK_CAN_REUSE;

+ if (INET_PROTOSW_ICSK & answer_flags)
+ inet_init_csk_locks(sk);
+
inet = inet_sk(sk);
inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a41ba4b161c4..d370a71c9752 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -798,9 +798,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
struct sk_buff *skb),
bool log_ecn_err)
{
- struct pcpu_sw_netstats *tstats;
- const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
- int err;
+ const struct ipv6hdr *ipv6h;
+ int nh, err;

if ((!(tpi->flags & TUNNEL_CSUM) &&
(tunnel->parms.i_flags & TUNNEL_CSUM)) ||
@@ -832,7 +831,6 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
goto drop;
}

- ipv6h = ipv6_hdr(skb);
skb->protocol = eth_type_trans(skb, tunnel->dev);
skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
} else {
@@ -840,7 +838,23 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
skb_reset_mac_header(skb);
}

+ /* Save offset of outer header relative to skb->head,
+ * because we are going to reset the network header to the inner header
+ * and might change skb->head.
+ */
+ nh = skb_network_header(skb) - skb->head;
+
skb_reset_network_header(skb);
+
+ if (!pskb_inet_may_pull(skb)) {
+ DEV_STATS_INC(tunnel->dev, rx_length_errors);
+ DEV_STATS_INC(tunnel->dev, rx_errors);
+ goto drop;
+ }
+
+ /* Get the outer header. */
+ ipv6h = (struct ipv6hdr *)(skb->head + nh);
+
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));

__skb_tunnel_rx(skb, tunnel->dev, tunnel->net);
@@ -858,11 +872,7 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
}
}

- tstats = this_cpu_ptr(tunnel->dev->tstats);
- u64_stats_update_begin(&tstats->syncp);
- tstats->rx_packets++;
- tstats->rx_bytes += skb->len;
- u64_stats_update_end(&tstats->syncp);
+ dev_sw_netstats_rx_add(tunnel->dev, skb->len);

skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(tunnel->dev)));

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 8b9a10d10036..70973bf18ee3 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -226,6 +226,8 @@ static int llc_ui_release(struct socket *sock)
}
dev_put(llc->dev);
sock_put(sk);
+ sock_orphan(sk);
+ sock->sk = NULL;
llc_sk_free(sk);
out:
return 0;
@@ -926,14 +928,15 @@ static int llc_ui_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
*/
static int llc_ui_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
{
+ DECLARE_SOCKADDR(struct sockaddr_llc *, addr, msg->msg_name);
struct sock *sk = sock->sk;
struct llc_sock *llc = llc_sk(sk);
- DECLARE_SOCKADDR(struct sockaddr_llc *, addr, msg->msg_name);
int flags = msg->msg_flags;
int noblock = flags & MSG_DONTWAIT;
+ int rc = -EINVAL, copied = 0, hdrlen, hh_len;
struct sk_buff *skb = NULL;
+ struct net_device *dev;
size_t size = 0;
- int rc = -EINVAL, copied = 0, hdrlen;

dprintk("%s: sending from %02X to %02X\n", __func__,
llc->laddr.lsap, llc->daddr.lsap);
@@ -953,22 +956,29 @@ static int llc_ui_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
if (rc)
goto out;
}
- hdrlen = llc->dev->hard_header_len + llc_ui_header_len(sk, addr);
+ dev = llc->dev;
+ hh_len = LL_RESERVED_SPACE(dev);
+ hdrlen = llc_ui_header_len(sk, addr);
size = hdrlen + len;
- if (size > llc->dev->mtu)
- size = llc->dev->mtu;
+ size = min_t(size_t, size, READ_ONCE(dev->mtu));
copied = size - hdrlen;
rc = -EINVAL;
if (copied < 0)
goto out;
release_sock(sk);
- skb = sock_alloc_send_skb(sk, size, noblock, &rc);
+ skb = sock_alloc_send_skb(sk, hh_len + size, noblock, &rc);
lock_sock(sk);
if (!skb)
goto out;
- skb->dev = llc->dev;
+ if (sock_flag(sk, SOCK_ZAPPED) ||
+ llc->dev != dev ||
+ hdrlen != llc_ui_header_len(sk, addr) ||
+ hh_len != LL_RESERVED_SPACE(dev) ||
+ size > READ_ONCE(dev->mtu))
+ goto out;
+ skb->dev = dev;
skb->protocol = llc_proto_type(addr->sllc_arphrd);
- skb_reserve(skb, hdrlen);
+ skb_reserve(skb, hh_len + hdrlen);
rc = memcpy_from_msg(skb_put(skb, copied), msg, copied);
if (rc)
goto out;
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index 6e387aadffce..4f16d9c88350 100644
--- a/net/llc/llc_core.c
+++ b/net/llc/llc_core.c
@@ -135,22 +135,15 @@ static struct packet_type llc_packet_type __read_mostly = {
.func = llc_rcv,
};

-static struct packet_type llc_tr_packet_type __read_mostly = {
- .type = cpu_to_be16(ETH_P_TR_802_2),
- .func = llc_rcv,
-};
-
static int __init llc_init(void)
{
dev_add_pack(&llc_packet_type);
- dev_add_pack(&llc_tr_packet_type);
return 0;
}

static void __exit llc_exit(void)
{
dev_remove_pack(&llc_packet_type);
- dev_remove_pack(&llc_tr_packet_type);
}

module_init(llc_init);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index d5c89c6758f2..481b6b34797d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3746,6 +3746,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
goto begin;

skb = __skb_dequeue(&tx.skbs);
+ info = IEEE80211_SKB_CB(skb);

if (!skb_queue_empty(&tx.skbs)) {
spin_lock_bh(&fq->lock);
@@ -3790,7 +3791,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
}

encap_out:
- IEEE80211_SKB_CB(skb)->control.vif = vif;
+ info->control.vif = vif;

if (vif &&
wiphy_ext_feature_isset(local->hw.wiphy, NL80211_EXT_FEATURE_AQL)) {
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 62e1875b9290..8d3afa99ef65 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2203,9 +2203,6 @@ bool __mptcp_retransmit_pending_data(struct sock *sk)
if (__mptcp_check_fallback(mptcp_sk(sk)))
return false;

- if (tcp_rtx_and_write_queues_empty(sk))
- return false;
-
/* the closing socket has some data untransmitted and/or unacked:
* some data in the mptcp rtx queue has not really xmitted yet.
* keep it simple and re-inject the whole mptcp level rtx queue
diff --git a/net/netfilter/ipset/ip_set_bitmap_gen.h b/net/netfilter/ipset/ip_set_bitmap_gen.h
index 26ab0e9612d8..9523104a90da 100644
--- a/net/netfilter/ipset/ip_set_bitmap_gen.h
+++ b/net/netfilter/ipset/ip_set_bitmap_gen.h
@@ -28,6 +28,7 @@
#define mtype_del IPSET_TOKEN(MTYPE, _del)
#define mtype_list IPSET_TOKEN(MTYPE, _list)
#define mtype_gc IPSET_TOKEN(MTYPE, _gc)
+#define mtype_cancel_gc IPSET_TOKEN(MTYPE, _cancel_gc)
#define mtype MTYPE

#define get_ext(set, map, id) ((map)->extensions + ((set)->dsize * (id)))
@@ -57,9 +58,6 @@ mtype_destroy(struct ip_set *set)
{
struct mtype *map = set->data;

- if (SET_WITH_TIMEOUT(set))
- del_timer_sync(&map->gc);
-
if (set->dsize && set->extensions & IPSET_EXT_DESTROY)
mtype_ext_cleanup(set);
ip_set_free(map->members);
@@ -288,6 +286,15 @@ mtype_gc(struct timer_list *t)
add_timer(&map->gc);
}

+static void
+mtype_cancel_gc(struct ip_set *set)
+{
+ struct mtype *map = set->data;
+
+ if (SET_WITH_TIMEOUT(set))
+ del_timer_sync(&map->gc);
+}
+
static const struct ip_set_type_variant mtype = {
.kadt = mtype_kadt,
.uadt = mtype_uadt,
@@ -301,6 +308,7 @@ static const struct ip_set_type_variant mtype = {
.head = mtype_head,
.list = mtype_list,
.same_set = mtype_same_set,
+ .cancel_gc = mtype_cancel_gc,
};

#endif /* __IP_SET_BITMAP_IP_GEN_H */
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 978014928d07..01cedf416b10 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1156,6 +1156,7 @@ static int ip_set_create(struct sk_buff *skb, const struct nfnl_info *info,
return ret;

cleanup:
+ set->variant->cancel_gc(set);
set->variant->destroy(set);
put_out:
module_put(set->type->me);
@@ -1184,6 +1185,14 @@ ip_set_destroy_set(struct ip_set *set)
kfree(set);
}

+static void
+ip_set_destroy_set_rcu(struct rcu_head *head)
+{
+ struct ip_set *set = container_of(head, struct ip_set, rcu);
+
+ ip_set_destroy_set(set);
+}
+
static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const attr[])
{
@@ -1195,8 +1204,6 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
if (unlikely(protocol_min_failed(attr)))
return -IPSET_ERR_PROTOCOL;

- /* Must wait for flush to be really finished in list:set */
- rcu_barrier();

/* Commands are serialized and references are
* protected by the ip_set_ref_lock.
@@ -1208,8 +1215,10 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
* counter, so if it's already zero, we can proceed
* without holding the lock.
*/
- read_lock_bh(&ip_set_ref_lock);
if (!attr[IPSET_ATTR_SETNAME]) {
+ /* Must wait for flush to be really finished in list:set */
+ rcu_barrier();
+ read_lock_bh(&ip_set_ref_lock);
for (i = 0; i < inst->ip_set_max; i++) {
s = ip_set(inst, i);
if (s && (s->ref || s->ref_netlink)) {
@@ -1223,6 +1232,8 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
s = ip_set(inst, i);
if (s) {
ip_set(inst, i) = NULL;
+ /* Must cancel garbage collectors */
+ s->variant->cancel_gc(s);
ip_set_destroy_set(s);
}
}
@@ -1230,6 +1241,9 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
inst->is_destroyed = false;
} else {
u32 flags = flag_exist(info->nlh);
+ u16 features = 0;
+
+ read_lock_bh(&ip_set_ref_lock);
s = find_set_and_id(inst, nla_data(attr[IPSET_ATTR_SETNAME]),
&i);
if (!s) {
@@ -1240,10 +1254,16 @@ static int ip_set_destroy(struct sk_buff *skb, const struct nfnl_info *info,
ret = -IPSET_ERR_BUSY;
goto out;
}
+ features = s->type->features;
ip_set(inst, i) = NULL;
read_unlock_bh(&ip_set_ref_lock);
-
- ip_set_destroy_set(s);
+ if (features & IPSET_TYPE_NAME) {
+ /* Must wait for flush to be really finished */
+ rcu_barrier();
+ }
+ /* Must cancel garbage collectors */
+ s->variant->cancel_gc(s);
+ call_rcu(&s->rcu, ip_set_destroy_set_rcu);
}
return 0;
out:
@@ -1396,9 +1416,6 @@ static int ip_set_swap(struct sk_buff *skb, const struct nfnl_info *info,
ip_set(inst, to_id) = from;
write_unlock_bh(&ip_set_ref_lock);

- /* Make sure all readers of the old set pointers are completed. */
- synchronize_rcu();
-
return 0;
}

@@ -2362,6 +2379,7 @@ ip_set_net_exit(struct net *net)
set = ip_set(inst, i);
if (set) {
ip_set(inst, i) = NULL;
+ set->variant->cancel_gc(set);
ip_set_destroy_set(set);
}
}
@@ -2409,8 +2427,11 @@ ip_set_fini(void)
{
nf_unregister_sockopt(&so_set);
nfnetlink_subsys_unregister(&ip_set_netlink_subsys);
-
unregister_pernet_subsys(&ip_set_net_ops);
+
+ /* Wait for call_rcu() in destroy */
+ rcu_barrier();
+
pr_debug("these are the famous last words\n");
}

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 7499192af586..ef04e556aadb 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -210,6 +210,7 @@ htable_size(u8 hbits)
#undef mtype_gc_do
#undef mtype_gc
#undef mtype_gc_init
+#undef mtype_cancel_gc
#undef mtype_variant
#undef mtype_data_match

@@ -254,6 +255,7 @@ htable_size(u8 hbits)
#define mtype_gc_do IPSET_TOKEN(MTYPE, _gc_do)
#define mtype_gc IPSET_TOKEN(MTYPE, _gc)
#define mtype_gc_init IPSET_TOKEN(MTYPE, _gc_init)
+#define mtype_cancel_gc IPSET_TOKEN(MTYPE, _cancel_gc)
#define mtype_variant IPSET_TOKEN(MTYPE, _variant)
#define mtype_data_match IPSET_TOKEN(MTYPE, _data_match)

