From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, jslaby@suse.cz,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Linux 5.10.58
Date: Thu, 12 Aug 2021 14:19:05 +0200 [thread overview]
Message-ID: <1628770744177103@kroah.com> (raw)
In-Reply-To: <1628770744124130@kroah.com>
diff --git a/Makefile b/Makefile
index e9621a90e752..232dee1140c1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 57
+SUBLEVEL = 58
EXTRAVERSION =
NAME = Dare mighty things
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 4b2575f936d4..cb64e4797d2a 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -582,7 +582,7 @@ void
smp_send_stop(void)
{
cpumask_t to_whom;
- cpumask_copy(&to_whom, cpu_possible_mask);
+ cpumask_copy(&to_whom, cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), &to_whom);
#ifdef DEBUG_IPI_MSG
if (hard_smp_processor_id() != boot_cpu_id)
diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi
index 370c4e64676f..86bf668f3848 100644
--- a/arch/arm/boot/dts/am437x-l4.dtsi
+++ b/arch/arm/boot/dts/am437x-l4.dtsi
@@ -1576,7 +1576,7 @@ dcan1: can@0 {
compatible = "ti,am4372-d_can", "ti,am3352-d_can";
reg = <0x0 0x2000>;
clocks = <&dcan1_fck>;
- clock-name = "fck";
+ clock-names = "fck";
syscon-raminit = <&scm_conf 0x644 1>;
interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
diff --git a/arch/arm/boot/dts/imx53-m53menlo.dts b/arch/arm/boot/dts/imx53-m53menlo.dts
index f98691ae4415..d3082b9774e4 100644
--- a/arch/arm/boot/dts/imx53-m53menlo.dts
+++ b/arch/arm/boot/dts/imx53-m53menlo.dts
@@ -388,13 +388,13 @@ MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3 0x80000000
pinctrl_power_button: powerbutgrp {
fsl,pins = <
- MX53_PAD_SD2_DATA2__GPIO1_13 0x1e4
+ MX53_PAD_SD2_DATA0__GPIO1_15 0x1e4
>;
};
pinctrl_power_out: poweroutgrp {
fsl,pins = <
- MX53_PAD_SD2_DATA0__GPIO1_15 0x1e4
+ MX53_PAD_SD2_DATA2__GPIO1_13 0x1e4
>;
};
diff --git a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi
index 7e4e5fd0143a..c56337b63c3b 100644
--- a/arch/arm/boot/dts/imx6qdl-sr-som.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sr-som.dtsi
@@ -54,7 +54,13 @@ &fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_microsom_enet_ar8035>;
phy-mode = "rgmii-id";
- phy-reset-duration = <2>;
+
+ /*
+ * The PHY seems to require a long-enough reset duration to avoid
+ * some rare issues where the PHY gets stuck in an inconsistent and
+ * non-functional state at boot-up. 10ms proved to be fine .
+ */
+ phy-reset-duration = <10>;
phy-reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
index a0545431b3dc..9f1e38282bee 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
@@ -43,6 +43,7 @@ &usdhc2 {
assigned-clock-rates = <0>, <198000000>;
cap-power-off-card;
keep-power-in-suspend;
+ max-frequency = <25000000>;
mmc-pwrseq = <&wifi_pwrseq>;
no-1-8-v;
non-removable;
diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
index d8f13626cfd1..3a8f10231475 100644
--- a/arch/arm/boot/dts/omap5-board-common.dtsi
+++ b/arch/arm/boot/dts/omap5-board-common.dtsi
@@ -30,14 +30,6 @@ vsys_cobra: fixedregulator-vsys_cobra {
regulator-max-microvolt = <5000000>;
};
- vdds_1v8_main: fixedregulator-vdds_1v8_main {
- compatible = "regulator-fixed";
- regulator-name = "vdds_1v8_main";
- vin-supply = <&smps7_reg>;
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- };
-
vmmcsd_fixed: fixedregulator-mmcsd {
compatible = "regulator-fixed";
regulator-name = "vmmcsd_fixed";
@@ -487,6 +479,7 @@ smps6_reg: smps6 {
regulator-boot-on;
};
+ vdds_1v8_main:
smps7_reg: smps7 {
/* VDDS_1v8_OMAP over VDDS_1v8_MAIN */
regulator-name = "smps7";
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
index 59b3239bcd76..633079245601 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
@@ -37,7 +37,7 @@ gpio-keys-polled {
poll-interval = <20>;
/*
- * The EXTi IRQ line 3 is shared with touchscreen and ethernet,
+ * The EXTi IRQ line 3 is shared with ethernet,
* so mark this as polled GPIO key.
*/
button-0 {
@@ -46,6 +46,16 @@ button-0 {
gpios = <&gpiof 3 GPIO_ACTIVE_LOW>;
};
+ /*
+ * The EXTi IRQ line 6 is shared with touchscreen,
+ * so mark this as polled GPIO key.
+ */
+ button-1 {
+ label = "TA2-GPIO-B";
+ linux,code = <KEY_B>;
+ gpios = <&gpiod 6 GPIO_ACTIVE_LOW>;
+ };
+
/*
* The EXTi IRQ line 0 is shared with PMIC,
* so mark this as polled GPIO key.
@@ -60,13 +70,6 @@ button-2 {
gpio-keys {
compatible = "gpio-keys";
- button-1 {
- label = "TA2-GPIO-B";
- linux,code = <KEY_B>;
- gpios = <&gpiod 6 GPIO_ACTIVE_LOW>;
- wakeup-source;
- };
-
button-3 {
label = "TA4-GPIO-D";
linux,code = <KEY_D>;
@@ -82,6 +85,7 @@ led-0 {
label = "green:led5";
gpios = <&gpioc 6 GPIO_ACTIVE_HIGH>;
default-state = "off";
+ status = "disabled";
};
led-1 {
@@ -185,8 +189,8 @@ sgtl5000_rx_endpoint: endpoint@1 {
touchscreen@38 {
compatible = "edt,edt-ft5406";
reg = <0x38>;
- interrupt-parent = <&gpiog>;
- interrupts = <2 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
+ interrupt-parent = <&gpioc>;
+ interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
};
};
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index 8221bf69fefe..000af7177701 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -133,6 +133,7 @@ phy0: ethernet-phy@1 {
reset-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
reset-assert-us = <500>;
reset-deassert-us = <500>;
+ smsc,disable-energy-detect;
interrupt-parent = <&gpioi>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
};
diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 0dfd0ae7a63d..af12668d0bf5 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -103,6 +103,7 @@ struct mmdc_pmu {
struct perf_event *mmdc_events[MMDC_NUM_COUNTERS];
struct hlist_node node;
struct fsl_mmdc_devtype_data *devtype_data;
+ struct clk *mmdc_ipg_clk;
};
/*
@@ -462,11 +463,14 @@ static int imx_mmdc_remove(struct platform_device *pdev)
cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node);
perf_pmu_unregister(&pmu_mmdc->pmu);
+ iounmap(pmu_mmdc->mmdc_base);
+ clk_disable_unprepare(pmu_mmdc->mmdc_ipg_clk);
kfree(pmu_mmdc);
return 0;
}
-static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_base)
+static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_base,
+ struct clk *mmdc_ipg_clk)
{
struct mmdc_pmu *pmu_mmdc;
char *name;
@@ -494,6 +498,7 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
}
mmdc_num = mmdc_pmu_init(pmu_mmdc, mmdc_base, &pdev->dev);
+ pmu_mmdc->mmdc_ipg_clk = mmdc_ipg_clk;
if (mmdc_num == 0)
name = "mmdc";
else
@@ -529,7 +534,7 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
#else
#define imx_mmdc_remove NULL
-#define imx_mmdc_perf_init(pdev, mmdc_base) 0
+#define imx_mmdc_perf_init(pdev, mmdc_base, mmdc_ipg_clk) 0
#endif
static int imx_mmdc_probe(struct platform_device *pdev)
@@ -567,7 +572,13 @@ static int imx_mmdc_probe(struct platform_device *pdev)
val &= ~(1 << BP_MMDC_MAPSR_PSD);
writel_relaxed(val, reg);
- return imx_mmdc_perf_init(pdev, mmdc_base);
+ err = imx_mmdc_perf_init(pdev, mmdc_base, mmdc_ipg_clk);
+ if (err) {
+ iounmap(mmdc_base);
+ clk_disable_unprepare(mmdc_ipg_clk);
+ }
+
+ return err;
}
int imx_mmdc_get_ddr_type(void)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 15b29a179c8a..83d595ebcf1f 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -3777,6 +3777,7 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
struct omap_hwmod_ocp_if *oi;
struct clockdomain *clkdm;
struct clk_hw_omap *clk;
+ struct clk_hw *hw;
if (!oh)
return NULL;
@@ -3793,7 +3794,14 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
c = oi->_clk;
}
- clk = to_clk_hw_omap(__clk_get_hw(c));
+ hw = __clk_get_hw(c);
+ if (!hw)
+ return NULL;
+
+ clk = to_clk_hw_omap(hw);
+ if (!clk)
+ return NULL;
+
clkdm = clk->clkdm;
if (!clkdm)
return NULL;
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
index dd764b720fb0..f6a79c8080d1 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
@@ -54,6 +54,7 @@ &mscc_felix {
&mscc_felix_port0 {
label = "swp0";
+ managed = "in-band-status";
phy-handle = <&phy0>;
phy-mode = "sgmii";
status = "okay";
@@ -61,6 +62,7 @@ &mscc_felix_port0 {
&mscc_felix_port1 {
label = "swp1";
+ managed = "in-band-status";
phy-handle = <&phy1>;
phy-mode = "sgmii";
status = "okay";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index f3b58bb9b840..5f42904d53ab 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -69,7 +69,7 @@ CPU_PW20: cpu-pw20 {
};
};
- sysclk: clock-sysclk {
+ sysclk: sysclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <100000000>;
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
index 389aebdb35f1..bbd34ae12a53 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
@@ -19,6 +19,8 @@ / {
aliases {
spi0 = &spi0;
ethernet1 = ð1;
+ mmc0 = &sdhci0;
+ mmc1 = &sdhci1;
};
chosen {
@@ -118,6 +120,7 @@ &i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <100000>;
+ /delete-property/ mrvl,i2c-fast-mode;
status = "okay";
rtc@6f {
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 9f0ec21d6327..88d20f04c64a 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -165,25 +165,6 @@ static inline void arch_timer_set_cntkctl(u32 cntkctl)
isb();
}
-/*
- * Ensure that reads of the counter are treated the same as memory reads
- * for the purposes of ordering by subsequent memory barriers.
- *
- * This insanity brought to you by speculative system register reads,
- * out-of-order memory accesses, sequence locks and Thomas Gleixner.