@@ -417,7 +419,7 @@ mtype_ahash_destroy(struct ip_set *set, struct htable *t, bool ext_destroy)
u32 i;

for (i = 0; i < jhash_size(t->htable_bits); i++) {
- n = __ipset_dereference(hbucket(t, i));
+ n = (__force struct hbucket *)hbucket(t, i);
if (!n)
continue;
if (set->extensions & IPSET_EXT_DESTROY && ext_destroy)
@@ -437,10 +439,7 @@ mtype_destroy(struct ip_set *set)
struct htype *h = set->data;
struct list_head *l, *lt;

- if (SET_WITH_TIMEOUT(set))
- cancel_delayed_work_sync(&h->gc.dwork);
-
- mtype_ahash_destroy(set, ipset_dereference_nfnl(h->table), true);
+ mtype_ahash_destroy(set, (__force struct htable *)h->table, true);
list_for_each_safe(l, lt, &h->ad) {
list_del(l);
kfree(l);
@@ -586,6 +585,15 @@ mtype_gc_init(struct htable_gc *gc)
queue_delayed_work(system_power_efficient_wq, &gc->dwork, HZ);
}

+static void
+mtype_cancel_gc(struct ip_set *set)
+{
+ struct htype *h = set->data;
+
+ if (SET_WITH_TIMEOUT(set))
+ cancel_delayed_work_sync(&h->gc.dwork);
+}
+
static int
mtype_add(struct ip_set *set, void *value, const struct ip_set_ext *ext,
struct ip_set_ext *mext, u32 flags);
@@ -1416,6 +1424,7 @@ static const struct ip_set_type_variant mtype_variant = {
.uref = mtype_uref,
.resize = mtype_resize,
.same_set = mtype_same_set,
+ .cancel_gc = mtype_cancel_gc,
.region_lock = true,
};

diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index 5a67f7966574..6bc7019982b0 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -426,9 +426,6 @@ list_set_destroy(struct ip_set *set)
struct list_set *map = set->data;
struct set_elem *e, *n;

- if (SET_WITH_TIMEOUT(set))
- del_timer_sync(&map->gc);
-
list_for_each_entry_safe(e, n, &map->members, list) {
list_del(&e->list);
ip_set_put_byindex(map->net, e->id);
@@ -545,6 +542,15 @@ list_set_same_set(const struct ip_set *a, const struct ip_set *b)
a->extensions == b->extensions;
}

+static void
+list_set_cancel_gc(struct ip_set *set)
+{
+ struct list_set *map = set->data;
+
+ if (SET_WITH_TIMEOUT(set))
+ del_timer_sync(&map->gc);
+}
+
static const struct ip_set_type_variant set_variant = {
.kadt = list_set_kadt,
.uadt = list_set_uadt,
@@ -558,6 +564,7 @@ static const struct ip_set_type_variant set_variant = {
.head = list_set_head,
.list = list_set_list,
.same_set = list_set_same_set,
+ .cancel_gc = list_set_cancel_gc,
};

static void
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index edee7fa944c1..8f5362a19b15 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -193,11 +193,12 @@ void nf_logger_put(int pf, enum nf_log_type type)
return;
}

- BUG_ON(loggers[pf][type] == NULL);
-
rcu_read_lock();
logger = rcu_dereference(loggers[pf][type]);
- module_put(logger->me);
+ if (!logger)
+ WARN_ON_ONCE(1);
+ else
+ module_put(logger->me);
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(nf_logger_put);
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index e2e3ccbb635f..3ad2b22886ff 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -24,6 +24,7 @@
#include <net/sock.h>

#define NFT_MODULE_AUTOLOAD_LIMIT (MODULE_NAME_LEN - sizeof("nft-expr-255-"))
+#define NFT_SET_MAX_ANONLEN 16

unsigned int nf_tables_net_id __read_mostly;

@@ -4057,6 +4058,9 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set,
if (p[1] != 'd' || strchr(p + 2, '%'))
return -EINVAL;

+ if (strnlen(name, NFT_SET_MAX_ANONLEN) >= NFT_SET_MAX_ANONLEN)
+ return -EINVAL;
+
inuse = (unsigned long *)get_zeroed_page(GFP_KERNEL);
if (inuse == NULL)
return -ENOMEM;
@@ -6995,11 +6999,15 @@ static int nft_object_dump(struct sk_buff *skb, unsigned int attr,
return -1;
}

-static const struct nft_object_type *__nft_obj_type_get(u32 objtype)
+static const struct nft_object_type *__nft_obj_type_get(u32 objtype, u8 family)
{
const struct nft_object_type *type;

list_for_each_entry(type, &nf_tables_objects, list) {
+ if (type->family != NFPROTO_UNSPEC &&
+ type->family != family)
+ continue;
+
if (objtype == type->type)
return type;
}
@@ -7007,11 +7015,11 @@ static const struct nft_object_type *__nft_obj_type_get(u32 objtype)
}

static const struct nft_object_type *
-nft_obj_type_get(struct net *net, u32 objtype)
+nft_obj_type_get(struct net *net, u32 objtype, u8 family)
{
const struct nft_object_type *type;

- type = __nft_obj_type_get(objtype);
+ type = __nft_obj_type_get(objtype, family);
if (type != NULL && try_module_get(type->owner))
return type;

@@ -7104,7 +7112,7 @@ static int nf_tables_newobj(struct sk_buff *skb, const struct nfnl_info *info,
if (info->nlh->nlmsg_flags & NLM_F_REPLACE)
return -EOPNOTSUPP;

- type = __nft_obj_type_get(objtype);
+ type = __nft_obj_type_get(objtype, family);
if (WARN_ON_ONCE(!type))
return -ENOENT;

@@ -7118,7 +7126,7 @@ static int nf_tables_newobj(struct sk_buff *skb, const struct nfnl_info *info,
if (!nft_use_inc(&table->use))
return -EMFILE;

- type = nft_obj_type_get(net, objtype);
+ type = nft_obj_type_get(net, objtype, family);
if (IS_ERR(type)) {
err = PTR_ERR(type);
goto err_type;
@@ -10247,16 +10255,10 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
data->verdict.code = ntohl(nla_get_be32(tb[NFTA_VERDICT_CODE]));

switch (data->verdict.code) {
- default:
- switch (data->verdict.code & NF_VERDICT_MASK) {
- case NF_ACCEPT:
- case NF_DROP:
- case NF_QUEUE:
- break;
- default:
- return -EINVAL;
- }
- fallthrough;
+ case NF_ACCEPT:
+ case NF_DROP:
+ case NF_QUEUE:
+ break;
case NFT_CONTINUE:
case NFT_BREAK:
case NFT_RETURN:
@@ -10291,6 +10293,8 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,

data->verdict.chain = chain;
break;
+ default:
+ return -EINVAL;
}

desc->len = sizeof(data->verdict);
diff --git a/net/netfilter/nft_chain_filter.c b/net/netfilter/nft_chain_filter.c
index 5b02408a920b..35aa4ea94205 100644
--- a/net/netfilter/nft_chain_filter.c
+++ b/net/netfilter/nft_chain_filter.c
@@ -355,9 +355,10 @@ static int nf_tables_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct nft_base_chain *basechain;
struct nftables_pernet *nft_net;
- struct nft_table *table;
struct nft_chain *chain, *nr;
+ struct nft_table *table;
struct nft_ctx ctx = {
.net = dev_net(dev),
};
@@ -369,7 +370,8 @@ static int nf_tables_netdev_event(struct notifier_block *this,
nft_net = nft_pernet(ctx.net);
mutex_lock(&nft_net->commit_mutex);
list_for_each_entry(table, &nft_net->tables, list) {
- if (table->family != NFPROTO_NETDEV)
+ if (table->family != NFPROTO_NETDEV &&
+ table->family != NFPROTO_INET)
continue;

ctx.family = table->family;
@@ -378,6 +380,11 @@ static int nf_tables_netdev_event(struct notifier_block *this,
if (!nft_is_base_chain(chain))
continue;

+ basechain = nft_base_chain(chain);
+ if (table->family == NFPROTO_INET &&
+ basechain->ops.hooknum != NF_INET_INGRESS)
+ continue;
+
ctx.chain = chain;
nft_netdev_event(event, dev, &ctx);
}
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index f69cc73c5813..64a2a5f19589 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -200,6 +200,7 @@ static const struct nla_policy nft_rule_compat_policy[NFTA_RULE_COMPAT_MAX + 1]
static int nft_parse_compat(const struct nlattr *attr, u16 *proto, bool *inv)
{
struct nlattr *tb[NFTA_RULE_COMPAT_MAX+1];
+ u32 l4proto;
u32 flags;
int err;

@@ -212,12 +213,18 @@ static int nft_parse_compat(const struct nlattr *attr, u16 *proto, bool *inv)
return -EINVAL;

flags = ntohl(nla_get_be32(tb[NFTA_RULE_COMPAT_FLAGS]));
- if (flags & ~NFT_RULE_COMPAT_F_MASK)
+ if (flags & NFT_RULE_COMPAT_F_UNUSED ||
+ flags & ~NFT_RULE_COMPAT_F_MASK)
return -EINVAL;
if (flags & NFT_RULE_COMPAT_F_INV)
*inv = true;

- *proto = ntohl(nla_get_be32(tb[NFTA_RULE_COMPAT_PROTO]));
+ l4proto = ntohl(nla_get_be32(tb[NFTA_RULE_COMPAT_PROTO]));
+ if (l4proto > U16_MAX)
+ return -EINVAL;
+
+ *proto = l4proto;
+
return 0;
}

@@ -349,6 +356,12 @@ static int nft_target_validate(const struct nft_ctx *ctx,
unsigned int hook_mask = 0;
int ret;

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_BRIDGE &&
+ ctx->family != NFPROTO_ARP)
+ return -EOPNOTSUPP;
+
if (nft_is_base_chain(ctx->chain)) {
const struct nft_base_chain *basechain =
nft_base_chain(ctx->chain);
@@ -592,6 +605,12 @@ static int nft_match_validate(const struct nft_ctx *ctx,
unsigned int hook_mask = 0;
int ret;

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_BRIDGE &&
+ ctx->family != NFPROTO_ARP)
+ return -EOPNOTSUPP;
+
if (nft_is_base_chain(ctx->chain)) {
const struct nft_base_chain *basechain =
nft_base_chain(ctx->chain);
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index bd468e955a21..7c667629c514 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -483,6 +483,9 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
break;
#endif
case NFT_CT_ID:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
+
len = sizeof(u32);
break;
default:
@@ -1186,7 +1189,31 @@ static int nft_ct_expect_obj_init(const struct nft_ctx *ctx,
if (tb[NFTA_CT_EXPECT_L3PROTO])
priv->l3num = ntohs(nla_get_be16(tb[NFTA_CT_EXPECT_L3PROTO]));

+ switch (priv->l3num) {
+ case NFPROTO_IPV4:
+ case NFPROTO_IPV6:
+ if (priv->l3num != ctx->family)
+ return -EINVAL;
+
+ fallthrough;
+ case NFPROTO_INET:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
priv->l4proto = nla_get_u8(tb[NFTA_CT_EXPECT_L4PROTO]);
+ switch (priv->l4proto) {
+ case IPPROTO_TCP:
+ case IPPROTO_UDP:
+ case IPPROTO_UDPLITE:
+ case IPPROTO_DCCP:
+ case IPPROTO_SCTP:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
priv->dport = nla_get_be16(tb[NFTA_CT_EXPECT_DPORT]);
priv->timeout = nla_get_u32(tb[NFTA_CT_EXPECT_TIMEOUT]);
priv->size = nla_get_u8(tb[NFTA_CT_EXPECT_SIZE]);
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index a5fc7213be3e..f8346497c9b4 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -357,6 +357,11 @@ static int nft_flow_offload_validate(const struct nft_ctx *ctx,
{
unsigned int hook_mask = (1 << NF_INET_FORWARD);