- *
- * http://lists.infradead.org/pipermail/linux-arm-kernel/2019-February/631195.html
- */
-#define arch_counter_enforce_ordering(val) do { \
- u64 tmp, _val = (val); \
- \
- asm volatile( \
- " eor %0, %1, %1\n" \
- " add %0, sp, %0\n" \
- " ldr xzr, [%0]" \
- : "=r" (tmp) : "r" (_val)); \
-} while (0)
-
static __always_inline u64 __arch_counter_get_cntpct_stable(void)
{
u64 cnt;
@@ -224,8 +205,6 @@ static __always_inline u64 __arch_counter_get_cntvct(void)
return cnt;
}
-#undef arch_counter_enforce_ordering
-
static inline int arch_timer_arch_init(void)
{
return 0;
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index c3009b0e5239..37d891af8ea5 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -70,6 +70,25 @@ static inline unsigned long array_index_mask_nospec(unsigned long idx,
return mask;
}
+/*
+ * Ensure that reads of the counter are treated the same as memory reads
+ * for the purposes of ordering by subsequent memory barriers.
+ *
+ * This insanity brought to you by speculative system register reads,
+ * out-of-order memory accesses, sequence locks and Thomas Gleixner.
+ *
+ * http://lists.infradead.org/pipermail/linux-arm-kernel/2019-February/631195.html
+ */
+#define arch_counter_enforce_ordering(val) do { \
+ u64 tmp, _val = (val); \
+ \
+ asm volatile( \
+ " eor %0, %1, %1\n" \
+ " add %0, sp, %0\n" \
+ " ldr xzr, [%0]" \
+ : "=r" (tmp) : "r" (_val)); \
+} while (0)
+
#define __smp_mb() dmb(ish)
#define __smp_rmb() dmb(ishld)
#define __smp_wmb() dmb(ishst)
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 28c85b87b8cd..d3106f5e121f 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -316,7 +316,17 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
static inline unsigned long regs_return_value(struct pt_regs *regs)
{
- return regs->regs[0];
+ unsigned long val = regs->regs[0];
+
+ /*
+ * Audit currently uses regs_return_value() instead of
+ * syscall_get_return_value(). Apply the same sign-extension here until
+ * audit is updated to use syscall_get_return_value().
+ */
+ if (compat_user_mode(regs))
+ val = sign_extend64(val, 31);
+
+ return val;
}
static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h
index cfc0672013f6..03e20895453a 100644
--- a/arch/arm64/include/asm/syscall.h
+++ b/arch/arm64/include/asm/syscall.h
@@ -29,22 +29,23 @@ static inline void syscall_rollback(struct task_struct *task,
regs->regs[0] = regs->orig_x0;
}
-
-static inline long syscall_get_error(struct task_struct *task,
- struct pt_regs *regs)
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
{
- unsigned long error = regs->regs[0];
+ unsigned long val = regs->regs[0];
if (is_compat_thread(task_thread_info(task)))
- error = sign_extend64(error, 31);
+ val = sign_extend64(val, 31);
- return IS_ERR_VALUE(error) ? error : 0;
+ return val;
}
-static inline long syscall_get_return_value(struct task_struct *task,
- struct pt_regs *regs)
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
{
- return regs->regs[0];
+ unsigned long error = syscall_get_return_value(task, regs);
+
+ return IS_ERR_VALUE(error) ? error : 0;
}
static inline void syscall_set_return_value(struct task_struct *task,
diff --git a/arch/arm64/include/asm/vdso/gettimeofday.h b/arch/arm64/include/asm/vdso/gettimeofday.h
index 631ab1281633..4b4c0dac0e14 100644
--- a/arch/arm64/include/asm/vdso/gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/gettimeofday.h
@@ -83,11 +83,7 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode,
*/
isb();
asm volatile("mrs %0, cntvct_el0" : "=r" (res) :: "memory");
- /*
- * This isb() is required to prevent that the seq lock is
- * speculated.#
- */
- isb();
+ arch_counter_enforce_ordering(res);
return res;
}
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 66256603bd59..2817e39881fe 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1823,7 +1823,7 @@ void syscall_trace_exit(struct pt_regs *regs)
audit_syscall_exit(regs);
if (flags & _TIF_SYSCALL_TRACEPOINT)
- trace_sys_exit(regs, regs_return_value(regs));
+ trace_sys_exit(regs, syscall_get_return_value(current, regs));
if (flags & (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP))
tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT);
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 50852992752b..e62005317ce2 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -29,6 +29,7 @@
#include <asm/unistd.h>
#include <asm/fpsimd.h>
#include <asm/ptrace.h>
+#include <asm/syscall.h>
#include <asm/signal32.h>
#include <asm/traps.h>
#include <asm/vdso.h>
@@ -890,7 +891,7 @@ static void do_signal(struct pt_regs *regs)
retval == -ERESTART_RESTARTBLOCK ||
(retval == -ERESTARTSYS &&
!(ksig.ka.sa.sa_flags & SA_RESTART)))) {
- regs->regs[0] = -EINTR;
+ syscall_set_return_value(current, regs, -EINTR, 0);
regs->pc = continue_addr;
}
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index dbce0dcf4cc0..c445828ecc3a 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -199,7 +199,7 @@ void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
#ifdef CONFIG_STACKTRACE
-noinline void arch_stack_walk(stack_trace_consume_fn consume_entry,
+noinline notrace void arch_stack_walk(stack_trace_consume_fn consume_entry,
void *cookie, struct task_struct *task,
struct pt_regs *regs)
{
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index 6fa8cfb8232a..befde0eaa5e7 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -50,10 +50,7 @@ static void invoke_syscall(struct pt_regs *regs, unsigned int scno,
ret = do_ni_syscall(regs, scno);
}
- if (is_compat_task())
- ret = lower_32_bits(ret);
-
- regs->regs[0] = ret;
+ syscall_set_return_value(current, regs, 0, ret);
}
static inline bool has_syscall_work(unsigned long flags)
@@ -128,7 +125,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
* syscall. do_notify_resume() will send a signal to userspace
* before the syscall is restarted.
*/
- regs->regs[0] = -ERESTARTNOINTR;
+ syscall_set_return_value(current, regs, -ERESTARTNOINTR, 0);
return;
}
@@ -149,7 +146,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
* anyway.
*/
if (scno == NO_SYSCALL)
- regs->regs[0] = -ENOSYS;
+ syscall_set_return_value(current, regs, -ENOSYS, 0);
scno = syscall_trace_enter(regs);
if (scno == NO_SYSCALL)
goto trace_exit;
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 686990fcc5f0..acab8018ab44 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -320,7 +320,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
+ egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index d0cf997b4ba8..139b4050259f 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -59,15 +59,20 @@ do { \
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- pmd_t *pmd = NULL;
+ pmd_t *pmd;
struct page *pg;
- pg = alloc_pages(GFP_KERNEL | __GFP_ACCOUNT, PMD_ORDER);
- if (pg) {
- pgtable_pmd_page_ctor(pg);
- pmd = (pmd_t *)page_address(pg);
- pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
+ pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+ if (!pg)
+ return NULL;
+
+ if (!pgtable_pmd_page_ctor(pg)) {
+ __free_pages(pg, PMD_ORDER);
+ return NULL;
}
+
+ pmd = (pmd_t *)page_address(pg);
+ pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
return pmd;
}
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index 11e9527c6e44..62ffac500eb5 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -47,7 +47,8 @@ static struct plat_serial8250_port uart8250_data[] = {
.mapbase = 0x1f000900, /* The CBUS UART */
.irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
.uartclk = 3686400, /* Twice the usual clk! */
- .iotype = UPIO_MEM32,
+ .iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ?
+ UPIO_MEM32BE : UPIO_MEM32,
.flags = CBUS_UART_FLAGS,
.regshift = 3,
},
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index f07d77cffb3c..0c3b8fa7e532 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -1009,9 +1009,10 @@ void x86_pmu_stop(struct perf_event *event, int flags);
static inline void x86_pmu_disable_event(struct perf_event *event)
{
+ u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask);
struct hw_perf_event *hwc = &event->hw;
- wrmsrl(hwc->config_base, hwc->config);
+ wrmsrl(hwc->config_base, hwc->config & ~disable_mask);
if (is_counter_pair(hwc))
wrmsrl(x86_pmu_config_addr(hwc->idx + 1), 0);
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 7ca2da902829..5e25d93ec7d0 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1621,7 +1621,7 @@ static int is_empty_shadow_page(u64 *spt)
* aggregate version in order to make the slab shrinker
* faster
*/
-static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, unsigned long nr)
+static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, long nr)
{
kvm->arch.n_used_mmu_pages += nr;
percpu_counter_add(&kvm_total_used_mmu_pages, nr);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 27faa00fff71..6ab42cdcb8a4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4100,8 +4100,17 @@ static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu)
static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu)
{
- return kvm_arch_interrupt_allowed(vcpu) &&
- kvm_cpu_accept_dm_intr(vcpu);
+ /*
+ * Do not cause an interrupt window exit if an exception
+ * is pending or an event needs reinjection; userspace
+ * might want to inject the interrupt manually using KVM_SET_REGS
+ * or KVM_SET_SREGS. For that to work, we must be at an
+ * instruction boundary and with no events half-injected.
+ */
+ return (kvm_arch_interrupt_allowed(vcpu) &&
+ kvm_cpu_accept_dm_intr(vcpu) &&
+ !kvm_event_needs_reinjection(vcpu) &&
+ !vcpu->arch.exception.pending);
}
static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index 81be0096411d..d8b0d8bd132b 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -833,7 +833,11 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf,
enable = iolatency_set_min_lat_nsec(blkg, lat_val);
if (enable) {
- WARN_ON_ONCE(!blk_get_queue(blkg->q));
+ if (!blk_get_queue(blkg->q)) {
+ ret = -ENODEV;
+ goto out;
+ }
+
blkg_get(blkg);
}
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 8768594c79e5..125143c41bb8 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -375,13 +375,6 @@ acpi_ns_repair_CID(struct acpi_evaluate_info *info,
(*element_ptr)->common.reference_count =
original_ref_count;
-
- /*
- * The original_element holds a reference from the package object
- * that represents _HID. Since a new element was created by _HID,
- * remove the reference from the _CID package.
- */
- acpi_ut_remove_reference(original_element);
}
element_ptr++;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index ae7189d1a568..b71ea4a680b0 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -637,6 +637,20 @@ unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf,
}
EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
+static void ata_pio_xfer(struct ata_queued_cmd *qc, struct page *page,
+ unsigned int offset, size_t xfer_size)
+{
+ bool do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
+ unsigned char *buf;
+
+ buf = kmap_atomic(page);
+ qc->ap->ops->sff_data_xfer(qc, buf + offset, xfer_size, do_write);
+ kunmap_atomic(buf);
+
+ if (!do_write && !PageSlab(page))
+ flush_dcache_page(page);
+}
+
/**
* ata_pio_sector - Transfer a sector of data.