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
return nft_chain_validate_hooks(ctx->chain, hook_mask);
}

diff --git a/net/netfilter/nft_limit.c b/net/netfilter/nft_limit.c
index 593fa07f10d5..b23a671fa9d8 100644
--- a/net/netfilter/nft_limit.c
+++ b/net/netfilter/nft_limit.c
@@ -58,17 +58,19 @@ static inline bool nft_limit_eval(struct nft_limit_priv *priv, u64 cost)
static int nft_limit_init(struct nft_limit_priv *priv,
const struct nlattr * const tb[], bool pkts)
{
+ u64 unit, tokens, rate_with_burst;
bool invert = false;
- u64 unit, tokens;

if (tb[NFTA_LIMIT_RATE] == NULL ||
tb[NFTA_LIMIT_UNIT] == NULL)
return -EINVAL;

priv->rate = be64_to_cpu(nla_get_be64(tb[NFTA_LIMIT_RATE]));
+ if (priv->rate == 0)
+ return -EINVAL;
+
unit = be64_to_cpu(nla_get_be64(tb[NFTA_LIMIT_UNIT]));
- priv->nsecs = unit * NSEC_PER_SEC;
- if (priv->rate == 0 || priv->nsecs < unit)
+ if (check_mul_overflow(unit, NSEC_PER_SEC, &priv->nsecs))
return -EOVERFLOW;

if (tb[NFTA_LIMIT_BURST])
@@ -77,18 +79,25 @@ static int nft_limit_init(struct nft_limit_priv *priv,
if (pkts && priv->burst == 0)
priv->burst = NFT_LIMIT_PKT_BURST_DEFAULT;

- if (priv->rate + priv->burst < priv->rate)
+ if (check_add_overflow(priv->rate, priv->burst, &rate_with_burst))
return -EOVERFLOW;

if (pkts) {
- tokens = div64_u64(priv->nsecs, priv->rate) * priv->burst;
+ u64 tmp = div64_u64(priv->nsecs, priv->rate);
+
+ if (check_mul_overflow(tmp, priv->burst, &tokens))
+ return -EOVERFLOW;
} else {
+ u64 tmp;
+
/* The token bucket size limits the number of tokens can be
* accumulated. tokens_max specifies the bucket size.
* tokens_max = unit * (rate + burst) / rate.
*/
- tokens = div64_u64(priv->nsecs * (priv->rate + priv->burst),
- priv->rate);
+ if (check_mul_overflow(priv->nsecs, rate_with_burst, &tmp))
+ return -EOVERFLOW;
+
+ tokens = div64_u64(tmp, priv->rate);
}

if (tb[NFTA_LIMIT_FLAGS]) {
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c
index cd4eb4996aff..2e1ee7d9d9c3 100644
--- a/net/netfilter/nft_nat.c
+++ b/net/netfilter/nft_nat.c
@@ -142,6 +142,11 @@ static int nft_nat_validate(const struct nft_ctx *ctx,
struct nft_nat *priv = nft_expr_priv(expr);
int err;

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
if (err < 0)
return err;
diff --git a/net/netfilter/nft_rt.c b/net/netfilter/nft_rt.c
index bcd01a63e38f..f4a96164a5a1 100644
--- a/net/netfilter/nft_rt.c
+++ b/net/netfilter/nft_rt.c
@@ -166,6 +166,11 @@ static int nft_rt_validate(const struct nft_ctx *ctx, const struct nft_expr *exp
const struct nft_rt *priv = nft_expr_priv(expr);
unsigned int hooks;

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
switch (priv->key) {
case NFT_RT_NEXTHOP4:
case NFT_RT_NEXTHOP6:
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 4e1cc31729b8..e1969209b3ab 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -342,9 +342,6 @@
#include "nft_set_pipapo_avx2.h"
#include "nft_set_pipapo.h"

-/* Current working bitmap index, toggled between field matches */
-static DEFINE_PER_CPU(bool, nft_pipapo_scratch_index);
-
/**
* pipapo_refill() - For each set bit, set bits from selected mapping table item
* @map: Bitmap to be scanned for set bits
@@ -412,6 +409,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
const u32 *key, const struct nft_set_ext **ext)
{
struct nft_pipapo *priv = nft_set_priv(set);
+ struct nft_pipapo_scratch *scratch;
unsigned long *res_map, *fill_map;
u8 genmask = nft_genmask_cur(net);
const u8 *rp = (const u8 *)key;
@@ -422,15 +420,17 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,

local_bh_disable();

- map_index = raw_cpu_read(nft_pipapo_scratch_index);
-
m = rcu_dereference(priv->match);

if (unlikely(!m || !*raw_cpu_ptr(m->scratch)))
goto out;

- res_map = *raw_cpu_ptr(m->scratch) + (map_index ? m->bsize_max : 0);
- fill_map = *raw_cpu_ptr(m->scratch) + (map_index ? 0 : m->bsize_max);
+ scratch = *raw_cpu_ptr(m->scratch);
+
+ map_index = scratch->map_index;
+
+ res_map = scratch->map + (map_index ? m->bsize_max : 0);
+ fill_map = scratch->map + (map_index ? 0 : m->bsize_max);

memset(res_map, 0xff, m->bsize_max * sizeof(*res_map));

@@ -460,7 +460,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
b = pipapo_refill(res_map, f->bsize, f->rules, fill_map, f->mt,
last);
if (b < 0) {
- raw_cpu_write(nft_pipapo_scratch_index, map_index);
+ scratch->map_index = map_index;
local_bh_enable();

return false;
@@ -477,7 +477,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
* current inactive bitmap is clean and can be reused as
* *next* bitmap (not initial) for the next packet.
*/
- raw_cpu_write(nft_pipapo_scratch_index, map_index);
+ scratch->map_index = map_index;
local_bh_enable();

return true;
@@ -1101,6 +1101,25 @@ static void pipapo_map(struct nft_pipapo_match *m,
f->mt[map[i].to + j].e = e;
}

+/**
+ * pipapo_free_scratch() - Free per-CPU map at original (not aligned) address
+ * @m: Matching data
+ * @cpu: CPU number
+ */
+static void pipapo_free_scratch(const struct nft_pipapo_match *m, unsigned int cpu)
+{
+ struct nft_pipapo_scratch *s;
+ void *mem;
+
+ s = *per_cpu_ptr(m->scratch, cpu);
+ if (!s)
+ return;
+
+ mem = s;
+ mem -= s->align_off;
+ kfree(mem);
+}
+
/**
* pipapo_realloc_scratch() - Reallocate scratch maps for partial match results
* @clone: Copy of matching data with pending insertions and deletions
@@ -1114,12 +1133,13 @@ static int pipapo_realloc_scratch(struct nft_pipapo_match *clone,
int i;

for_each_possible_cpu(i) {
- unsigned long *scratch;
+ struct nft_pipapo_scratch *scratch;
#ifdef NFT_PIPAPO_ALIGN
- unsigned long *scratch_aligned;
+ void *scratch_aligned;
+ u32 align_off;
#endif
-
- scratch = kzalloc_node(bsize_max * sizeof(*scratch) * 2 +
+ scratch = kzalloc_node(struct_size(scratch, map,
+ bsize_max * 2) +
NFT_PIPAPO_ALIGN_HEADROOM,
GFP_KERNEL, cpu_to_node(i));
if (!scratch) {
@@ -1133,14 +1153,25 @@ static int pipapo_realloc_scratch(struct nft_pipapo_match *clone,
return -ENOMEM;
}

- kfree(*per_cpu_ptr(clone->scratch, i));
-
- *per_cpu_ptr(clone->scratch, i) = scratch;
+ pipapo_free_scratch(clone, i);

#ifdef NFT_PIPAPO_ALIGN
- scratch_aligned = NFT_PIPAPO_LT_ALIGN(scratch);
- *per_cpu_ptr(clone->scratch_aligned, i) = scratch_aligned;
+ /* Align &scratch->map (not the struct itself): the extra
+ * %NFT_PIPAPO_ALIGN_HEADROOM bytes passed to kzalloc_node()
+ * above guarantee we can waste up to those bytes in order
+ * to align the map field regardless of its offset within
+ * the struct.
+ */
+ BUILD_BUG_ON(offsetof(struct nft_pipapo_scratch, map) > NFT_PIPAPO_ALIGN_HEADROOM);
+
+ scratch_aligned = NFT_PIPAPO_LT_ALIGN(&scratch->map);
+ scratch_aligned -= offsetof(struct nft_pipapo_scratch, map);
+ align_off = scratch_aligned - (void *)scratch;
+
+ scratch = scratch_aligned;
+ scratch->align_off = align_off;
#endif
+ *per_cpu_ptr(clone->scratch, i) = scratch;
}

return 0;
@@ -1294,11 +1325,6 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old)
if (!new->scratch)
goto out_scratch;

-#ifdef NFT_PIPAPO_ALIGN
- new->scratch_aligned = alloc_percpu(*new->scratch_aligned);
- if (!new->scratch_aligned)
- goto out_scratch;
-#endif
for_each_possible_cpu(i)
*per_cpu_ptr(new->scratch, i) = NULL;

@@ -1350,10 +1376,7 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old)
}
out_scratch_realloc:
for_each_possible_cpu(i)
- kfree(*per_cpu_ptr(new->scratch, i));
-#ifdef NFT_PIPAPO_ALIGN
- free_percpu(new->scratch_aligned);
-#endif
+ pipapo_free_scratch(new, i);
out_scratch:
free_percpu(new->scratch);
kfree(new);
@@ -1638,13 +1661,9 @@ static void pipapo_free_match(struct nft_pipapo_match *m)
int i;

for_each_possible_cpu(i)
- kfree(*per_cpu_ptr(m->scratch, i));
+ pipapo_free_scratch(m, i);

-#ifdef NFT_PIPAPO_ALIGN
- free_percpu(m->scratch_aligned);
-#endif
free_percpu(m->scratch);
-
pipapo_free_fields(m);

kfree(m);
@@ -2132,7 +2151,7 @@ static int nft_pipapo_init(const struct nft_set *set,
m->field_count = field_count;
m->bsize_max = 0;

- m->scratch = alloc_percpu(unsigned long *);
+ m->scratch = alloc_percpu(struct nft_pipapo_scratch *);
if (!m->scratch) {
err = -ENOMEM;
goto out_scratch;
@@ -2140,16 +2159,6 @@ static int nft_pipapo_init(const struct nft_set *set,
for_each_possible_cpu(i)
*per_cpu_ptr(m->scratch, i) = NULL;

-#ifdef NFT_PIPAPO_ALIGN
- m->scratch_aligned = alloc_percpu(unsigned long *);
- if (!m->scratch_aligned) {
- err = -ENOMEM;
- goto out_free;
- }
- for_each_possible_cpu(i)
- *per_cpu_ptr(m->scratch_aligned, i) = NULL;
-#endif
-
rcu_head_init(&m->rcu);

nft_pipapo_for_each_field(f, i, m) {
@@ -2180,9 +2189,6 @@ static int nft_pipapo_init(const struct nft_set *set,
return 0;

out_free:
-#ifdef NFT_PIPAPO_ALIGN
- free_percpu(m->scratch_aligned);
-#endif
free_percpu(m->scratch);
out_scratch:
kfree(m);
@@ -2236,11 +2242,8 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,

nft_set_pipapo_match_destroy(ctx, set, m);

-#ifdef NFT_PIPAPO_ALIGN
- free_percpu(m->scratch_aligned);
-#endif
for_each_possible_cpu(cpu)
- kfree(*per_cpu_ptr(m->scratch, cpu));
+ pipapo_free_scratch(m, cpu);
free_percpu(m->scratch);
pipapo_free_fields(m);
kfree(m);
@@ -2253,11 +2256,8 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,
if (priv->dirty)
nft_set_pipapo_match_destroy(ctx, set, m);

-#ifdef NFT_PIPAPO_ALIGN
- free_percpu(priv->clone->scratch_aligned);
-#endif
for_each_possible_cpu(cpu)
- kfree(*per_cpu_ptr(priv->clone->scratch, cpu));
+ pipapo_free_scratch(priv->clone, cpu);
free_percpu(priv->clone->scratch);

pipapo_free_fields(priv->clone);
diff --git a/net/netfilter/nft_set_pipapo.h b/net/netfilter/nft_set_pipapo.h
index 25a75591583e..30a3d092cd84 100644
--- a/net/netfilter/nft_set_pipapo.h
+++ b/net/netfilter/nft_set_pipapo.h
@@ -130,21 +130,29 @@ struct nft_pipapo_field {
union nft_pipapo_map_bucket *mt;
};

+/**
+ * struct nft_pipapo_scratch - percpu data used for lookup and matching
+ * @map_index: Current working bitmap index, toggled between field matches
+ * @align_off: Offset to get the originally allocated address
+ * @map: store partial matching results during lookup
+ */
+struct nft_pipapo_scratch {
+ u8 map_index;
+ u32 align_off;
+ unsigned long map[];
+};
+
/**
* struct nft_pipapo_match - Data used for lookup and matching
* @field_count Amount of fields in set
* @scratch: Preallocated per-CPU maps for partial matching results
- * @scratch_aligned: Version of @scratch aligned to NFT_PIPAPO_ALIGN bytes
* @bsize_max: Maximum lookup table bucket size of all fields, in longs
* @rcu Matching data is swapped on commits
* @f: Fields, with lookup and mapping tables
*/
struct nft_pipapo_match {
int field_count;
-#ifdef NFT_PIPAPO_ALIGN
- unsigned long * __percpu *scratch_aligned;
-#endif
- unsigned long * __percpu *scratch;
+ struct nft_pipapo_scratch * __percpu *scratch;
size_t bsize_max;
struct rcu_head rcu;
struct nft_pipapo_field f[];
diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c
index 6f4116e72958..0d9f8e79eb00 100644
--- a/net/netfilter/nft_set_pipapo_avx2.c
+++ b/net/netfilter/nft_set_pipapo_avx2.c
@@ -71,9 +71,6 @@
#define NFT_PIPAPO_AVX2_ZERO(reg) \
asm volatile("vpxor %ymm" #reg ", %ymm" #reg ", %ymm" #reg)

-/* Current working bitmap index, toggled between field matches */
-static DEFINE_PER_CPU(bool, nft_pipapo_avx2_scratch_index);
-
/**
* nft_pipapo_avx2_prepare() - Prepare before main algorithm body
*
@@ -1122,11 +1119,12 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set,
const u32 *key, const struct nft_set_ext **ext)
{
struct nft_pipapo *priv = nft_set_priv(set);
- unsigned long *res, *fill, *scratch;
+ struct nft_pipapo_scratch *scratch;
u8 genmask = nft_genmask_cur(net);
const u8 *rp = (const u8 *)key;
struct nft_pipapo_match *m;
struct nft_pipapo_field *f;
+ unsigned long *res, *fill;
bool map_index;
int i, ret = 0;

@@ -1143,15 +1141,16 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set,
*/
kernel_fpu_begin_mask(0);

- scratch = *raw_cpu_ptr(m->scratch_aligned);
+ scratch = *raw_cpu_ptr(m->scratch);
if (unlikely(!scratch)) {
kernel_fpu_end();
return false;
}
- map_index = raw_cpu_read(nft_pipapo_avx2_scratch_index);

- res = scratch + (map_index ? m->bsize_max : 0);
- fill = scratch + (map_index ? 0 : m->bsize_max);
+ map_index = scratch->map_index;
+
+ res = scratch->map + (map_index ? m->bsize_max : 0);
+ fill = scratch->map + (map_index ? 0 : m->bsize_max);

/* Starting map doesn't need to be set for this implementation */

@@ -1223,7 +1222,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set,

out:
if (i % 2)
- raw_cpu_write(nft_pipapo_avx2_scratch_index, !map_index);
+ scratch->map_index = !map_index;
kernel_fpu_end();

return ret >= 0;
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index e34662f4a71e..5bf5572e945c 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -235,7 +235,7 @@ static void nft_rbtree_gc_remove(struct net *net, struct nft_set *set,

static const struct nft_rbtree_elem *
nft_rbtree_gc_elem(const struct nft_set *__set, struct nft_rbtree *priv,
- struct nft_rbtree_elem *rbe, u8 genmask)
+ struct nft_rbtree_elem *rbe)
{
struct nft_set *set = (struct nft_set *)__set;
struct rb_node *prev = rb_prev(&rbe->node);
@@ -254,7 +254,7 @@ nft_rbtree_gc_elem(const struct nft_set *__set, struct nft_rbtree *priv,
while (prev) {
rbe_prev = rb_entry(prev, struct nft_rbtree_elem, node);
if (nft_rbtree_interval_end(rbe_prev) &&
- nft_set_elem_active(&rbe_prev->ext, genmask))
+ nft_set_elem_active(&rbe_prev->ext, NFT_GENMASK_ANY))
break;

prev = rb_prev(prev);
@@ -365,7 +365,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
nft_set_elem_active(&rbe->ext, cur_genmask)) {
const struct nft_rbtree_elem *removed_end;

- removed_end = nft_rbtree_gc_elem(set, priv, rbe, genmask);
+ removed_end = nft_rbtree_gc_elem(set, priv, rbe);
if (IS_ERR(removed_end))
return PTR_ERR(removed_end);

diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index 1725e7349f3d..3c444fcb20ec 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -214,6 +214,11 @@ static int nft_socket_validate(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nft_data **data)
{
+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
return nft_chain_validate_hooks(ctx->chain,
(1 << NF_INET_PRE_ROUTING) |
(1 << NF_INET_LOCAL_IN) |
diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c
index 1133e06f3c40..0806813d3a76 100644
--- a/net/netfilter/nft_synproxy.c
+++ b/net/netfilter/nft_synproxy.c
@@ -186,7 +186,6 @@ static int nft_synproxy_do_init(const struct nft_ctx *ctx,
break;
#endif
case NFPROTO_INET:
- case NFPROTO_BRIDGE:
err = nf_synproxy_ipv4_init(snet, ctx->net);
if (err)
goto nf_ct_failure;
@@ -219,7 +218,6 @@ static void nft_synproxy_do_destroy(const struct nft_ctx *ctx)
break;
#endif
case NFPROTO_INET:
- case NFPROTO_BRIDGE:
nf_synproxy_ipv4_fini(snet, ctx->net);
nf_synproxy_ipv6_fini(snet, ctx->net);
break;
@@ -253,6 +251,11 @@ static int nft_synproxy_validate(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nft_data **data)
{
+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
return nft_chain_validate_hooks(ctx->chain, (1 << NF_INET_LOCAL_IN) |
(1 << NF_INET_FORWARD));
}
diff --git a/net/netfilter/nft_tproxy.c b/net/netfilter/nft_tproxy.c
index e9679cb4afbe..5c1ef4709c49 100644
--- a/net/netfilter/nft_tproxy.c
+++ b/net/netfilter/nft_tproxy.c
@@ -316,6 +316,11 @@ static int nft_tproxy_validate(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nft_data **data)
{
+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
return nft_chain_validate_hooks(ctx->chain, 1 << NF_INET_PRE_ROUTING);
}

diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index 2ee50996da8c..c8822fa8196d 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -684,6 +684,7 @@ static const struct nft_object_ops nft_tunnel_obj_ops = {

static struct nft_object_type nft_tunnel_obj_type __read_mostly = {
.type = NFT_OBJECT_TUNNEL,
+ .family = NFPROTO_NETDEV,
.ops = &nft_tunnel_obj_ops,
.maxattr = NFTA_TUNNEL_KEY_MAX,
.policy = nft_tunnel_key_policy,
diff --git a/net/netfilter/nft_xfrm.c b/net/netfilter/nft_xfrm.c
index 3553f89fd057..e96f3420947f 100644
--- a/net/netfilter/nft_xfrm.c
+++ b/net/netfilter/nft_xfrm.c
@@ -233,6 +233,11 @@ static int nft_xfrm_validate(const struct nft_ctx *ctx, const struct nft_expr *e
const struct nft_xfrm *priv = nft_expr_priv(expr);
unsigned int hooks;

+ if (ctx->family != NFPROTO_IPV4 &&
+ ctx->family != NFPROTO_IPV6 &&
+ ctx->family != NFPROTO_INET)
+ return -EOPNOTSUPP;
+
switch (priv->dir) {
case XFRM_POLICY_IN:
hooks = (1 << NF_INET_FORWARD) |
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index f41e130a812f..2169a9c3da1c 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -374,7 +374,7 @@ static void netlink_skb_destructor(struct sk_buff *skb)
if (is_vmalloc_addr(skb->head)) {
if (!skb->cloned ||
!atomic_dec_return(&(skb_shinfo(skb)->dataref)))
- vfree(skb->head);
+ vfree_atomic(skb->head);

skb->head = NULL;
}
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 643dfc90b063..419a1d0ba4c9 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -1211,6 +1211,10 @@ void nci_free_device(struct nci_dev *ndev)
{
nfc_free_device(ndev->nfc_dev);
nci_hci_deallocate(ndev);
+
+ /* drop partial rx data packet if present */
+ if (ndev->rx_data_reassembly)
+ kfree_skb(ndev->rx_data_reassembly);
kfree(ndev);
}
EXPORT_SYMBOL(nci_free_device);
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index d77c21ff066c..1cf431d04a46 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -47,6 +47,7 @@ struct ovs_len_tbl {

#define OVS_ATTR_NESTED -1
#define OVS_ATTR_VARIABLE -2
+#define OVS_COPY_ACTIONS_MAX_DEPTH 16

static bool actions_may_change_flow(const struct nlattr *actions)
{
@@ -2514,13 +2515,15 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
const struct sw_flow_key *key,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
- u32 mpls_label_count, bool log);
+ u32 mpls_label_count, bool log,
+ u32 depth);

static int validate_and_copy_sample(struct net *net, const struct nlattr *attr,
const struct sw_flow_key *key,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
- u32 mpls_label_count, bool log, bool last)
+ u32 mpls_label_count, bool log, bool last,
+ u32 depth)
{
const struct nlattr *attrs[OVS_SAMPLE_ATTR_MAX + 1];
const struct nlattr *probability, *actions;
@@ -2571,7 +2574,8 @@ static int validate_and_copy_sample(struct net *net, const struct nlattr *attr,
return err;

err = __ovs_nla_copy_actions(net, actions, key, sfa,
- eth_type, vlan_tci, mpls_label_count, log);
+ eth_type, vlan_tci, mpls_label_count, log,
+ depth + 1);

if (err)
return err;
@@ -2586,7 +2590,8 @@ static int validate_and_copy_dec_ttl(struct net *net,
const struct sw_flow_key *key,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
- u32 mpls_label_count, bool log)
+ u32 mpls_label_count, bool log,
+ u32 depth)
{
const struct nlattr *attrs[OVS_DEC_TTL_ATTR_MAX + 1];
int start, action_start, err, rem;
@@ -2629,7 +2634,8 @@ static int validate_and_copy_dec_ttl(struct net *net,
return action_start;

err = __ovs_nla_copy_actions(net, actions, key, sfa, eth_type,
- vlan_tci, mpls_label_count, log);
+ vlan_tci, mpls_label_count, log,
+ depth + 1);
if (err)
return err;

@@ -2643,7 +2649,8 @@ static int validate_and_copy_clone(struct net *net,
const struct sw_flow_key *key,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
- u32 mpls_label_count, bool log, bool last)
+ u32 mpls_label_count, bool log, bool last,
+ u32 depth)
{
int start, err;
u32 exec;
@@ -2663,7 +2670,8 @@ static int validate_and_copy_clone(struct net *net,
return err;

err = __ovs_nla_copy_actions(net, attr, key, sfa,
- eth_type, vlan_tci, mpls_label_count, log);
+ eth_type, vlan_tci, mpls_label_count, log,
+ depth + 1);
if (err)
return err;

@@ -3032,7 +3040,7 @@ static int validate_and_copy_check_pkt_len(struct net *net,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
u32 mpls_label_count,
- bool log, bool last)
+ bool log, bool last, u32 depth)
{
const struct nlattr *acts_if_greater, *acts_if_lesser_eq;
struct nlattr *a[OVS_CHECK_PKT_LEN_ATTR_MAX + 1];
@@ -3080,7 +3088,8 @@ static int validate_and_copy_check_pkt_len(struct net *net,
return nested_acts_start;

err = __ovs_nla_copy_actions(net, acts_if_lesser_eq, key, sfa,
- eth_type, vlan_tci, mpls_label_count, log);
+ eth_type, vlan_tci, mpls_label_count, log,
+ depth + 1);

if (err)
return err;
@@ -3093,7 +3102,8 @@ static int validate_and_copy_check_pkt_len(struct net *net,
return nested_acts_start;

err = __ovs_nla_copy_actions(net, acts_if_greater, key, sfa,
- eth_type, vlan_tci, mpls_label_count, log);
+ eth_type, vlan_tci, mpls_label_count, log,
+ depth + 1);

if (err)
return err;
@@ -3121,12 +3131,16 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
const struct sw_flow_key *key,
struct sw_flow_actions **sfa,
__be16 eth_type, __be16 vlan_tci,
- u32 mpls_label_count, bool log)
+ u32 mpls_label_count, bool log,
+ u32 depth)
{
u8 mac_proto = ovs_key_mac_proto(key);
const struct nlattr *a;
int rem, err;