* @qc: Command on going
@@ -648,11 +662,9 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
*/
static void ata_pio_sector(struct ata_queued_cmd *qc)
{
- int do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
struct ata_port *ap = qc->ap;
struct page *page;
unsigned int offset;
- unsigned char *buf;
if (!qc->cursg) {
qc->curbytes = qc->nbytes;
@@ -670,13 +682,20 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
- /* do the actual data transfer */
- buf = kmap_atomic(page);
- ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size, do_write);
- kunmap_atomic(buf);
+ /*
+ * Split the transfer when it splits a page boundary. Note that the
+ * split still has to be dword aligned like all ATA data transfers.
+ */
+ WARN_ON_ONCE(offset % 4);
+ if (offset + qc->sect_size > PAGE_SIZE) {
+ unsigned int split_len = PAGE_SIZE - offset;
- if (!do_write && !PageSlab(page))
- flush_dcache_page(page);
+ ata_pio_xfer(qc, page, offset, split_len);
+ ata_pio_xfer(qc, nth_page(page, 1), 0,
+ qc->sect_size - split_len);
+ } else {
+ ata_pio_xfer(qc, page, offset, qc->sect_size);
+ }
qc->curbytes += qc->sect_size;
qc->cursg_ofs += qc->sect_size;
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 8d7f94ef0cfe..85bb8742f090 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -617,8 +617,6 @@ static int really_probe(struct device *dev, struct device_driver *drv)
else if (drv->remove)
drv->remove(dev);
probe_failed:
- kfree(dev->dma_range_map);
- dev->dma_range_map = NULL;
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_DRIVER_NOT_BOUND, dev);
@@ -626,6 +624,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
device_links_no_driver(dev);
devres_release_all(dev);
arch_teardown_dma_ops(dev);
+ kfree(dev->dma_range_map);
+ dev->dma_range_map = NULL;
driver_sysfs_remove(dev);
dev->driver = NULL;
dev_set_drvdata(dev, NULL);
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 4dec4b79ae06..0fdd18ce2c52 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -89,12 +89,11 @@ static void __fw_load_abort(struct fw_priv *fw_priv)
{
/*
* There is a small window in which user can write to 'loading'
- * between loading done and disappearance of 'loading'
+ * between loading done/aborted and disappearance of 'loading'
*/
- if (fw_sysfs_done(fw_priv))
+ if (fw_state_is_aborted(fw_priv) || fw_sysfs_done(fw_priv))
return;
- list_del_init(&fw_priv->pending_list);
fw_state_aborted(fw_priv);
}
@@ -280,7 +279,6 @@ static ssize_t firmware_loading_store(struct device *dev,
* Same logic as fw_load_abort, only the DONE bit
* is ignored and we set ABORT only on failure.
*/
- list_del_init(&fw_priv->pending_list);
if (rc) {
fw_state_aborted(fw_priv);
written = rc;
@@ -513,6 +511,11 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
}
mutex_lock(&fw_lock);
+ if (fw_state_is_aborted(fw_priv)) {
+ mutex_unlock(&fw_lock);
+ retval = -EINTR;
+ goto out;
+ }
list_add(&fw_priv->pending_list, &pending_fw_head);
mutex_unlock(&fw_lock);
@@ -535,11 +538,10 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs, long timeout)
if (fw_state_is_aborted(fw_priv)) {
if (retval == -ERESTARTSYS)
retval = -EINTR;
- else
- retval = -EAGAIN;
} else if (fw_priv->is_paged_buf && !fw_priv->data)
retval = -ENOMEM;
+out:
device_del(f_dev);
err_put_dev:
put_device(f_dev);
diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h
index 63bd29fdcb9c..a3014e9e2c85 100644
--- a/drivers/base/firmware_loader/firmware.h
+++ b/drivers/base/firmware_loader/firmware.h
@@ -117,8 +117,16 @@ static inline void __fw_state_set(struct fw_priv *fw_priv,
WRITE_ONCE(fw_st->status, status);
- if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED)
+ if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED) {
+#ifdef CONFIG_FW_LOADER_USER_HELPER
+ /*
+ * Doing this here ensures that the fw_priv is deleted from
+ * the pending list in all abort/done paths.
+ */
+ list_del_init(&fw_priv->pending_list);
+#endif
complete_all(&fw_st->completion);
+ }
}
static inline void fw_state_aborted(struct fw_priv *fw_priv)
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index 78355095e00d..a529235e6bfe 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -781,8 +781,10 @@ static void fw_abort_batch_reqs(struct firmware *fw)
return;
fw_priv = fw->priv;
+ mutex_lock(&fw_lock);
if (!fw_state_is_aborted(fw_priv))
fw_state_aborted(fw_priv);
+ mutex_unlock(&fw_lock);
}
/* called from request_firmware() and request_firmware_work_func() */
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 818dc7f54f03..c3d8d44f28d7 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -100,6 +100,7 @@ static const char * const clock_names[SYSC_MAX_CLOCKS] = {
* @cookie: data used by legacy platform callbacks
* @name: name if available
* @revision: interconnect target module revision
+ * @reserved: target module is reserved and already in use
* @enabled: sysc runtime enabled status
* @needs_resume: runtime resume needed on resume from suspend
* @child_needs_resume: runtime resume needed for child on resume from suspend
@@ -130,6 +131,7 @@ struct sysc {
struct ti_sysc_cookie cookie;
const char *name;
u32 revision;
+ unsigned int reserved:1;
unsigned int enabled:1;
unsigned int needs_resume:1;
unsigned int child_needs_resume:1;
@@ -2918,6 +2920,8 @@ static int sysc_init_soc(struct sysc *ddata)
case SOC_3430 ... SOC_3630:
sysc_add_disabled(0x48304000); /* timer12 */
break;
+ case SOC_AM3:
+ sysc_add_disabled(0x48310000); /* rng */
default:
break;
};
@@ -3057,8 +3061,8 @@ static int sysc_probe(struct platform_device *pdev)
return error;
error = sysc_check_active_timer(ddata);
- if (error)
- return error;
+ if (error == -EBUSY)
+ ddata->reserved = true;
error = sysc_get_clocks(ddata);
if (error)
@@ -3094,11 +3098,15 @@ static int sysc_probe(struct platform_device *pdev)
sysc_show_registers(ddata);
ddata->dev->type = &sysc_device_type;
- error = of_platform_populate(ddata->dev->of_node, sysc_match_table,
- pdata ? pdata->auxdata : NULL,
- ddata->dev);
- if (error)
- goto err;
+
+ if (!ddata->reserved) {
+ error = of_platform_populate(ddata->dev->of_node,
+ sysc_match_table,
+ pdata ? pdata->auxdata : NULL,
+ ddata->dev);
+ if (error)
+ goto err;
+ }
INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle);
diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c
index 2ccdf8ac6994..6e3235565a4d 100644
--- a/drivers/char/tpm/tpm_ftpm_tee.c
+++ b/drivers/char/tpm/tpm_ftpm_tee.c
@@ -254,11 +254,11 @@ static int ftpm_tee_probe(struct device *dev)
pvt_data->session = sess_arg.session;
/* Allocate dynamic shared memory with fTPM TA */
- pvt_data->shm = tee_shm_alloc(pvt_data->ctx,
- MAX_COMMAND_SIZE + MAX_RESPONSE_SIZE,
- TEE_SHM_MAPPED | TEE_SHM_DMA_BUF);
+ pvt_data->shm = tee_shm_alloc_kernel_buf(pvt_data->ctx,
+ MAX_COMMAND_SIZE +
+ MAX_RESPONSE_SIZE);
if (IS_ERR(pvt_data->shm)) {
- dev_err(dev, "%s: tee_shm_alloc failed\n", __func__);
+ dev_err(dev, "%s: tee_shm_alloc_kernel_buf failed\n", __func__);
rc = -ENOMEM;
goto out_shm_alloc;
}
diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c
index be160764911b..f9d5b7334341 100644
--- a/drivers/clk/clk-devres.c
+++ b/drivers/clk/clk-devres.c
@@ -92,13 +92,20 @@ int __must_check devm_clk_bulk_get_optional(struct device *dev, int num_clks,
}
EXPORT_SYMBOL_GPL(devm_clk_bulk_get_optional);
+static void devm_clk_bulk_release_all(struct device *dev, void *res)
+{
+ struct clk_bulk_devres *devres = res;
+
+ clk_bulk_put_all(devres->num_clks, devres->clks);
+}
+
int __must_check devm_clk_bulk_get_all(struct device *dev,
struct clk_bulk_data **clks)
{
struct clk_bulk_devres *devres;
int ret;
- devres = devres_alloc(devm_clk_bulk_release,
+ devres = devres_alloc(devm_clk_bulk_release_all,
sizeof(*devres), GFP_KERNEL);
if (!devres)
return -ENOMEM;
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index 18117ce5ff85..5c75e3d906c2 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -526,7 +526,7 @@ struct stm32f4_pll {
struct stm32f4_pll_post_div_data {
int idx;
- u8 pll_num;
+ int pll_idx;
const char *name;
const char *parent;
u8 flag;
@@ -557,13 +557,13 @@ static const struct clk_div_table post_divr_table[] = {
#define MAX_POST_DIV 3
static const struct stm32f4_pll_post_div_data post_div_data[MAX_POST_DIV] = {
- { CLK_I2SQ_PDIV, PLL_I2S, "plli2s-q-div", "plli2s-q",
+ { CLK_I2SQ_PDIV, PLL_VCO_I2S, "plli2s-q-div", "plli2s-q",
CLK_SET_RATE_PARENT, STM32F4_RCC_DCKCFGR, 0, 5, 0, NULL},
- { CLK_SAIQ_PDIV, PLL_SAI, "pllsai-q-div", "pllsai-q",
+ { CLK_SAIQ_PDIV, PLL_VCO_SAI, "pllsai-q-div", "pllsai-q",
CLK_SET_RATE_PARENT, STM32F4_RCC_DCKCFGR, 8, 5, 0, NULL },
- { NO_IDX, PLL_SAI, "pllsai-r-div", "pllsai-r", CLK_SET_RATE_PARENT,
+ { NO_IDX, PLL_VCO_SAI, "pllsai-r-div", "pllsai-r", CLK_SET_RATE_PARENT,
STM32F4_RCC_DCKCFGR, 16, 2, 0, post_divr_table },
};
@@ -1774,7 +1774,7 @@ static void __init stm32f4_rcc_init(struct device_node *np)
post_div->width,
post_div->flag_div,
post_div->div_table,
- clks[post_div->pll_num],
+ clks[post_div->pll_idx],
&stm32f4_clk_lock);
if (post_div->idx != NO_IDX)
diff --git a/drivers/clk/tegra/clk-sdmmc-mux.c b/drivers/clk/tegra/clk-sdmmc-mux.c
index 316912d3b1a4..4f2c3309eea4 100644
--- a/drivers/clk/tegra/clk-sdmmc-mux.c
+++ b/drivers/clk/tegra/clk-sdmmc-mux.c
@@ -194,6 +194,15 @@ static void clk_sdmmc_mux_disable(struct clk_hw *hw)
gate_ops->disable(gate_hw);
}
+static void clk_sdmmc_mux_disable_unused(struct clk_hw *hw)
+{
+ struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+ const struct clk_ops *gate_ops = sdmmc_mux->gate_ops;
+ struct clk_hw *gate_hw = &sdmmc_mux->gate.hw;
+
+ gate_ops->disable_unused(gate_hw);
+}
+
static void clk_sdmmc_mux_restore_context(struct clk_hw *hw)
{
struct clk_hw *parent = clk_hw_get_parent(hw);
@@ -218,6 +227,7 @@ static const struct clk_ops tegra_clk_sdmmc_mux_ops = {
.is_enabled = clk_sdmmc_mux_is_enabled,
.enable = clk_sdmmc_mux_enable,
.disable = clk_sdmmc_mux_disable,
+ .disable_unused = clk_sdmmc_mux_disable_unused,
.restore_context = clk_sdmmc_mux_restore_context,
};
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 670db04b0757..52e361ed43e3 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -831,6 +831,8 @@ static struct dma_async_tx_descriptor *imxdma_prep_slave_sg(
dma_length += sg_dma_len(sg);
}
+ imxdma_config_write(chan, &imxdmac->config, direction);
+
switch (imxdmac->word_size) {
case DMA_SLAVE_BUSWIDTH_4_BYTES:
if (sg_dma_len(sgl) & 3 || sgl->dma_address & 3)
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index d0055d2f0b9a..1150aa90eab6 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -1187,7 +1187,7 @@ static int stm32_dma_alloc_chan_resources(struct dma_chan *c)
chan->config_init = false;
- ret = pm_runtime_get_sync(dmadev->ddev.dev);
+ ret = pm_runtime_resume_and_get(dmadev->ddev.dev);
if (ret < 0)
return ret;
@@ -1455,7 +1455,7 @@ static int stm32_dma_suspend(struct device *dev)
struct stm32_dma_device *dmadev = dev_get_drvdata(dev);
int id, ret, scr;
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
return ret;
diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
index a10ccd964376..bddd3b23f33f 100644
--- a/drivers/dma/stm32-dmamux.c
+++ b/drivers/dma/stm32-dmamux.c
@@ -137,7 +137,7 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec,
/* Set dma request */
spin_lock_irqsave(&dmamux->lock, flags);
- ret = pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0) {
spin_unlock_irqrestore(&dmamux->lock, flags);
goto error;
@@ -336,7 +336,7 @@ static int stm32_dmamux_suspend(struct device *dev)
struct stm32_dmamux_data *stm32_dmamux = platform_get_drvdata(pdev);
int i, ret;
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
return ret;
@@ -361,7 +361,7 @@ static int stm32_dmamux_resume(struct device *dev)
if (ret < 0)
return ret;
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
return ret;
diff --git a/drivers/dma/uniphier-xdmac.c b/drivers/dma/uniphier-xdmac.c
index 16b19654873d..d6b8a202474f 100644
--- a/drivers/dma/uniphier-xdmac.c
+++ b/drivers/dma/uniphier-xdmac.c
@@ -209,8 +209,8 @@ static int uniphier_xdmac_chan_stop(struct uniphier_xdmac_chan *xc)
writel(0, xc->reg_ch_base + XDMAC_TSS);
/* wait until transfer is stopped */
- return readl_poll_timeout(xc->reg_ch_base + XDMAC_STAT, val,
- !(val & XDMAC_STAT_TENF), 100, 1000);
+ return readl_poll_timeout_atomic(xc->reg_ch_base + XDMAC_STAT, val,
+ !(val & XDMAC_STAT_TENF), 100, 1000);
}
/* xc->vc.lock must be held by caller */
diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
index 531266287eee..329b03244fd2 100644
--- a/drivers/fpga/dfl-fme-perf.c
+++ b/drivers/fpga/dfl-fme-perf.c
@@ -953,6 +953,8 @@ static int fme_perf_offline_cpu(unsigned int cpu, struct hlist_node *node)
return 0;
priv->cpu = target;
+ perf_pmu_migrate_context(&priv->pmu, cpu, target);
+
return 0;
}
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 6dfca83bcd90..3c2fa44d9279 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -396,7 +396,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev, mpc8xxx_gc->irqn,
mpc8xxx_gpio_irq_cascade,
- IRQF_SHARED, "gpio-cascade",
+ IRQF_NO_THREAD | IRQF_SHARED, "gpio-cascade",
mpc8xxx_gc);
if (ret) {
dev_err(&pdev->dev, "%s: failed to devm_request_irq(%d), ret = %d\n",
diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c
index 5022e0ad0fae..0f5d17f343f1 100644
--- a/drivers/gpio/gpio-tqmx86.c
+++ b/drivers/gpio/gpio-tqmx86.c
@@ -238,8 +238,8 @@ static int tqmx86_gpio_probe(struct platform_device *pdev)
struct resource *res;
int ret, irq;
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
+ irq = platform_get_irq_optional(pdev, 0);
+ if (irq < 0 && irq != -ENXIO)
return irq;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -278,7 +278,7 @@ static int tqmx86_gpio_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
- if (irq) {
+ if (irq > 0) {
struct irq_chip *irq_chip = &gpio->irq_chip;
u8 irq_status;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6eb308670f48..bc9df3f216f5 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1301,6 +1301,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
}
hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data;
+ adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
@@ -1314,7 +1315,6 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
adev->dm.dmcub_fw_version);
}
- adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->dm.dmub_srv = kzalloc(sizeof(*adev->dm.dmub_srv), GFP_KERNEL);
dmub_srv = adev->dm.dmub_srv;
@@ -2162,9 +2162,9 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
max_cll = conn_base->hdr_sink_metadata.hdmi_type1.max_cll;
min_cll = conn_base->hdr_sink_metadata.hdmi_type1.min_cll;
- if (caps->ext_caps->bits.oled == 1 ||
+ if (caps->ext_caps->bits.oled == 1 /*||
caps->ext_caps->bits.sdr_aux_backlight_control == 1 ||
- caps->ext_caps->bits.hdr_aux_backlight_control == 1)
+ caps->ext_caps->bits.hdr_aux_backlight_control == 1*/)
caps->aux_support = true;
if (amdgpu_backlight == 0)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index e5ac0936a587..0c083af5a59d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2351,6 +2351,12 @@ static int eb_parse(struct i915_execbuffer *eb)
eb->batch_flags |= I915_DISPATCH_SECURE;
}
+ batch = eb_dispatch_secure(eb, shadow);
+ if (IS_ERR(batch)) {
+ err = PTR_ERR(batch);
+ goto err_trampoline;
+ }
+
err = intel_engine_cmd_parser(eb->engine,
eb->batch->vma,
eb->batch_start_offset,
@@ -2377,6 +2383,7 @@ static int eb_parse(struct i915_execbuffer *eb)
err_unpin_batch:
if (batch)
i915_vma_unpin(batch);
+err_trampoline:
if (trampoline)
i915_vma_unpin(trampoline);
err_shadow:
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5cd83eac940c..ce8c91c5fdd3 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -413,7 +413,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GEN11_VECS_SFC_USAGE(engine) _MMIO((engine)->mmio_base + 0x2014)
#define GEN11_VECS_SFC_USAGE_BIT (1 << 0)
-#define GEN12_SFC_DONE(n) _MMIO(0x1cc00 + (n) * 0x100)
+#define GEN12_SFC_DONE(n) _MMIO(0x1cc000 + (n) * 0x1000)
#define GEN12_SFC_DONE_MAX 4
#define RING_PP_DIR_BASE(base) _MMIO((base) + 0x228)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 971694e781b6..19346693c1da 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -526,8 +526,8 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
*/
spin_unlock_irq(&ent->lock);
need_delay = need_resched() || someone_adding(cache) ||
- time_after(jiffies,
- READ_ONCE(cache->last_add) + 300 * HZ);
+ !time_after(jiffies,
+ READ_ONCE(cache->last_add) + 300 * HZ);
spin_lock_irq(&ent->lock);
if (ent->disabled)
goto out;
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 8a1e70e00876..7887941730db 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -403,7 +403,7 @@ struct icc_path *devm_of_icc_get(struct device *dev, const char *name)
{
struct icc_path **ptr, *path;
- ptr = devres_alloc(devm_icc_release, sizeof(**ptr), GFP_KERNEL);
+ ptr = devres_alloc(devm_icc_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
@@ -973,9 +973,14 @@ void icc_node_add(struct icc_node *node, struct icc_provider *provider)
}
node->avg_bw = node->init_avg;
node->peak_bw = node->init_peak;
+
+ if (provider->pre_aggregate)
+ provider->pre_aggregate(node);
+
if (provider->aggregate)
provider->aggregate(node, 0, node->init_avg, node->init_peak,
&node->avg_bw, &node->peak_bw);
+
provider->set(node, node);
node->avg_bw = 0;
node->peak_bw = 0;
@@ -1106,6 +1111,8 @@ void icc_sync_state(struct device *dev)
dev_dbg(p->dev, "interconnect provider is in synced state\n");
list_for_each_entry(n, &p->nodes, node_list) {
if (n->init_avg || n->init_peak) {
+ n->init_avg = 0;
+ n->init_peak = 0;
aggregate_requests(n);
p->set(n, n);
}
diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c
index bf01d09dba6c..f6fae64861ce 100644
--- a/drivers/interconnect/qcom/icc-rpmh.c
+++ b/drivers/interconnect/qcom/icc-rpmh.c
@@ -57,6 +57,11 @@ int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
qn->sum_avg[i] += avg_bw;
qn->max_peak[i] = max_t(u32, qn->max_peak[i], peak_bw);
}
+
+ if (node->init_avg || node->init_peak) {
+ qn->sum_avg[i] = max_t(u64, qn->sum_avg[i], node->init_avg);
+ qn->max_peak[i] = max_t(u64, qn->max_peak[i], node->init_peak);
+ }
}
*agg_avg += avg_bw;
@@ -79,7 +84,6 @@ EXPORT_SYMBOL_GPL(qcom_icc_aggregate);
int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
{
struct qcom_icc_provider *qp;
- struct qcom_icc_node *qn;
struct icc_node *node;
if (!src)
@@ -88,12 +92,6 @@ int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
node = src;
qp = to_qcom_provider(node->provider);
- qn = node->data;
-
- qn->sum_avg[QCOM_ICC_BUCKET_AMC] = max_t(u64, qn->sum_avg[QCOM_ICC_BUCKET_AMC],
- node->avg_bw);
- qn->max_peak[QCOM_ICC_BUCKET_AMC] = max_t(u64, qn->max_peak[QCOM_ICC_BUCKET_AMC],
- node->peak_bw);
qcom_icc_bcm_voter_commit(qp->voter);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a6480568c7eb..fb31e5dd54a6 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -472,8 +472,6 @@ static void raid1_end_write_request(struct bio *bio)
/*
* When the device is faulty, it is not necessary to
* handle write error.