+ if (depth > OVS_COPY_ACTIONS_MAX_DEPTH)
+ return -EOVERFLOW;
+
nla_for_each_nested(a, attr, rem) {
/* Expected argument lengths, (u32)-1 for variable length. */
static const u32 action_lens[OVS_ACTION_ATTR_MAX + 1] = {
@@ -3321,7 +3335,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
err = validate_and_copy_sample(net, a, key, sfa,
eth_type, vlan_tci,
mpls_label_count,
- log, last);
+ log, last, depth);
if (err)
return err;
skip_copy = true;
@@ -3392,7 +3406,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
err = validate_and_copy_clone(net, a, key, sfa,
eth_type, vlan_tci,
mpls_label_count,
- log, last);
+ log, last, depth);
if (err)
return err;
skip_copy = true;
@@ -3406,7 +3420,8 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
eth_type,
vlan_tci,
mpls_label_count,
- log, last);
+ log, last,
+ depth);
if (err)
return err;
skip_copy = true;
@@ -3416,7 +3431,8 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
case OVS_ACTION_ATTR_DEC_TTL:
err = validate_and_copy_dec_ttl(net, a, key, sfa,
eth_type, vlan_tci,
- mpls_label_count, log);
+ mpls_label_count, log,
+ depth);
if (err)
return err;
skip_copy = true;
@@ -3456,7 +3472,8 @@ int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,

(*sfa)->orig_len = nla_len(attr);
err = __ovs_nla_copy_actions(net, attr, key, sfa, key->eth.type,
- key->eth.vlan.tci, mpls_label_count, log);
+ key->eth.vlan.tci, mpls_label_count, log,
+ 0);
if (err)
ovs_nla_free_flow_actions(*sfa);

diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index b239120dd9ca..0ec0ae148349 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -419,7 +419,7 @@ static int rds_recv_track_latency(struct rds_sock *rs, sockptr_t optval,

rs->rs_rx_traces = trace.rx_traces;
for (i = 0; i < rs->rs_rx_traces; i++) {
- if (trace.rx_trace_pos[i] > RDS_MSG_RX_DGRAM_TRACE_MAX) {
+ if (trace.rx_trace_pos[i] >= RDS_MSG_RX_DGRAM_TRACE_MAX) {
rs->rs_rx_traces = 0;
return -EFAULT;
}
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index aab069701398..5d91ef562ff7 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -41,6 +41,14 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,

_enter("%d", conn->debug_id);

+ if (sp && sp->hdr.type == RXRPC_PACKET_TYPE_ACK) {
+ if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header),
+ &pkt.ack, sizeof(pkt.ack)) < 0)
+ return;
+ if (pkt.ack.reason == RXRPC_ACK_PING_RESPONSE)
+ return;
+ }
+
chan = &conn->channels[channel];

/* If the last call got moved on whilst we were waiting to run, just
diff --git a/net/rxrpc/conn_service.c b/net/rxrpc/conn_service.c
index 6e6aa02c6f9e..249353417a18 100644
--- a/net/rxrpc/conn_service.c
+++ b/net/rxrpc/conn_service.c
@@ -31,7 +31,7 @@ struct rxrpc_connection *rxrpc_find_service_conn_rcu(struct rxrpc_peer *peer,
struct rxrpc_conn_proto k;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rb_node *p;
- unsigned int seq = 0;
+ unsigned int seq = 1;

k.epoch = sp->hdr.epoch;
k.cid = sp->hdr.cid & RXRPC_CIDMASK;
@@ -41,6 +41,7 @@ struct rxrpc_connection *rxrpc_find_service_conn_rcu(struct rxrpc_peer *peer,
* under just the RCU read lock, so we have to check for
* changes.
*/
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&peer->service_conn_lock, &seq);

p = rcu_dereference_raw(peer->service_conns.rb_node);
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index c952986a6aca..d6e3fc402a6f 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -164,7 +164,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
}
if (smc->conn.lgr && smc->conn.lgr->is_smcd &&
(req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
- !list_empty(&smc->conn.lgr->list)) {
+ !list_empty(&smc->conn.lgr->list) && smc->conn.rmb_desc) {
struct smc_connection *conn = &smc->conn;
struct smcd_diag_dmbinfo dinfo;

diff --git a/net/sunrpc/xprtmultipath.c b/net/sunrpc/xprtmultipath.c
index 1693f81aae37..e5c67506334e 100644
--- a/net/sunrpc/xprtmultipath.c
+++ b/net/sunrpc/xprtmultipath.c
@@ -288,8 +288,9 @@ struct rpc_xprt *xprt_iter_current_entry(struct rpc_xprt_iter *xpi)
return xprt_switch_find_current_entry(head, xpi->xpi_cursor);
}

-bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps,
- const struct sockaddr *sap)
+static
+bool __rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps,
+ const struct sockaddr *sap)
{
struct list_head *head;
struct rpc_xprt *pos;
@@ -308,6 +309,18 @@ bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps,
return false;
}

+bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps,
+ const struct sockaddr *sap)
+{
+ bool res;
+
+ rcu_read_lock();
+ res = __rpc_xprt_switch_has_addr(xps, sap);
+ rcu_read_unlock();
+
+ return res;
+}
+
static
struct rpc_xprt *xprt_switch_find_next_entry(struct list_head *head,
const struct rpc_xprt *cur)
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index dcbae29aa7e0..17e8e6e3670a 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -1088,6 +1088,12 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info)

#ifdef CONFIG_TIPC_MEDIA_UDP
if (attrs[TIPC_NLA_BEARER_UDP_OPTS]) {
+ if (b->media->type_id != TIPC_MEDIA_TYPE_UDP) {
+ rtnl_unlock();
+ NL_SET_ERR_MSG(info->extack, "UDP option is unsupported");
+ return -EINVAL;
+ }
+
err = tipc_udp_nl_bearer_add(b,
attrs[TIPC_NLA_BEARER_UDP_OPTS]);
if (err) {
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 16b04e553a6c..265dc665c92a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1192,13 +1192,11 @@ static void unix_state_double_lock(struct sock *sk1, struct sock *sk2)
unix_state_lock(sk1);
return;
}
- if (sk1 < sk2) {
- unix_state_lock(sk1);
- unix_state_lock_nested(sk2);
- } else {
- unix_state_lock(sk2);
- unix_state_lock_nested(sk1);
- }
+ if (sk1 > sk2)
+ swap(sk1, sk2);
+
+ unix_state_lock(sk1);
+ unix_state_lock_nested(sk2, U_LOCK_SECOND);
}

static void unix_state_double_unlock(struct sock *sk1, struct sock *sk2)
@@ -1426,7 +1424,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
goto out_unlock;
}

- unix_state_lock_nested(sk);
+ unix_state_lock_nested(sk, U_LOCK_SECOND);

if (sk->sk_state != st) {
unix_state_unlock(sk);
diff --git a/net/unix/diag.c b/net/unix/diag.c
index e534e327a6a5..daef19932f78 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -83,7 +83,7 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb)
* queue lock. With the other's queue locked it's
* OK to lock the state.
*/
- unix_state_lock_nested(req);
+ unix_state_lock_nested(req, U_LOCK_DIAG);
peer = unix_sk(req)->peer;
buf[i++] = (peer ? sock_i_ino(peer) : 0);
unix_state_unlock(req);
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index dc2763540393..9e1bab97c05b 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -314,6 +314,18 @@ void unix_gc(void)
/* Here we are. Hitlist is filled. Die. */
__skb_queue_purge(&hitlist);

+#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
+ while (!list_empty(&gc_candidates)) {
+ u = list_entry(gc_candidates.next, struct unix_sock, link);
+ if (u->oob_skb) {
+ struct sk_buff *skb = u->oob_skb;
+
+ u->oob_skb = NULL;
+ kfree_skb(skb);
+ }
+ }
+#endif
+
spin_lock(&unix_gc_lock);

/* There could be io_uring registered files, just push them back to
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 4decdc2c601f..2898df10a72a 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1808,8 +1808,12 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
list_add(&new->hidden_list,
&hidden->hidden_list);
hidden->refcount++;
+
+ ies = (void *)rcu_access_pointer(new->pub.beacon_ies);
rcu_assign_pointer(new->pub.beacon_ies,
hidden->pub.beacon_ies);
+ if (ies)
+ kfree_rcu(ies, rcu_head);
}
} else {
/*
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 5fbad61fe490..bfe5a4082d8e 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -8,6 +8,29 @@ usage() {
echo " $0 -r <release> | <vmlinux> [ |auto] [<modules path>]"
}

+# Try to find a Rust demangler
+if type llvm-cxxfilt >/dev/null 2>&1 ; then
+ cppfilt=llvm-cxxfilt
+elif type c++filt >/dev/null 2>&1 ; then
+ cppfilt=c++filt
+ cppfilt_opts=-i
+fi
+
+UTIL_SUFFIX=
+if [[ -z ${LLVM:-} ]]; then
+ UTIL_PREFIX=${CROSS_COMPILE:-}
+else
+ UTIL_PREFIX=llvm-
+ if [[ ${LLVM} == */ ]]; then
+ UTIL_PREFIX=${LLVM}${UTIL_PREFIX}
+ elif [[ ${LLVM} == -* ]]; then
+ UTIL_SUFFIX=${LLVM}
+ fi
+fi
+
+READELF=${UTIL_PREFIX}readelf${UTIL_SUFFIX}
+ADDR2LINE=${UTIL_PREFIX}addr2line${UTIL_SUFFIX}
+
if [[ $1 == "-r" ]] ; then
vmlinux=""
basepath="auto"
@@ -45,8 +68,13 @@ else
fi
fi

-declare -A cache
-declare -A modcache
+declare aarray_support=true
+declare -A cache 2>/dev/null
+if [[ $? != 0 ]]; then
+ aarray_support=false
+else
+ declare -A modcache
+fi

find_module() {
if [[ -n $debuginfod ]] ; then
@@ -62,7 +90,7 @@ find_module() {

if [[ "$modpath" != "" ]] ; then
for fn in $(find "$modpath" -name "${module//_/[-_]}.ko*") ; do
- if readelf -WS "$fn" | grep -qwF .debug_line ; then
+ if ${READELF} -WS "$fn" | grep -qwF .debug_line ; then
echo $fn
return
fi
@@ -97,7 +125,7 @@ parse_symbol() {

if [[ $module == "" ]] ; then
local objfile=$vmlinux
- elif [[ "${modcache[$module]+isset}" == "isset" ]]; then
+ elif [[ $aarray_support == true && "${modcache[$module]+isset}" == "isset" ]]; then
local objfile=${modcache[$module]}
else
local objfile=$(find_module)
@@ -105,7 +133,9 @@ parse_symbol() {
echo "WARNING! Modules path isn't set, but is needed to parse this symbol" >&2
return
fi
- modcache[$module]=$objfile
+ if [[ $aarray_support == true ]]; then
+ modcache[$module]=$objfile
+ fi
fi

# Remove the englobing parenthesis
@@ -125,7 +155,7 @@ parse_symbol() {
# Use 'nm vmlinux' to figure out the base address of said symbol.
# It's actually faster to call it every time than to load it
# all into bash.
- if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then
+ if [[ $aarray_support == true && "${cache[$module,$name]+isset}" == "isset" ]]; then
local base_addr=${cache[$module,$name]}
else
local base_addr=$(nm "$objfile" 2>/dev/null | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}')
@@ -133,7 +163,9 @@ parse_symbol() {
# address not found
return
fi
- cache[$module,$name]="$base_addr"
+ if [[ $aarray_support == true ]]; then
+ cache[$module,$name]="$base_addr"
+ fi
fi
# Let's start doing the math to get the exact address into the
# symbol. First, strip out the symbol total length.
@@ -149,11 +181,13 @@ parse_symbol() {

# Pass it to addr2line to get filename and line number
# Could get more than one result
- if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then
+ if [[ $aarray_support == true && "${cache[$module,$address]+isset}" == "isset" ]]; then
local code=${cache[$module,$address]}
else
- local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address" 2>/dev/null)
- cache[$module,$address]=$code
+ local code=$(${ADDR2LINE} -i -e "$objfile" "$address" 2>/dev/null)
+ if [[ $aarray_support == true ]]; then
+ cache[$module,$address]=$code
+ fi
fi

# addr2line doesn't return a proper error code if it fails, so
@@ -169,6 +203,12 @@ parse_symbol() {
# In the case of inlines, move everything to same line
code=${code//$'\n'/' '}