- * For failfast, this is the only remaining device,
- * We need to retry the write without FailFast.
*/
if (!test_bit(Faulty, &rdev->flags))
set_bit(R1BIO_WriteError, &r1_bio->state);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 9f9d8b67b5dd..70dccc3c9631 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -470,12 +470,12 @@ static void raid10_end_write_request(struct bio *bio)
/*
* When the device is faulty, it is not necessary to
* handle write error.
- * For failfast, this is the only remaining device,
- * We need to retry the write without FailFast.
*/
if (!test_bit(Faulty, &rdev->flags))
set_bit(R10BIO_WriteError, &r10_bio->state);
else {
+ /* Fail the request */
+ set_bit(R10BIO_Degraded, &r10_bio->state);
r10_bio->devs[slot].bio = NULL;
to_put = bio;
dec_rdev = 1;
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index 89e38392509c..72350343a56a 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -1573,6 +1573,7 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb,
struct media_request *req)
{
struct vb2_buffer *vb;
+ enum vb2_buffer_state orig_state;
int ret;
if (q->error) {
@@ -1673,6 +1674,7 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb,
* Add to the queued buffers list, a buffer will stay on it until
* dequeued in dqbuf.
*/
+ orig_state = vb->state;
list_add_tail(&vb->queued_entry, &q->queued_list);
q->queued_count++;
q->waiting_for_buffers = false;
@@ -1703,8 +1705,17 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb,
if (q->streaming && !q->start_streaming_called &&
q->queued_count >= q->min_buffers_needed) {
ret = vb2_start_streaming(q);
- if (ret)
+ if (ret) {
+ /*
+ * Since vb2_core_qbuf will return with an error,
+ * we should return it to state DEQUEUED since
+ * the error indicates that the buffer wasn't queued.
+ */
+ list_del(&vb->queued_entry);
+ q->queued_count--;
+ vb->state = orig_state;
return ret;
+ }
}
dprintk(q, 2, "qbuf of buffer %d succeeded\n", vb->index);
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 91460e4d0c30..c278b9b0f102 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -37,7 +37,16 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
} else {
/* read */
requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
- pipe = usb_rcvctrlpipe(d->udev, 0);
+
+ /*
+ * Zero-length transfers must use usb_sndctrlpipe() and
+ * rtl28xxu_identify_state() uses a zero-length i2c read
+ * command to determine the chip type.
+ */
+ if (req->size)
+ pipe = usb_rcvctrlpipe(d->udev, 0);
+ else
+ pipe = usb_sndctrlpipe(d->udev, 0);
}
ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
index 4d49c5f2b790..661745932a53 100644
--- a/drivers/net/dsa/qca/ar9331.c
+++ b/drivers/net/dsa/qca/ar9331.c
@@ -689,16 +689,24 @@ static int ar9331_mdio_write(void *ctx, u32 reg, u32 val)
return 0;
}
- ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
+ /* In case of this switch we work with 32bit registers on top of 16bit
+ * bus. Some registers (for example access to forwarding database) have
+ * trigger bit on the first 16bit half of request, the result and
+ * configuration of request in the second half.
+ * To make it work properly, we should do the second part of transfer
+ * before the first one is done.
+ */
+ ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
+ val >> 16);
if (ret < 0)
goto error;
- ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2,
- val >> 16);
+ ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val);
if (ret < 0)
goto error;
return 0;
+
error:
dev_err_ratelimited(&sbus->dev, "Bus error. Failed to write register.\n");
return ret;
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index 82b918d36117..855371fcbf85 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -1260,10 +1260,11 @@ static int sja1105et_is_fdb_entry_in_bin(struct sja1105_private *priv, int bin,
int sja1105et_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid)
{
- struct sja1105_l2_lookup_entry l2_lookup = {0};
+ struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp;
struct sja1105_private *priv = ds->priv;
struct device *dev = ds->dev;
int last_unused = -1;
+ int start, end, i;
int bin, way, rc;
bin = sja1105et_fdb_hash(priv, addr, vid);
@@ -1275,7 +1276,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port,
* mask? If yes, we need to do nothing. If not, we need
* to rewrite the entry by adding this port to it.
*/
- if (l2_lookup.destports & BIT(port))
+ if ((l2_lookup.destports & BIT(port)) && l2_lookup.lockeds)
return 0;
l2_lookup.destports |= BIT(port);
} else {
@@ -1306,6 +1307,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port,
index, NULL, false);
}
}
+ l2_lookup.lockeds = true;
l2_lookup.index = sja1105et_fdb_index(bin, way);
rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP,
@@ -1314,6 +1316,29 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port,
if (rc < 0)
return rc;
+ /* Invalidate a dynamically learned entry if that exists */
+ start = sja1105et_fdb_index(bin, 0);
+ end = sja1105et_fdb_index(bin, way);
+
+ for (i = start; i < end; i++) {
+ rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP,
+ i, &tmp);
+ if (rc == -ENOENT)
+ continue;
+ if (rc)
+ return rc;
+
+ if (tmp.macaddr != ether_addr_to_u64(addr) || tmp.vlanid != vid)
+ continue;
+
+ rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP,
+ i, NULL, false);
+ if (rc)
+ return rc;
+
+ break;
+ }
+
return sja1105_static_fdb_change(priv, port, &l2_lookup, true);
}
@@ -1355,31 +1380,24 @@ int sja1105et_fdb_del(struct dsa_switch *ds, int port,
int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid)
{
- struct sja1105_l2_lookup_entry l2_lookup = {0};
+ struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp;
struct sja1105_private *priv = ds->priv;
int rc, i;
/* Search for an existing entry in the FDB table */
l2_lookup.macaddr = ether_addr_to_u64(addr);
l2_lookup.vlanid = vid;
- l2_lookup.iotag = SJA1105_S_TAG;
l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0);
- if (priv->vlan_state != SJA1105_VLAN_UNAWARE) {
- l2_lookup.mask_vlanid = VLAN_VID_MASK;
- l2_lookup.mask_iotag = BIT(0);
- } else {
- l2_lookup.mask_vlanid = 0;
- l2_lookup.mask_iotag = 0;
- }
+ l2_lookup.mask_vlanid = VLAN_VID_MASK;
l2_lookup.destports = BIT(port);
rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP,
SJA1105_SEARCH, &l2_lookup);
if (rc == 0) {
- /* Found and this port is already in the entry's
+ /* Found a static entry and this port is already in the entry's
* port mask => job done
*/
- if (l2_lookup.destports & BIT(port))
+ if ((l2_lookup.destports & BIT(port)) && l2_lookup.lockeds)
return 0;
/* l2_lookup.index is populated by the switch in case it
* found something.
@@ -1402,16 +1420,46 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
dev_err(ds->dev, "FDB is full, cannot add entry.\n");
return -EINVAL;
}
- l2_lookup.lockeds = true;
l2_lookup.index = i;
skip_finding_an_index:
+ l2_lookup.lockeds = true;
+
rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP,
l2_lookup.index, &l2_lookup,
true);
if (rc < 0)
return rc;
+ /* The switch learns dynamic entries and looks up the FDB left to
+ * right. It is possible that our addition was concurrent with the
+ * dynamic learning of the same address, so now that the static entry
+ * has been installed, we are certain that address learning for this
+ * particular address has been turned off, so the dynamic entry either
+ * is in the FDB at an index smaller than the static one, or isn't (it
+ * can also be at a larger index, but in that case it is inactive
+ * because the static FDB entry will match first, and the dynamic one
+ * will eventually age out). Search for a dynamically learned address
+ * prior to our static one and invalidate it.
+ */
+ tmp = l2_lookup;
+
+ rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP,
+ SJA1105_SEARCH, &tmp);
+ if (rc < 0) {
+ dev_err(ds->dev,
+ "port %d failed to read back entry for %pM vid %d: %pe\n",
+ port, addr, vid, ERR_PTR(rc));
+ return rc;
+ }
+
+ if (tmp.index < l2_lookup.index) {
+ rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP,
+ tmp.index, NULL, false);
+ if (rc < 0)
+ return rc;
+ }
+
return sja1105_static_fdb_change(priv, port, &l2_lookup, true);
}
@@ -1425,15 +1473,8 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,
l2_lookup.macaddr = ether_addr_to_u64(addr);
l2_lookup.vlanid = vid;
- l2_lookup.iotag = SJA1105_S_TAG;
l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0);
- if (priv->vlan_state != SJA1105_VLAN_UNAWARE) {
- l2_lookup.mask_vlanid = VLAN_VID_MASK;
- l2_lookup.mask_iotag = BIT(0);
- } else {
- l2_lookup.mask_vlanid = 0;
- l2_lookup.mask_iotag = 0;
- }
+ l2_lookup.mask_vlanid = VLAN_VID_MASK;
l2_lookup.destports = BIT(port);
rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 1a6ec1a12d53..b5d954cb409a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2669,7 +2669,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
}
/* Allocated memory for FW statistics */
- if (bnx2x_alloc_fw_stats_mem(bp))
+ rc = bnx2x_alloc_fw_stats_mem(bp);
+ if (rc)
LOAD_ERROR_EXIT(bp, load_error0);
/* request pf to initialize status blocks */
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 2cb73e850a32..94eb838a0176 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3822,13 +3822,13 @@ fec_drv_remove(struct platform_device *pdev)
if (of_phy_is_fixed_link(np))
of_phy_deregister_fixed_link(np);
of_node_put(fep->phy_node);
- free_netdev(ndev);
clk_disable_unprepare(fep->clk_ahb);
clk_disable_unprepare(fep->clk_ipg);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
+ free_netdev(ndev);
return 0;
}
diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c
index b81e1487945c..14a17ad730f0 100644
--- a/drivers/net/ethernet/natsemi/natsemi.c
+++ b/drivers/net/ethernet/natsemi/natsemi.c
@@ -819,7 +819,7 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent)
printk(version);
#endif
- i = pci_enable_device(pdev);
+ i = pcim_enable_device(pdev);
if (i) return i;
/* natsemi has a non-standard PM control register
@@ -852,7 +852,7 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent)
ioaddr = ioremap(iostart, iosize);
if (!ioaddr) {
i = -ENOMEM;
- goto err_ioremap;
+ goto err_pci_request_regions;
}
/* Work around the dropped serial bit. */
@@ -974,9 +974,6 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent)
err_register_netdev:
iounmap(ioaddr);
- err_ioremap:
- pci_release_regions(pdev);
-
err_pci_request_regions:
free_netdev(dev);
return i;
@@ -3241,7 +3238,6 @@ static void natsemi_remove1(struct pci_dev *pdev)
NATSEMI_REMOVE_FILE(pdev, dspcfg_workaround);
unregister_netdev (dev);
- pci_release_regions (pdev);
iounmap(ioaddr);
free_netdev (dev);
}
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
index 87892bd992b1..56556373548c 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -3527,13 +3527,13 @@ static void vxge_device_unregister(struct __vxge_hw_device *hldev)
kfree(vdev->vpaths);
- /* we are safe to free it now */
- free_netdev(dev);
-
vxge_debug_init(vdev->level_trace, "%s: ethernet device unregistered",
buf);
vxge_debug_entryexit(vdev->level_trace, "%s: %s:%d Exiting...", buf,
__func__, __LINE__);
+
+ /* we are safe to free it now */
+ free_netdev(dev);
}
/*
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 9c9ae33d84ce..c036a1d0f8de 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -286,6 +286,8 @@ nfp_net_get_link_ksettings(struct net_device *netdev,
/* Init to unknowns */
ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
+ ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
+ ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
cmd->base.port = PORT_OTHER;
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index c59b72c90293..a2e4dfb5cb44 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -831,7 +831,7 @@ int qede_configure_vlan_filters(struct qede_dev *edev)
int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
{
struct qede_dev *edev = netdev_priv(dev);
- struct qede_vlan *vlan = NULL;
+ struct qede_vlan *vlan;
int rc = 0;
DP_VERBOSE(edev, NETIF_MSG_IFDOWN, "Removing vlan 0x%04x\n", vid);
@@ -842,7 +842,7 @@ int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
if (vlan->vid == vid)
break;
- if (!vlan || (vlan->vid != vid)) {
+ if (list_entry_is_head(vlan, &edev->vlan_list, list)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Vlan isn't configured\n");
goto out;
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index a83b3d69a656..c7923e22a4c4 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -154,7 +154,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
"driver lock acquired\n");
return 1;
}
- ssleep(1);
+ mdelay(1000);
} while (++i < 10);
netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n");
@@ -3290,7 +3290,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev)
if ((value & ISP_CONTROL_SR) == 0)
break;
- ssleep(1);
+ mdelay(1000);
} while ((--max_wait_time));
/*
@@ -3326,7 +3326,7 @@ static int ql_adapter_reset(struct ql3_adapter *qdev)
ispControlStatus);
if ((value & ISP_CONTROL_FSR) == 0)
break;
- ssleep(1);
+ mdelay(1000);
} while ((--max_wait_time));
}
if (max_wait_time == 0)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 9b0bc8b74bc0..9a566c5b36a6 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -349,11 +349,11 @@ static int ksz8041_config_aneg(struct phy_device *phydev)
}
static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev,
- const u32 ksz_phy_id)
+ const bool ksz_8051)
{
int ret;
- if ((phydev->phy_id & MICREL_PHY_ID_MASK) != ksz_phy_id)
+ if ((phydev->phy_id & MICREL_PHY_ID_MASK) != PHY_ID_KSZ8051)
return 0;
ret = phy_read(phydev, MII_BMSR);
@@ -366,7 +366,7 @@ static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev,
* the switch does not.