+ # Demangle if the name looks like a Rust symbol and if
+ # we got a Rust demangler
+ if [[ $name =~ ^_R && $cppfilt != "" ]] ; then
+ name=$("$cppfilt" "$cppfilt_opts" "$name")
+ fi
+
# Replace old address with pretty line numbers
symbol="$segment$name ($code)"
}
diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index d7aa82094296..65b5fde34caa 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -75,7 +75,7 @@ sub parse_abi {
$name =~ s,.*/,,;

my $fn = $file;
- $fn =~ s,Documentation/ABI/,,;
+ $fn =~ s,.*Documentation/ABI/,,;

my $nametag = "File $fn";
$data{$nametag}->{what} = "File $name";
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 57ef6accbb40..5a5a0cfad69d 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -236,8 +236,13 @@ gen_btf()
${OBJCOPY} --only-section=.BTF --set-section-flags .BTF=alloc,readonly \
--strip-all ${1} ${2} 2>/dev/null
# Change e_type to ET_REL so that it can be used to link final vmlinux.
- # Unlike GNU ld, lld does not allow an ET_EXEC input.
- printf '\1' | dd of=${2} conv=notrunc bs=1 seek=16 status=none
+ # GNU ld 2.35+ and lld do not allow an ET_EXEC input.
+ if [ -n "${CONFIG_CPU_BIG_ENDIAN}" ]; then
+ et_rel='\0\1'
+ else
+ et_rel='\1\0'
+ fi
+ printf "${et_rel}" | dd of=${2} conv=notrunc bs=1 seek=16 status=none
}

# Create ${2} .S file with all symbols from the ${1} object file
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 905c0ec291e1..e6962678032e 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -328,7 +328,12 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)

/* Sum all files in the same dir or subdirs. */
while ((line = get_line(&pos))) {
- char* p = line;
+ char* p;
+
+ /* trim the leading spaces away */
+ while (isspace(*line))
+ line++;
+ p = line;

if (strncmp(line, "source_", sizeof("source_")-1) == 0) {
p = strrchr(line, ' ');
diff --git a/security/security.c b/security/security.c
index a97079e12c67..33864d067f7e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1556,6 +1556,24 @@ int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
EXPORT_SYMBOL_GPL(security_file_ioctl);

+/**
+ * security_file_ioctl_compat() - Check if an ioctl is allowed in compat mode
+ * @file: associated file
+ * @cmd: ioctl cmd
+ * @arg: ioctl arguments
+ *
+ * Compat version of security_file_ioctl() that correctly handles 32-bit
+ * processes running on 64-bit kernels.
+ *
+ * Return: Returns 0 if permission is granted.
+ */
+int security_file_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ return call_int_hook(file_ioctl_compat, 0, file, cmd, arg);
+}
+EXPORT_SYMBOL_GPL(security_file_ioctl_compat);
+
static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
{
/*
@@ -2145,7 +2163,19 @@ EXPORT_SYMBOL(security_inode_setsecctx);

int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
- return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * Only one module will provide a security context.
+ */
+ hlist_for_each_entry(hp, &security_hook_heads.inode_getsecctx, list) {
+ rc = hp->hook.inode_getsecctx(inode, ctx, ctxlen);
+ if (rc != LSM_RET_DEFAULT(inode_getsecctx))
+ return rc;
+ }
+
+ return LSM_RET_DEFAULT(inode_getsecctx);
}
EXPORT_SYMBOL(security_inode_getsecctx);

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ec839716dbac..d9a680792b21 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3810,6 +3810,33 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd,
return error;
}

+static int selinux_file_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ /*
+ * If we are in a 64-bit kernel running 32-bit userspace, we need to
+ * make sure we don't compare 32-bit flags to 64-bit flags.
+ */
+ switch (cmd) {
+ case FS_IOC32_GETFLAGS:
+ cmd = FS_IOC_GETFLAGS;
+ break;
+ case FS_IOC32_SETFLAGS:
+ cmd = FS_IOC_SETFLAGS;
+ break;
+ case FS_IOC32_GETVERSION:
+ cmd = FS_IOC_GETVERSION;
+ break;
+ case FS_IOC32_SETVERSION:
+ cmd = FS_IOC_SETVERSION;
+ break;
+ default:
+ break;
+ }
+
+ return selinux_file_ioctl(file, cmd, arg);
+}
+
static int default_noexec __ro_after_init;

static int file_map_prot_check(struct file *file, unsigned long prot, int shared)
@@ -7208,6 +7235,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(file_permission, selinux_file_permission),
LSM_HOOK_INIT(file_alloc_security, selinux_file_alloc_security),
LSM_HOOK_INIT(file_ioctl, selinux_file_ioctl),
+ LSM_HOOK_INIT(file_ioctl_compat, selinux_file_ioctl_compat),
LSM_HOOK_INIT(mmap_file, selinux_mmap_file),
LSM_HOOK_INIT(mmap_addr, selinux_mmap_addr),
LSM_HOOK_INIT(file_mprotect, selinux_file_mprotect),
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 39f564f47fea..a5a78aef6403 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -4767,6 +4767,7 @@ static struct security_hook_list smack_hooks[] __lsm_ro_after_init = {

LSM_HOOK_INIT(file_alloc_security, smack_file_alloc_security),
LSM_HOOK_INIT(file_ioctl, smack_file_ioctl),
+ LSM_HOOK_INIT(file_ioctl_compat, smack_file_ioctl),
LSM_HOOK_INIT(file_lock, smack_file_lock),
LSM_HOOK_INIT(file_fcntl, smack_file_fcntl),
LSM_HOOK_INIT(mmap_file, smack_mmap_file),
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index b6a31901f289..1be96e2ce9f1 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -546,6 +546,7 @@ static struct security_hook_list tomoyo_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(path_rename, tomoyo_path_rename),
LSM_HOOK_INIT(inode_getattr, tomoyo_inode_getattr),
LSM_HOOK_INIT(file_ioctl, tomoyo_file_ioctl),
+ LSM_HOOK_INIT(file_ioctl_compat, tomoyo_file_ioctl),
LSM_HOOK_INIT(path_chmod, tomoyo_path_chmod),
LSM_HOOK_INIT(path_chown, tomoyo_path_chown),
LSM_HOOK_INIT(path_chroot, tomoyo_path_chroot),
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index ec95d0449bfe..c3342c9fee86 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -598,17 +598,15 @@ void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
struct hdac_stream *s;
bool inited = false;
u64 cycle_last = 0;
- int i = 0;

list_for_each_entry(s, &bus->stream_list, list) {
- if (streams & (1 << i)) {
+ if ((streams & (1 << s->index))) {
azx_timecounter_init(s, inited, cycle_last);
if (!inited) {
inited = true;
cycle_last = s->tc.cycle_last;
}
}
- i++;
}

snd_pcm_gettime(runtime, &runtime->trigger_tstamp);
@@ -653,14 +651,13 @@ void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start,
unsigned int streams)
{
struct hdac_bus *bus = azx_dev->bus;
- int i, nwait, timeout;
+ int nwait, timeout;
struct hdac_stream *s;

for (timeout = 5000; timeout; timeout--) {
nwait = 0;
- i = 0;
list_for_each_entry(s, &bus->stream_list, list) {
- if (!(streams & (1 << i++)))
+ if (!(streams & (1 << s->index)))
continue;

if (start) {
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c
index 774d80f4b101..e4cd6f0c686f 100644
--- a/sound/hda/intel-dsp-config.c
+++ b/sound/hda/intel-dsp-config.c
@@ -389,6 +389,16 @@ static const struct config_entry config_table[] = {
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
.device = 0x7e28,
},
+ /* ArrowLake-S */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = PCI_DEVICE_ID_INTEL_HDA_ARL_S,
+ },
+ /* ArrowLake */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = PCI_DEVICE_ID_INTEL_HDA_ARL,
+ },
#endif

/* Lunar Lake */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 65f7e3dc4602..dd4d802c9e71 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2516,6 +2516,8 @@ static const struct pci_device_id azx_ids[] = {
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
{ PCI_DEVICE(0x8086, 0x4b58),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
+ /* Arrow Lake */
+ { PCI_DEVICE_DATA(INTEL, HDA_ARL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
/* Broxton-P(Apollolake) */
{ PCI_DEVICE(0x8086, 0x5a98),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index deff4a3d7a78..876380ad2ed1 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -21,6 +21,12 @@
#include "hda_jack.h"
#include "hda_generic.h"

+enum {
+ CX_HEADSET_NOPRESENT = 0,
+ CX_HEADSET_PARTPRESENT,
+ CX_HEADSET_ALLPRESENT,
+};
+
struct conexant_spec {
struct hda_gen_spec gen;

@@ -42,7 +48,8 @@ struct conexant_spec {
unsigned int gpio_led;
unsigned int gpio_mute_led_mask;
unsigned int gpio_mic_led_mask;
-
+ unsigned int headset_present_flag;
+ bool is_cx8070_sn6140;
};

@@ -164,6 +171,27 @@ static void cxt_init_gpio_led(struct hda_codec *codec)
}
}

+static void cx_fixup_headset_recog(struct hda_codec *codec)
+{
+ unsigned int mic_persent;
+
+ /* fix some headset type recognize fail issue, such as EDIFIER headset */
+ /* set micbiasd output current comparator threshold from 66% to 55%. */
+ snd_hda_codec_write(codec, 0x1c, 0, 0x320, 0x010);
+ /* set OFF voltage for DFET from -1.2V to -0.8V, set headset micbias registor
+ * value adjustment trim from 2.2K ohms to 2.0K ohms.
+ */
+ snd_hda_codec_write(codec, 0x1c, 0, 0x3b0, 0xe10);
+ /* fix reboot headset type recognize fail issue */
+ mic_persent = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
+ if (mic_persent & AC_PINSENSE_PRESENCE)
+ /* enable headset mic VREF */
+ snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24);
+ else
+ /* disable headset mic VREF */
+ snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20);
+}
+
static int cx_auto_init(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;
@@ -174,6 +202,9 @@ static int cx_auto_init(struct hda_codec *codec)
cxt_init_gpio_led(codec);
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);

+ if (spec->is_cx8070_sn6140)
+ cx_fixup_headset_recog(codec);
+
return 0;
}

@@ -192,6 +223,77 @@ static void cx_auto_free(struct hda_codec *codec)
snd_hda_gen_free(codec);
}

+static void cx_process_headset_plugin(struct hda_codec *codec)
+{
+ unsigned int val;
+ unsigned int count = 0;
+
+ /* Wait headset detect done. */
+ do {
+ val = snd_hda_codec_read(codec, 0x1c, 0, 0xca0, 0x0);
+ if (val & 0x080) {
+ codec_dbg(codec, "headset type detect done!\n");
+ break;
+ }
+ msleep(20);
+ count++;
+ } while (count < 3);
+ val = snd_hda_codec_read(codec, 0x1c, 0, 0xcb0, 0x0);
+ if (val & 0x800) {
+ codec_dbg(codec, "headset plugin, type is CTIA\n");
+ snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24);
+ } else if (val & 0x400) {
+ codec_dbg(codec, "headset plugin, type is OMTP\n");
+ snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24);
+ } else {
+ codec_dbg(codec, "headphone plugin\n");
+ }
+}
+
+static void cx_update_headset_mic_vref(struct hda_codec *codec, unsigned int res)
+{
+ unsigned int phone_present, mic_persent, phone_tag, mic_tag;
+ struct conexant_spec *spec = codec->spec;
+
+ /* In cx8070 and sn6140, the node 16 can only be config to headphone or disabled,
+ * the node 19 can only be config to microphone or disabled.
+ * Check hp&mic tag to process headset pulgin&plugout.
+ */
+ phone_tag = snd_hda_codec_read(codec, 0x16, 0, AC_VERB_GET_UNSOLICITED_RESPONSE, 0x0);
+ mic_tag = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_UNSOLICITED_RESPONSE, 0x0);
+ if ((phone_tag & (res >> AC_UNSOL_RES_TAG_SHIFT)) ||
+ (mic_tag & (res >> AC_UNSOL_RES_TAG_SHIFT))) {
+ phone_present = snd_hda_codec_read(codec, 0x16, 0, AC_VERB_GET_PIN_SENSE, 0x0);
+ if (!(phone_present & AC_PINSENSE_PRESENCE)) {/* headphone plugout */
+ spec->headset_present_flag = CX_HEADSET_NOPRESENT;
+ snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x20);
+ return;
+ }
+ if (spec->headset_present_flag == CX_HEADSET_NOPRESENT) {
+ spec->headset_present_flag = CX_HEADSET_PARTPRESENT;
+ } else if (spec->headset_present_flag == CX_HEADSET_PARTPRESENT) {
+ mic_persent = snd_hda_codec_read(codec, 0x19, 0,
+ AC_VERB_GET_PIN_SENSE, 0x0);
+ /* headset is present */
+ if ((phone_present & AC_PINSENSE_PRESENCE) &&
+ (mic_persent & AC_PINSENSE_PRESENCE)) {
+ cx_process_headset_plugin(codec);
+ spec->headset_present_flag = CX_HEADSET_ALLPRESENT;
+ }
+ }
+ }
+}
+
+static void cx_jack_unsol_event(struct hda_codec *codec, unsigned int res)
+{
+ struct conexant_spec *spec = codec->spec;
+
+ if (spec->is_cx8070_sn6140)
+ cx_update_headset_mic_vref(codec, res);
+
+ snd_hda_jack_unsol_event(codec, res);
+}
+
#ifdef CONFIG_PM
static int cx_auto_suspend(struct hda_codec *codec)
{
@@ -205,7 +307,7 @@ static const struct hda_codec_ops cx_auto_patch_ops = {
.build_pcms = snd_hda_gen_build_pcms,
.init = cx_auto_init,
.free = cx_auto_free,
- .unsol_event = snd_hda_jack_unsol_event,
+ .unsol_event = cx_jack_unsol_event,
#ifdef CONFIG_PM
.suspend = cx_auto_suspend,
.check_power_status = snd_hda_gen_check_power_status,
@@ -242,6 +344,7 @@ enum {
CXT_FIXUP_HP_ZBOOK_MUTE_LED,
CXT_FIXUP_HEADSET_MIC,
CXT_FIXUP_HP_MIC_NO_PRESENCE,
+ CXT_PINCFG_SWS_JS201D,
};