*/
ret &= BMSR_ERCAP;
- if (ksz_phy_id == PHY_ID_KSZ8051)
+ if (ksz_8051)
return ret;
else
return !ret;
@@ -374,7 +374,7 @@ static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev,
static int ksz8051_match_phy_device(struct phy_device *phydev)
{
- return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ8051);
+ return ksz8051_ksz8795_match_phy_device(phydev, true);
}
static int ksz8081_config_init(struct phy_device *phydev)
@@ -402,7 +402,7 @@ static int ksz8061_config_init(struct phy_device *phydev)
static int ksz8795_match_phy_device(struct phy_device *phydev)
{
- return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ87XX);
+ return ksz8051_ksz8795_match_phy_device(phydev, false);
}
static int ksz9021_load_values_from_of(struct phy_device *phydev,
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 32e1335c94ad..0d7935924e58 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -736,12 +736,16 @@ static inline void disable_net_traffic(pegasus_t *pegasus)
set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp);
}
-static inline void get_interrupt_interval(pegasus_t *pegasus)
+static inline int get_interrupt_interval(pegasus_t *pegasus)
{
u16 data;
u8 interval;
+ int ret;
+
+ ret = read_eprom_word(pegasus, 4, &data);
+ if (ret < 0)
+ return ret;
- read_eprom_word(pegasus, 4, &data);
interval = data >> 8;
if (pegasus->usb->speed != USB_SPEED_HIGH) {
if (interval < 0x80) {
@@ -756,6 +760,8 @@ static inline void get_interrupt_interval(pegasus_t *pegasus)
}
}
pegasus->intr_interval = interval;
+
+ return 0;
}
static void set_carrier(struct net_device *net)
@@ -1150,7 +1156,9 @@ static int pegasus_probe(struct usb_interface *intf,
| NETIF_MSG_PROBE | NETIF_MSG_LINK);
pegasus->features = usb_dev_id[dev_index].private;
- get_interrupt_interval(pegasus);
+ res = get_interrupt_interval(pegasus);
+ if (res)
+ goto out2;
if (reset_mac(pegasus)) {
dev_err(&intf->dev, "can't reset MAC\n");
res = -EIO;
diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index 1df959532c7d..514f2c1124b6 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -136,6 +136,29 @@ static struct ieee80211_supported_band band_5ghz = {
/* Assigned at module init. Guaranteed locally-administered and unicast. */
static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {};
+static void virt_wifi_inform_bss(struct wiphy *wiphy)
+{
+ u64 tsf = div_u64(ktime_get_boottime_ns(), 1000);
+ struct cfg80211_bss *informed_bss;
+ static const struct {
+ u8 tag;
+ u8 len;
+ u8 ssid[8];
+ } __packed ssid = {
+ .tag = WLAN_EID_SSID,
+ .len = 8,
+ .ssid = "VirtWifi",
+ };
+
+ informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz,
+ CFG80211_BSS_FTYPE_PRESP,
+ fake_router_bssid, tsf,
+ WLAN_CAPABILITY_ESS, 0,
+ (void *)&ssid, sizeof(ssid),
+ DBM_TO_MBM(-50), GFP_KERNEL);
+ cfg80211_put_bss(wiphy, informed_bss);
+}
+
/* Called with the rtnl lock held. */
static int virt_wifi_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
@@ -156,28 +179,13 @@ static int virt_wifi_scan(struct wiphy *wiphy,
/* Acquires and releases the rdev BSS lock. */
static void virt_wifi_scan_result(struct work_struct *work)
{
- struct {
- u8 tag;
- u8 len;
- u8 ssid[8];
- } __packed ssid = {
- .tag = WLAN_EID_SSID, .len = 8, .ssid = "VirtWifi",
- };
- struct cfg80211_bss *informed_bss;
struct virt_wifi_wiphy_priv *priv =
container_of(work, struct virt_wifi_wiphy_priv,
scan_result.work);
struct wiphy *wiphy = priv_to_wiphy(priv);
struct cfg80211_scan_info scan_info = { .aborted = false };
- u64 tsf = div_u64(ktime_get_boottime_ns(), 1000);
- informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz,
- CFG80211_BSS_FTYPE_PRESP,
- fake_router_bssid, tsf,
- WLAN_CAPABILITY_ESS, 0,
- (void *)&ssid, sizeof(ssid),
- DBM_TO_MBM(-50), GFP_KERNEL);
- cfg80211_put_bss(wiphy, informed_bss);
+ virt_wifi_inform_bss(wiphy);
/* Schedules work which acquires and releases the rtnl lock. */
cfg80211_scan_done(priv->scan_request, &scan_info);
@@ -225,10 +233,12 @@ static int virt_wifi_connect(struct wiphy *wiphy, struct net_device *netdev,
if (!could_schedule)
return -EBUSY;
- if (sme->bssid)
+ if (sme->bssid) {
ether_addr_copy(priv->connect_requested_bss, sme->bssid);
- else
+ } else {
+ virt_wifi_inform_bss(wiphy);
eth_zero_addr(priv->connect_requested_bss);
+ }
wiphy_debug(wiphy, "connect\n");
@@ -241,11 +251,13 @@ static void virt_wifi_connect_complete(struct work_struct *work)
struct virt_wifi_netdev_priv *priv =
container_of(work, struct virt_wifi_netdev_priv, connect.work);
u8 *requested_bss = priv->connect_requested_bss;
- bool has_addr = !is_zero_ether_addr(requested_bss);
bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid);
u16 status = WLAN_STATUS_SUCCESS;
- if (!priv->is_up || (has_addr && !right_addr))
+ if (is_zero_ether_addr(requested_bss))
+ requested_bss = NULL;
+
+ if (!priv->is_up || (requested_bss && !right_addr))
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
else
priv->is_connected = true;
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index 85887d885b5f..192c9049d654 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -112,6 +112,7 @@ static int i82092aa_pci_probe(struct pci_dev *dev,
for (i = 0; i < socket_count; i++) {
sockets[i].card_state = 1; /* 1 = present but empty */
sockets[i].io_base = pci_resource_start(dev, 0);
+ sockets[i].dev = dev;
sockets[i].socket.features |= SS_CAP_PCCARD;
sockets[i].socket.map_size = 0x1000;
sockets[i].socket.irq_mask = 0;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 726b7048a767..4cb4ab9c6137 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -221,7 +221,7 @@ static unsigned int sr_get_events(struct scsi_device *sdev)
else if (med->media_event_code == 2)
return DISK_EVENT_MEDIA_CHANGE;
else if (med->media_event_code == 3)
- return DISK_EVENT_EJECT_REQUEST;
+ return DISK_EVENT_MEDIA_CHANGE;
return 0;
}
diff --git a/drivers/soc/ixp4xx/ixp4xx-npe.c b/drivers/soc/ixp4xx/ixp4xx-npe.c
index ec90b44fa0cd..6065aaab6740 100644
--- a/drivers/soc/ixp4xx/ixp4xx-npe.c
+++ b/drivers/soc/ixp4xx/ixp4xx-npe.c
@@ -690,8 +690,8 @@ static int ixp4xx_npe_probe(struct platform_device *pdev)
if (!(ixp4xx_read_feature_bits() &
(IXP4XX_FEATURE_RESET_NPEA << i))) {
- dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
- i, res->start, res->end);
+ dev_info(dev, "NPE%d at %pR not available\n",
+ i, res);
continue; /* NPE already disabled or not present */
}
npe->regs = devm_ioremap_resource(dev, res);
@@ -699,13 +699,12 @@ static int ixp4xx_npe_probe(struct platform_device *pdev)
return PTR_ERR(npe->regs);
if (npe_reset(npe)) {
- dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
- i, res->start, res->end);
+ dev_info(dev, "NPE%d at %pR does not reset\n",
+ i, res);
continue;
}
npe->valid = 1;
- dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
- i, res->start, res->end);
+ dev_info(dev, "NPE%d at %pR registered\n", i, res);
found++;
}
diff --git a/drivers/soc/ixp4xx/ixp4xx-qmgr.c b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
index 8c968382cea7..065a800717bd 100644
--- a/drivers/soc/ixp4xx/ixp4xx-qmgr.c
+++ b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
@@ -145,12 +145,12 @@ static irqreturn_t qmgr_irq1_a0(int irq, void *pdev)
/* ACK - it may clear any bits so don't rely on it */
__raw_writel(0xFFFFFFFF, &qmgr_regs->irqstat[0]);
- en_bitmap = qmgr_regs->irqen[0];
+ en_bitmap = __raw_readl(&qmgr_regs->irqen[0]);
while (en_bitmap) {
i = __fls(en_bitmap); /* number of the last "low" queue */
en_bitmap &= ~BIT(i);
- src = qmgr_regs->irqsrc[i >> 3];
- stat = qmgr_regs->stat1[i >> 3];
+ src = __raw_readl(&qmgr_regs->irqsrc[i >> 3]);
+ stat = __raw_readl(&qmgr_regs->stat1[i >> 3]);
if (src & 4) /* the IRQ condition is inverted */
stat = ~stat;
if (stat & BIT(src & 3)) {
@@ -170,7 +170,8 @@ static irqreturn_t qmgr_irq2_a0(int irq, void *pdev)
/* ACK - it may clear any bits so don't rely on it */
__raw_writel(0xFFFFFFFF, &qmgr_regs->irqstat[1]);
- req_bitmap = qmgr_regs->irqen[1] & qmgr_regs->statne_h;
+ req_bitmap = __raw_readl(&qmgr_regs->irqen[1]) &
+ __raw_readl(&qmgr_regs->statne_h);
while (req_bitmap) {
i = __fls(req_bitmap); /* number of the last "high" queue */
req_bitmap &= ~BIT(i);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index c8b750d8ac35..0e3bc0b0a526 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -505,8 +505,10 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx,
struct spi_message *msg)
{
struct spi_device *spi = msg->spi;
+ struct spi_transfer *xfer;
u32 ctrl = MX51_ECSPI_CTRL_ENABLE;
- u32 testreg;
+ u32 min_speed_hz = ~0U;
+ u32 testreg, delay;
u32 cfg = readl(spi_imx->base + MX51_ECSPI_CONFIG);
/* set Master or Slave mode */
@@ -567,6 +569,35 @@ static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx,
writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG);
+ /*
+ * Wait until the changes in the configuration register CONFIGREG
+ * propagate into the hardware. It takes exactly one tick of the
+ * SCLK clock, but we will wait two SCLK clock just to be sure. The
+ * effect of the delay it takes for the hardware to apply changes
+ * is noticable if the SCLK clock run very slow. In such a case, if
+ * the polarity of SCLK should be inverted, the GPIO ChipSelect might
+ * be asserted before the SCLK polarity changes, which would disrupt
+ * the SPI communication as the device on the other end would consider
+ * the change of SCLK polarity as a clock tick already.
+ *
+ * Because spi_imx->spi_bus_clk is only set in bitbang prepare_message
+ * callback, iterate over all the transfers in spi_message, find the
+ * one with lowest bus frequency, and use that bus frequency for the
+ * delay calculation. In case all transfers have speed_hz == 0, then
+ * min_speed_hz is ~0 and the resulting delay is zero.
+ */
+ list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ if (!xfer->speed_hz)
+ continue;
+ min_speed_hz = min(xfer->speed_hz, min_speed_hz);
+ }
+
+ delay = (2 * 1000000) / min_speed_hz;
+ if (likely(delay < 10)) /* SCLK is faster than 100 kHz */
+ udelay(delay);
+ else /* SCLK is _very_ slow */
+ usleep_range(delay, delay + 10);
+
return 0;
}
@@ -574,7 +605,7 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
struct spi_device *spi)
{
u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL);
- u32 clk, delay;
+ u32 clk;
/* Clear BL field and set the right value */
ctrl &= ~MX51_ECSPI_CTRL_BL_MASK;
@@ -596,23 +627,6 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
- /*
- * Wait until the changes in the configuration register CONFIGREG
- * propagate into the hardware. It takes exactly one tick of the
- * SCLK clock, but we will wait two SCLK clock just to be sure. The
- * effect of the delay it takes for the hardware to apply changes
- * is noticable if the SCLK clock run very slow. In such a case, if
- * the polarity of SCLK should be inverted, the GPIO ChipSelect might
- * be asserted before the SCLK polarity changes, which would disrupt
- * the SPI communication as the device on the other end would consider
- * the change of SCLK polarity as a clock tick already.
- */
- delay = (2 * 1000000) / clk;
- if (likely(delay < 10)) /* SCLK is faster than 100 kHz */
- udelay(delay);
- else /* SCLK is _very_ slow */
- usleep_range(delay, delay + 10);
-
return 0;
}
diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
index b2c4621db34d..c208efeadd18 100644
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -785,6 +785,8 @@ static int meson_spicc_remove(struct platform_device *pdev)
clk_disable_unprepare(spicc->core);
clk_disable_unprepare(spicc->pclk);
+ spi_master_put(spicc->master);
+
return 0;
}
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index 22974277afa0..4eff3fdecdb8 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -29,21 +29,31 @@
#define FWBUFF_ALIGN_SZ 512
#define MAX_DUMP_FWSZ (48 * 1024)
+static void rtl871x_load_fw_fail(struct _adapter *adapter)
+{
+ struct usb_device *udev = adapter->dvobjpriv.pusbdev;
+ struct device *dev = &udev->dev;
+ struct device *parent = dev->parent;
+
+ complete(&adapter->rtl8712_fw_ready);
+
+ dev_err(&udev->dev, "r8712u: Firmware request failed\n");
+
+ if (parent)
+ device_lock(parent);
+
+ device_release_driver(dev);
+
+ if (parent)
+ device_unlock(parent);
+}
+
static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
{
struct _adapter *adapter = context;
if (!firmware) {
- struct usb_device *udev = adapter->dvobjpriv.pusbdev;
- struct usb_interface *usb_intf = adapter->pusb_intf;
-
- dev_err(&udev->dev, "r8712u: Firmware request failed\n");
- usb_put_dev(udev);
- usb_set_intfdata(usb_intf, NULL);
- r8712_free_drv_sw(adapter);
- adapter->dvobj_deinit(adapter);
- complete(&adapter->rtl8712_fw_ready);
- free_netdev(adapter->pnetdev);
+ rtl871x_load_fw_fail(adapter);
return;
}
adapter->fw = firmware;
diff --git a/drivers/staging/rtl8712/rtl8712_led.c b/drivers/staging/rtl8712/rtl8712_led.c
index 5901026949f2..d5fc9026b036 100644
--- a/drivers/staging/rtl8712/rtl8712_led.c
+++ b/drivers/staging/rtl8712/rtl8712_led.c
@@ -1820,3 +1820,11 @@ void LedControl871x(struct _adapter *padapter, enum LED_CTL_MODE LedAction)
break;
}
}
+
+void r8712_flush_led_works(struct _adapter *padapter)
+{
+ struct led_priv *pledpriv = &padapter->ledpriv;
+
+ flush_work(&pledpriv->SwLed0.BlinkWorkItem);
+ flush_work(&pledpriv->SwLed1.BlinkWorkItem);
+}
diff --git a/drivers/staging/rtl8712/rtl871x_led.h b/drivers/staging/rtl8712/rtl871x_led.h
index ee19c873cf01..2f0768132ad8 100644
--- a/drivers/staging/rtl8712/rtl871x_led.h
+++ b/drivers/staging/rtl8712/rtl871x_led.h
@@ -112,6 +112,7 @@ struct led_priv {
void r8712_InitSwLeds(struct _adapter *padapter);
void r8712_DeInitSwLeds(struct _adapter *padapter);
void LedControl871x(struct _adapter *padapter, enum LED_CTL_MODE LedAction);
+void r8712_flush_led_works(struct _adapter *padapter);
#endif
diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
index 23cff43437e2..cd6d9ff0bebc 100644
--- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c
+++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
@@ -224,3 +224,11 @@ void r8712_unregister_cmd_alive(struct _adapter *padapter)
}
mutex_unlock(&pwrctrl->mutex_lock);
}
+
+void r8712_flush_rwctrl_works(struct _adapter *padapter)
+{
+ struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv;
+
+ flush_work(&pwrctrl->SetPSModeWorkItem);
+ flush_work(&pwrctrl->rpwm_workitem);
+}
diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.h b/drivers/staging/rtl8712/rtl871x_pwrctrl.h
index dd5a79f90b1a..6eee6f1bdba4 100644
--- a/drivers/staging/rtl8712/rtl871x_pwrctrl.h
+++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.h
@@ -111,5 +111,6 @@ void r8712_cpwm_int_hdl(struct _adapter *padapter,
void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode,
uint smart_ps);
void r8712_set_rpwm(struct _adapter *padapter, u8 val8);
+void r8712_flush_rwctrl_works(struct _adapter *padapter);
#endif /* __RTL871X_PWRCTRL_H_ */
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index b760bc355937..17d28af0d086 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -594,35 +594,30 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf)
{
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
struct usb_device *udev = interface_to_usbdev(pusb_intf);
+ struct _adapter *padapter = netdev_priv(pnetdev);
+
+ /* never exit with a firmware callback pending */
+ wait_for_completion(&padapter->rtl8712_fw_ready);
+ usb_set_intfdata(pusb_intf, NULL);
+ release_firmware(padapter->fw);
+ if (drvpriv.drv_registered)
+ padapter->surprise_removed = true;
+ if (pnetdev->reg_state != NETREG_UNINITIALIZED)
+ unregister_netdev(pnetdev); /* will call netdev_close() */
+ r8712_flush_rwctrl_works(padapter);
+ r8712_flush_led_works(padapter);
+ udelay(1);
+ /* Stop driver mlme relation timer */
+ r8712_stop_drv_timers(padapter);
+ r871x_dev_unload(padapter);
+ r8712_free_drv_sw(padapter);
+ free_netdev(pnetdev);
+
+ /* decrease the reference count of the usb device structure
+ * when disconnect
+ */
+ usb_put_dev(udev);
- if (pnetdev) {
- struct _adapter *padapter = netdev_priv(pnetdev);
-
- /* never exit with a firmware callback pending */
- wait_for_completion(&padapter->rtl8712_fw_ready);
- pnetdev = usb_get_intfdata(pusb_intf);
- usb_set_intfdata(pusb_intf, NULL);
- if (!pnetdev)
- goto firmware_load_fail;
- release_firmware(padapter->fw);
- if (drvpriv.drv_registered)
- padapter->surprise_removed = true;
- if (pnetdev->reg_state != NETREG_UNINITIALIZED)
- unregister_netdev(pnetdev); /* will call netdev_close() */
- flush_scheduled_work();
- udelay(1);
- /* Stop driver mlme relation timer */
- r8712_stop_drv_timers(padapter);
- r871x_dev_unload(padapter);
- r8712_free_drv_sw(padapter);
- free_netdev(pnetdev);
-
- /* decrease the reference count of the usb device structure
- * when disconnect
- */
- usb_put_dev(udev);
- }
-firmware_load_fail:
/* If we didn't unplug usb dongle and remove/insert module, driver
* fails on sitesurvey for the first time when device is up.