/* for hda_fixup_thinkpad_acpi() */
@@ -739,6 +842,17 @@ static const struct hda_pintbl cxt_pincfg_lemote[] = {
{}
};

+/* SuoWoSi/South-holding JS201D with sn6140 */
+static const struct hda_pintbl cxt_pincfg_sws_js201d[] = {
+ { 0x16, 0x03211040 }, /* hp out */
+ { 0x17, 0x91170110 }, /* SPK/Class_D */
+ { 0x18, 0x95a70130 }, /* Internal mic */
+ { 0x19, 0x03a11020 }, /* Headset Mic */
+ { 0x1a, 0x40f001f0 }, /* Not used */
+ { 0x21, 0x40f001f0 }, /* Not used */
+ {}
+};
+
static const struct hda_fixup cxt_fixups[] = {
[CXT_PINCFG_LENOVO_X200] = {
.type = HDA_FIXUP_PINS,
@@ -894,6 +1008,10 @@ static const struct hda_fixup cxt_fixups[] = {
.chained = true,
.chain_id = CXT_FIXUP_HEADSET_MIC,
},
+ [CXT_PINCFG_SWS_JS201D] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = cxt_pincfg_sws_js201d,
+ },
};

static const struct snd_pci_quirk cxt5045_fixups[] = {
@@ -967,6 +1085,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
SND_PCI_QUIRK(0x103c, 0x8457, "HP Z2 G4 mini", CXT_FIXUP_HP_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x8458, "HP Z2 G4 mini premium", CXT_FIXUP_HP_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
+ SND_PCI_QUIRK(0x14f1, 0x0265, "SWS JS201D", CXT_PINCFG_SWS_JS201D),
SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410),
@@ -1007,6 +1126,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = {
{ .id = CXT_FIXUP_HP_ZBOOK_MUTE_LED, .name = "hp-zbook-mute-led" },
{ .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" },
{ .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" },
+ { .id = CXT_PINCFG_SWS_JS201D, .name = "sws-js201d" },
{}
};

@@ -1042,6 +1162,15 @@ static int patch_conexant_auto(struct hda_codec *codec)
codec->spec = spec;
codec->patch_ops = cx_auto_patch_ops;

+ /* init cx8070/sn6140 flag and reset headset_present_flag */
+ switch (codec->core.vendor_id) {
+ case 0x14f11f86:
+ case 0x14f11f87:
+ spec->is_cx8070_sn6140 = true;
+ spec->headset_present_flag = CX_HEADSET_NOPRESENT;
+ break;
+ }
+
cx_auto_parse_eapd(codec);
spec->gen.own_eapd_ctl = 1;

diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index aff2b5abb81e..abf4eef9afa0 100644
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -1200,6 +1200,7 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac
spec->scodecs[CS8409_CODEC1] = &dolphin_cs42l42_1;
spec->scodecs[CS8409_CODEC1]->codec = codec;
spec->num_scodecs = 2;
+ spec->gen.suppress_vmaster = 1;

codec->patch_ops = cs8409_dolphin_patch_ops;

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9a0824459d13..a6e6ed1355ab 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8905,6 +8905,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x1247, "Acer vCopperbox", ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS),
SND_PCI_QUIRK(0x1025, 0x1248, "Acer Veriton N4660G", ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1269, "Acer SWIFT SF314-54", ALC256_FIXUP_ACER_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1025, 0x126a, "Acer Swift SF114-32", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
@@ -9089,6 +9090,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8786, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x8787, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
+ SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87e7, "HP ProBook 450 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
@@ -9413,6 +9415,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1d72, 0x1945, "Redmi G", ALC256_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1947, "RedmiBook Air", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
SND_PCI_QUIRK(0x2782, 0x0232, "CHUWI CoreBook XPro", ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO),
+ SND_PCI_QUIRK(0x2782, 0x1707, "Vaio VJFE-ADL", ALC298_FIXUP_SPK_VOLUME),
SND_PCI_QUIRK(0x8086, 0x2074, "Intel NUC 8", ALC233_FIXUP_INTEL_NUC8_DMIC),
SND_PCI_QUIRK(0x8086, 0x2080, "Intel NUC 8 Rugged", ALC256_FIXUP_INTEL_NUC8_RUGGED),
SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", ALC256_FIXUP_INTEL_NUC10),
diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c
index 8973f439123f..5dbe5de81dc3 100644
--- a/sound/soc/codecs/lpass-wsa-macro.c
+++ b/sound/soc/codecs/lpass-wsa-macro.c
@@ -1577,7 +1577,6 @@ static int wsa_macro_enable_interpolator(struct snd_soc_dapm_widget *w,
u16 gain_reg;
u16 reg;
int val;
- int offset_val = 0;
struct wsa_macro *wsa = snd_soc_component_get_drvdata(component);

if (w->shift == WSA_MACRO_COMP1) {
@@ -1616,10 +1615,8 @@ static int wsa_macro_enable_interpolator(struct snd_soc_dapm_widget *w,
CDC_WSA_RX1_RX_PATH_MIX_SEC0,
CDC_WSA_RX_PGA_HALF_DB_MASK,
CDC_WSA_RX_PGA_HALF_DB_ENABLE);
- offset_val = -2;
}
val = snd_soc_component_read(component, gain_reg);
- val += offset_val;
snd_soc_component_write(component, gain_reg, val);
wsa_macro_config_ear_spkr_gain(component, wsa,
event, gain_reg);
@@ -1647,10 +1644,6 @@ static int wsa_macro_enable_interpolator(struct snd_soc_dapm_widget *w,
CDC_WSA_RX1_RX_PATH_MIX_SEC0,
CDC_WSA_RX_PGA_HALF_DB_MASK,
CDC_WSA_RX_PGA_HALF_DB_DISABLE);
- offset_val = 2;
- val = snd_soc_component_read(component, gain_reg);
- val += offset_val;
- snd_soc_component_write(component, gain_reg, val);
}
wsa_macro_config_ear_spkr_gain(component, wsa,
event, gain_reg);
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 2fdfec505192..f903bee194d5 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3288,6 +3288,7 @@ static void rt5645_jack_detect_work(struct work_struct *work)
report, SND_JACK_HEADPHONE);
snd_soc_jack_report(rt5645->mic_jack,
report, SND_JACK_MICROPHONE);
+ mutex_unlock(&rt5645->jd_mutex);
return;
case 4:
val = snd_soc_component_read(rt5645->component, RT5645_A_JD_CTRL1) & 0x0020;
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 529aa480267b..94038eed2423 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -4573,7 +4573,7 @@ static int wcd938x_probe(struct platform_device *pdev)
ret = wcd938x_populate_dt_data(wcd938x, dev);
if (ret) {
dev_err(dev, "%s: Fail to obtain platform data\n", __func__);
- return -EINVAL;
+ return ret;
}

ret = wcd938x_add_slave_components(wcd938x, dev, &match);
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 9cdf0e05cf49..03b6a07a2ea0 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1759,6 +1759,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
+ DEVICE_FLG(0x0499, 0x3108, /* Yamaha YIT-W12TX */
+ QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x04d8, 0xfeea, /* Benchmark DAC1 Pre */
QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x04e8, 0xa051, /* Samsung USBC Headset (AKG) */
@@ -1796,6 +1798,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
DEVICE_FLG(0x0763, 0x2031, /* M-Audio Fast Track C600 */
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
+ DEVICE_FLG(0x07fd, 0x000b, /* MOTU M Series 2nd hardware revision */
+ QUIRK_FLAG_CTL_MSG_DELAY_1M),
DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
QUIRK_FLAG_IGNORE_CTL_ERROR),
DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */
diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c
index eb6303ff446e..4cfcef9da3e4 100644
--- a/tools/build/feature/test-libopencsd.c
+++ b/tools/build/feature/test-libopencsd.c
@@ -4,9 +4,9 @@
/*
* Check OpenCSD library version is sufficient to provide required features
*/
-#define OCSD_MIN_VER ((1 << 16) | (1 << 8) | (1))
+#define OCSD_MIN_VER ((1 << 16) | (2 << 8) | (1))
#if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER)
-#error "OpenCSD >= 1.1.1 is required"
+#error "OpenCSD >= 1.2.1 is required"
#endif

int main(void)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index f87a15bbf53b..0c201f07d8ae 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3803,6 +3803,8 @@ bpf_object__collect_prog_relos(struct bpf_object *obj, GElf_Shdr *shdr, Elf_Data

scn = elf_sec_by_idx(obj, sec_idx);
scn_data = elf_sec_data(obj, scn);
+ if (!scn_data)
+ return -LIBBPF_ERRNO__FORMAT;

relo_sec_name = elf_sec_str(obj, shdr->sh_name);
sec_name = elf_sec_name(obj, scn);
diff --git a/tools/lib/subcmd/help.c b/tools/lib/subcmd/help.c
index bf02d62a3b2b..42f57b640f11 100644
--- a/tools/lib/subcmd/help.c
+++ b/tools/lib/subcmd/help.c
@@ -50,11 +50,21 @@ void uniq(struct cmdnames *cmds)
if (!cmds->cnt)
return;

- for (i = j = 1; i < cmds->cnt; i++)
- if (strcmp(cmds->names[i]->name, cmds->names[i-1]->name))
- cmds->names[j++] = cmds->names[i];
-
+ for (i = 1; i < cmds->cnt; i++) {
+ if (!strcmp(cmds->names[i]->name, cmds->names[i-1]->name))
+ zfree(&cmds->names[i - 1]);
+ }
+ for (i = 0, j = 0; i < cmds->cnt; i++) {
+ if (cmds->names[i]) {
+ if (i == j)
+ j++;
+ else
+ cmds->names[j++] = cmds->names[i];
+ }
+ }
cmds->cnt = j;
+ while (j < i)
+ cmds->names[j++] = NULL;
}

void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index f3daa44a8266..f63c7ee3d798 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -348,10 +348,20 @@ int setup_classid_environment(void)
return 1;
}

- if (mount("net_cls", NETCLS_MOUNT_PATH, "cgroup", 0, "net_cls") &&
- errno != EBUSY) {
- log_err("mount cgroup net_cls");
- return 1;
+ if (mount("net_cls", NETCLS_MOUNT_PATH, "cgroup", 0, "net_cls")) {
+ if (errno != EBUSY) {
+ log_err("mount cgroup net_cls");
+ return 1;
+ }
+
+ if (rmdir(NETCLS_MOUNT_PATH)) {
+ log_err("rmdir cgroup net_cls");
+ return 1;
+ }
+ if (umount(CGROUP_MOUNT_DFLT)) {
+ log_err("umount cgroup base");
+ return 1;
+ }
}

cleanup_classid_environment();
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
index 2a04dbec510d..92080f64b5cc 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -4766,6 +4766,7 @@ static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
#endif

assert(0);
+ return 0;
}

static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
index 28e30ad4a30e..2e3e525e8579 100644
--- a/tools/testing/selftests/bpf/prog_tests/tailcalls.c
+++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
@@ -810,59 +810,6 @@ static void test_tailcall_bpf2bpf_4(bool noise)
bpf_object__close(obj);
}

-#include "tailcall_bpf2bpf6.skel.h"
-
-/* Tail call counting works even when there is data on stack which is
- * not aligned to 8 bytes.
- */
-static void test_tailcall_bpf2bpf_6(void)
-{
- struct tailcall_bpf2bpf6 *obj;
- int err, map_fd, prog_fd, main_fd, data_fd, i, val;
- LIBBPF_OPTS(bpf_test_run_opts, topts,
- .data_in = &pkt_v4,
- .data_size_in = sizeof(pkt_v4),
- .repeat = 1,
- );
-
- obj = tailcall_bpf2bpf6__open_and_load();
- if (!ASSERT_OK_PTR(obj, "open and load"))
- return;
-
- main_fd = bpf_program__fd(obj->progs.entry);
- if (!ASSERT_GE(main_fd, 0, "entry prog fd"))
- goto out;
-
- map_fd = bpf_map__fd(obj->maps.jmp_table);
- if (!ASSERT_GE(map_fd, 0, "jmp_table map fd"))
- goto out;
-
- prog_fd = bpf_program__fd(obj->progs.classifier_0);
- if (!ASSERT_GE(prog_fd, 0, "classifier_0 prog fd"))
- goto out;
-
- i = 0;
- err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
- if (!ASSERT_OK(err, "jmp_table map update"))
- goto out;
-
- err = bpf_prog_test_run_opts(main_fd, &topts);
- ASSERT_OK(err, "entry prog test run");
- ASSERT_EQ(topts.retval, 0, "tailcall retval");
-
- data_fd = bpf_map__fd(obj->maps.bss);
- if (!ASSERT_GE(data_fd, 0, "bss map fd"))
- goto out;
-
- i = 0;
- err = bpf_map_lookup_elem(data_fd, &i, &val);
- ASSERT_OK(err, "bss map lookup");
- ASSERT_EQ(val, 1, "done flag is set");
-
-out:
- tailcall_bpf2bpf6__destroy(obj);
-}
-
void test_tailcalls(void)
{
if (test__start_subtest("tailcall_1"))
@@ -885,6 +832,4 @@ void test_tailcalls(void)
test_tailcall_bpf2bpf_4(false);
if (test__start_subtest("tailcall_bpf2bpf_5"))
test_tailcall_bpf2bpf_4(true);
- if (test__start_subtest("tailcall_bpf2bpf_6"))
- test_tailcall_bpf2bpf_6();
}
diff --git a/tools/testing/selftests/bpf/progs/pyperf180.c b/tools/testing/selftests/bpf/progs/pyperf180.c
index c39f559d3100..42c4a8b62e36 100644
--- a/tools/testing/selftests/bpf/progs/pyperf180.c
+++ b/tools/testing/selftests/bpf/progs/pyperf180.c
@@ -1,4 +1,26 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#define STACK_MAX_LEN 180
+
+/* llvm upstream commit at clang18
+ * https://github.com/llvm/llvm-project/commit/1a2e77cf9e11dbf56b5720c607313a566eebb16e
+ * changed inlining behavior and caused compilation failure as some branch
+ * target distance exceeded 16bit representation which is the maximum for
+ * cpu v1/v2/v3. Macro __BPF_CPU_VERSION__ is later implemented in clang18
+ * to specify which cpu version is used for compilation. So a smaller
+ * unroll_count can be set if __BPF_CPU_VERSION__ is less than 4, which
+ * reduced some branch target distances and resolved the compilation failure.
+ *
+ * To capture the case where a developer/ci uses clang18 but the corresponding
+ * repo checkpoint does not have __BPF_CPU_VERSION__, a smaller unroll_count
+ * will be set as well to prevent potential compilation failures.
+ */
+#ifdef __BPF_CPU_VERSION__
+#if __BPF_CPU_VERSION__ < 4
+#define UNROLL_COUNT 90
+#endif
+#elif __clang_major__ == 18
+#define UNROLL_COUNT 90
+#endif
+
#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
deleted file mode 100644
index 41ce83da78e8..000000000000
--- a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-
-#define __unused __attribute__((unused))
-
-struct {
- __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
- __uint(max_entries, 1);
- __uint(key_size, sizeof(__u32));
- __uint(value_size, sizeof(__u32));
-} jmp_table SEC(".maps");
-
-int done = 0;
-
-SEC("tc")
-int classifier_0(struct __sk_buff *skb __unused)
-{
- done = 1;
- return 0;
-}
-
-static __noinline
-int subprog_tail(struct __sk_buff *skb)
-{
- /* Don't propagate the constant to the caller */
- volatile int ret = 1;
-
- bpf_tail_call_static(skb, &jmp_table, 0);
- return ret;
-}
-
-SEC("tc")
-int entry(struct __sk_buff *skb)
-{
- /* Have data on stack which size is not a multiple of 8 */
- volatile char arr[1] = {};
-
- return subprog_tail(skb);
-}
-
-char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh b/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh
index 1b08e042cf94..185b02d2d4cd 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh
@@ -269,6 +269,7 @@ for port in 0 1; do
echo 1 > $NSIM_DEV_SYS/new_port
fi
NSIM_NETDEV=`get_netdev_name old_netdevs`
+ ifconfig $NSIM_NETDEV up

msg="new NIC device created"
exp0=( 0 0 0 0 )
@@ -430,6 +431,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

overflow_table0 "overflow NIC table"
@@ -487,6 +489,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

overflow_table0 "overflow NIC table"
@@ -543,6 +546,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

overflow_table0 "destroy NIC"
@@ -572,6 +576,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

msg="create VxLANs v6"
@@ -632,6 +637,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error
@@ -687,6 +693,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

msg="create VxLANs v6"
@@ -746,6 +753,7 @@ for port in 0 1; do
fi

echo $port > $NSIM_DEV_SYS/new_port
+ NSIM_NETDEV=`get_netdev_name old_netdevs`
ifconfig $NSIM_NETDEV up

msg="create VxLANs v6"
@@ -876,6 +884,7 @@ msg="re-add a port"

echo 2 > $NSIM_DEV_SYS/del_port
echo 2 > $NSIM_DEV_SYS/new_port
+NSIM_NETDEV=`get_netdev_name old_netdevs`
check_tables

msg="replace VxLAN in overflow table"
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 0a9d482c5058..31e3d0db7a12 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -698,23 +698,23 @@ setup_xfrm6() {
}

setup_xfrm4udp() {
- setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 4 4500
+ setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 4 4500
}

setup_xfrm6udp() {
- setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 6 4500
+ setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 6 4500
}

setup_xfrm4udprouted() {
- setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 4 4500
+ setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 4 4500
}

setup_xfrm6udprouted() {
- setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0"
- setup_nettest_xfrm 6 4500
+ setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0" && \
+ setup_nettest_xfrm 6 4500
}

setup_routing_old() {
@@ -1795,6 +1795,13 @@ check_command() {
return 0
}

+check_running() {
+ pid=${1}
+ cmd=${2}
+
+ [ "$(cat /proc/${pid}/cmdline 2>/dev/null | tr -d '\0')" = "{cmd}" ]
+}
+
test_cleanup_vxlanX_exception() {
outer="${1}"
encap="vxlan"
@@ -1825,11 +1832,12 @@ test_cleanup_vxlanX_exception() {

${ns_a} ip link del dev veth_A-R1 &
iplink_pid=$!
- sleep 1
- if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then
- err " can't delete veth device in a timely manner, PMTU dst likely leaked"
- return 1
- fi
+ for i in $(seq 1 20); do
+ check_running ${iplink_pid} "iplinkdeldevveth_A-R1" || return 0
+ sleep 0.1
+ done
+ err " can't delete veth device in a timely manner, PMTU dst likely leaked"
+ return 1
}

test_cleanup_ipv6_exception() {
diff --git a/tools/testing/selftests/net/setup_veth.sh b/tools/testing/selftests/net/setup_veth.sh
index 1003ddf7b3b2..227fd1076f21 100644
--- a/tools/testing/selftests/net/setup_veth.sh
+++ b/tools/testing/selftests/net/setup_veth.sh
@@ -8,7 +8,7 @@ setup_veth_ns() {
local -r ns_mac="$4"

[[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
- echo 100000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
+ echo 1000000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535
ip -netns "${ns_name}" link set dev "${ns_dev}" up

diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh
index 1bcd82e1f662..fa5aa588e53f 100755
--- a/tools/testing/selftests/net/udpgro_fwd.sh
+++ b/tools/testing/selftests/net/udpgro_fwd.sh
@@ -36,6 +36,10 @@ create_ns() {
for ns in $NS_SRC $NS_DST; do
ip netns add $ns
ip -n $ns link set dev lo up
+
+ # disable route solicitations to decrease 'noise' traffic
+ ip netns exec $ns sysctl -qw net.ipv6.conf.default.router_solicitations=0
+ ip netns exec $ns sysctl -qw net.ipv6.conf.all.router_solicitations=0
done

ip link add name veth$SRC type veth peer name veth$DST
@@ -77,6 +81,12 @@ create_vxlan_pair() {
create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V6$((3 - $ns)) vxlan6$ns 6
ip -n $BASE$ns addr add dev vxlan6$ns $OL_NET_V6$ns/24 nodad
done
+
+ # preload neighbur cache, do avoid some noisy traffic
+ local addr_dst=$(ip -j -n $BASE$DST link show dev vxlan6$DST |jq -r '.[]["address"]')
+ local addr_src=$(ip -j -n $BASE$SRC link show dev vxlan6$SRC |jq -r '.[]["address"]')
+ ip -n $BASE$DST neigh add dev vxlan6$DST lladdr $addr_src $OL_NET_V6$SRC
+ ip -n $BASE$SRC neigh add dev vxlan6$SRC lladdr $addr_dst $OL_NET_V6$DST
}

is_ipv6() {
@@ -116,7 +126,7 @@ run_test() {
# not enable GRO
ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 4789
ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 8000
- ip netns exec $NS_DST ./udpgso_bench_rx -C 1000 -R 10 -n 10 -l 1300 $rx_args &
+ ip netns exec $NS_DST ./udpgso_bench_rx -C 2000 -R 100 -n 10 -l 1300 $rx_args &
local spid=$!
sleep 0.1
ip netns exec $NS_SRC ./udpgso_bench_tx $family -M 1 -s 13000 -S 1300 -D $dst
@@ -165,7 +175,7 @@ run_bench() {
# bind the sender and the receiver to different CPUs to try
# get reproducible results
ip netns exec $NS_DST bash -c "echo 2 > /sys/class/net/veth$DST/queues/rx-0/rps_cpus"
- ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 1000 -R 10 &
+ ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 2000 -R 100 &
local spid=$!
sleep 0.1
ip netns exec $NS_SRC taskset 0x1 ./udpgso_bench_tx $family -l 3 -S 1300 -D $dst
diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c
index f35a924d4a30..1cbadd267c96 100644
--- a/tools/testing/selftests/net/udpgso_bench_rx.c
+++ b/tools/testing/selftests/net/udpgso_bench_rx.c
@@ -375,7 +375,7 @@ static void do_recv(void)
do_flush_udp(fd);

tnow = gettimeofday_ms();
- if (tnow > treport) {
+ if (!cfg_expected_pkt_nr && tnow > treport) {
if (packets)
fprintf(stderr,
"%s rx: %6lu MB/s %8lu calls/s\n",
diff --git a/tools/testing/selftests/sgx/test_encl.lds b/tools/testing/selftests/sgx/test_encl.lds
index a1ec64f7d91f..108bc11d1d8c 100644
--- a/tools/testing/selftests/sgx/test_encl.lds
+++ b/tools/testing/selftests/sgx/test_encl.lds
@@ -34,8 +34,4 @@ SECTIONS
}
}

-ASSERT(!DEFINED(.altinstructions), "ALTERNATIVES are not supported in enclaves")
-ASSERT(!DEFINED(.altinstr_replacement), "ALTERNATIVES are not supported in enclaves")
-ASSERT(!DEFINED(.discard.retpoline_safe), "RETPOLINE ALTERNATIVES are not supported in enclaves")
-ASSERT(!DEFINED(.discard.nospec), "RETPOLINE ALTERNATIVES are not supported in enclaves")
-ASSERT(!DEFINED(.got.plt), "Libcalls are not supported in enclaves")
+ASSERT(!DEFINED(_GLOBAL_OFFSET_TABLE_), "Libcalls through GOT are not supported in enclaves")