* Reset usb port for sitesurvey fail issue.
diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 369f55d11519..31cbcdeac14a 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -989,6 +989,8 @@ void sd_int_dpc(struct adapter *adapter)
} else {
rtw_c2h_wk_cmd(adapter, (u8 *)c2h_evt);
}
+ } else {
+ kfree(c2h_evt);
}
} else {
/* Error handling for malloc fail */
diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c
index 0790de29f0ca..1231ce56e712 100644
--- a/drivers/tee/optee/call.c
+++ b/drivers/tee/optee/call.c
@@ -413,11 +413,13 @@ void optee_enable_shm_cache(struct optee *optee)
}
/**
- * optee_disable_shm_cache() - Disables caching of some shared memory allocation
- * in OP-TEE
+ * __optee_disable_shm_cache() - Disables caching of some shared memory
+ * allocation in OP-TEE
* @optee: main service struct
+ * @is_mapped: true if the cached shared memory addresses were mapped by this
+ * kernel, are safe to dereference, and should be freed
*/
-void optee_disable_shm_cache(struct optee *optee)
+static void __optee_disable_shm_cache(struct optee *optee, bool is_mapped)
{
struct optee_call_waiter w;
@@ -436,6 +438,13 @@ void optee_disable_shm_cache(struct optee *optee)
if (res.result.status == OPTEE_SMC_RETURN_OK) {
struct tee_shm *shm;
+ /*
+ * Shared memory references that were not mapped by
+ * this kernel must be ignored to prevent a crash.
+ */
+ if (!is_mapped)
+ continue;
+
shm = reg_pair_to_ptr(res.result.shm_upper32,
res.result.shm_lower32);
tee_shm_free(shm);
@@ -446,6 +455,27 @@ void optee_disable_shm_cache(struct optee *optee)
optee_cq_wait_final(&optee->call_queue, &w);
}
+/**
+ * optee_disable_shm_cache() - Disables caching of mapped shared memory
+ * allocations in OP-TEE
+ * @optee: main service struct
+ */
+void optee_disable_shm_cache(struct optee *optee)
+{
+ return __optee_disable_shm_cache(optee, true);
+}
+
+/**
+ * optee_disable_unmapped_shm_cache() - Disables caching of shared memory
+ * allocations in OP-TEE which are not
+ * currently mapped
+ * @optee: main service struct
+ */
+void optee_disable_unmapped_shm_cache(struct optee *optee)
+{
+ return __optee_disable_shm_cache(optee, false);
+}
+
#define PAGELIST_ENTRIES_PER_PAGE \
((OPTEE_MSG_NONCONTIG_PAGE_SIZE / sizeof(u64)) - 1)
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 63542c1cc291..7b17248f1527 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -6,6 +6,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/arm-smccc.h>
+#include <linux/crash_dump.h>
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/module.h>
@@ -572,6 +573,13 @@ static optee_invoke_fn *get_invoke_func(struct device *dev)
return ERR_PTR(-EINVAL);
}
+/* optee_remove - Device Removal Routine
+ * @pdev: platform device information struct
+ *
+ * optee_remove is called by platform subsystem to alert the driver
+ * that it should release the device
+ */
+
static int optee_remove(struct platform_device *pdev)
{
struct optee *optee = platform_get_drvdata(pdev);
@@ -602,6 +610,18 @@ static int optee_remove(struct platform_device *pdev)
return 0;
}
+/* optee_shutdown - Device Removal Routine
+ * @pdev: platform device information struct
+ *
+ * platform_shutdown is called by the platform subsystem to alert
+ * the driver that a shutdown, reboot, or kexec is happening and
+ * device must be disabled.
+ */
+static void optee_shutdown(struct platform_device *pdev)
+{
+ optee_disable_shm_cache(platform_get_drvdata(pdev));
+}
+
static int optee_probe(struct platform_device *pdev)
{
optee_invoke_fn *invoke_fn;
@@ -612,6 +632,16 @@ static int optee_probe(struct platform_device *pdev)
u32 sec_caps;
int rc;
+ /*
+ * The kernel may have crashed at the same time that all available
+ * secure world threads were suspended and we cannot reschedule the
+ * suspended threads without access to the crashed kernel's wait_queue.
+ * Therefore, we cannot reliably initialize the OP-TEE driver in the
+ * kdump kernel.
+ */
+ if (is_kdump_kernel())
+ return -ENODEV;
+
invoke_fn = get_invoke_func(&pdev->dev);
if (IS_ERR(invoke_fn))
return PTR_ERR(invoke_fn);
@@ -686,6 +716,15 @@ static int optee_probe(struct platform_device *pdev)
optee->memremaped_shm = memremaped_shm;
optee->pool = pool;
+ /*
+ * Ensure that there are no pre-existing shm objects before enabling
+ * the shm cache so that there's no chance of receiving an invalid
+ * address during shutdown. This could occur, for example, if we're
+ * kexec booting from an older kernel that did not properly cleanup the
+ * shm cache.
+ */
+ optee_disable_unmapped_shm_cache(optee);
+
optee_enable_shm_cache(optee);
if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM)
@@ -728,6 +767,7 @@ MODULE_DEVICE_TABLE(of, optee_dt_match);
static struct platform_driver optee_driver = {
.probe = optee_probe,
.remove = optee_remove,
+ .shutdown = optee_shutdown,
.driver = {
.name = "optee",
.of_match_table = optee_dt_match,
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h
index e25b216a14ef..dbdd367be156 100644
--- a/drivers/tee/optee/optee_private.h
+++ b/drivers/tee/optee/optee_private.h
@@ -159,6 +159,7 @@ int optee_cancel_req(struct tee_context *ctx, u32 cancel_id, u32 session);
void optee_enable_shm_cache(struct optee *optee);
void optee_disable_shm_cache(struct optee *optee);
+void optee_disable_unmapped_shm_cache(struct optee *optee);
int optee_shm_register(struct tee_context *ctx, struct tee_shm *shm,
struct page **pages, size_t num_pages,
diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c
index d767eebf30bd..da06ce9b9313 100644
--- a/drivers/tee/optee/shm_pool.c
+++ b/drivers/tee/optee/shm_pool.c
@@ -32,8 +32,10 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm,
struct page **pages;
pages = kcalloc(nr_pages, sizeof(pages), GFP_KERNEL);
- if (!pages)
- return -ENOMEM;
+ if (!pages) {
+ rc = -ENOMEM;
+ goto err;
+ }
for (i = 0; i < nr_pages; i++) {
pages[i] = page;
@@ -44,8 +46,14 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm,
rc = optee_shm_register(shm->ctx, shm, pages, nr_pages,
(unsigned long)shm->kaddr);
kfree(pages);
+ if (rc)
+ goto err;
}
+ return 0;
+
+err:
+ __free_pages(page, order);
return rc;
}
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
index 00472f5ce22e..c65e44707cd6 100644
--- a/drivers/tee/tee_shm.c
+++ b/drivers/tee/tee_shm.c
@@ -193,6 +193,24 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags)
}
EXPORT_SYMBOL_GPL(tee_shm_alloc);
+/**
+ * tee_shm_alloc_kernel_buf() - Allocate shared memory for kernel buffer
+ * @ctx: Context that allocates the shared memory
+ * @size: Requested size of shared memory
+ *
+ * The returned memory registered in secure world and is suitable to be
+ * passed as a memory buffer in parameter argument to
+ * tee_client_invoke_func(). The memory allocated is later freed with a
+ * call to tee_shm_free().
+ *
+ * @returns a pointer to 'struct tee_shm'
+ */
+struct tee_shm *tee_shm_alloc_kernel_buf(struct tee_context *ctx, size_t size)
+{
+ return tee_shm_alloc(ctx, size, TEE_SHM_MAPPED | TEE_SHM_DMA_BUF);
+}
+EXPORT_SYMBOL_GPL(tee_shm_alloc_kernel_buf);
+
struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr,
size_t length, u32 flags)
{
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index f7d3023f860f..fb65dc601b23 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -93,10 +93,13 @@ static void mtk8250_dma_rx_complete(void *param)
struct dma_tx_state state;
int copied, total, cnt;
unsigned char *ptr;
+ unsigned long flags;
if (data->rx_status == DMA_RX_SHUTDOWN)
return;
+ spin_lock_irqsave(&up->port.lock, flags);
+
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
total = dma->rx_size - state.residue;
cnt = total;
@@ -120,6 +123,8 @@ static void mtk8250_dma_rx_complete(void *param)
tty_flip_buffer_push(tty_port);
mtk8250_rx_dma(up);
+
+ spin_unlock_irqrestore(&up->port.lock, flags);
}
static void mtk8250_rx_dma(struct uart_8250_port *up)
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 13929ab64dce..39f9ea24e316 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3804,6 +3804,12 @@ static const struct pci_device_id blacklist[] = {
{ PCI_VDEVICE(INTEL, 0x0f0c), },
{ PCI_VDEVICE(INTEL, 0x228a), },
{ PCI_VDEVICE(INTEL, 0x228c), },
+ { PCI_VDEVICE(INTEL, 0x4b96), },
+ { PCI_VDEVICE(INTEL, 0x4b97), },
+ { PCI_VDEVICE(INTEL, 0x4b98), },
+ { PCI_VDEVICE(INTEL, 0x4b99), },
+ { PCI_VDEVICE(INTEL, 0x4b9a), },
+ { PCI_VDEVICE(INTEL, 0x4b9b), },
{ PCI_VDEVICE(INTEL, 0x9ce3), },
{ PCI_VDEVICE(INTEL, 0x9ce4), },
@@ -3964,6 +3970,7 @@ pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board)
if (pci_match_id(pci_use_msi, dev)) {
dev_dbg(&dev->dev, "Using MSI(-X) interrupts\n");
pci_set_master(dev);
+ uart.port.flags &= ~UPF_SHARE_IRQ;
rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
} else {
dev_dbg(&dev->dev, "Using legacy interrupts\n");
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 6d9c494bed7d..3de0a16e055a 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -311,7 +311,11 @@ static const struct serial8250_config uart_config[] = {
/* Uart divisor latch read */
static int default_serial_dl_read(struct uart_8250_port *up)
{
- return serial_in(up, UART_DLL) | serial_in(up, UART_DLM) << 8;
+ /* Assign these in pieces to truncate any bits above 7. */
+ unsigned char dll = serial_in(up, UART_DLL);
+ unsigned char dlm = serial_in(up, UART_DLM);
+
+ return dll | dlm << 8;
}
/* Uart divisor latch write */
@@ -1297,9 +1301,11 @@ static void autoconfig(struct uart_8250_port *up)
serial_out(up, UART_LCR, 0);
serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO);
- scratch = serial_in(up, UART_IIR) >> 6;
- switch (scratch) {
+ /* Assign this as it is to truncate any bits above 7. */
+ scratch = serial_in(up, UART_IIR);
+
+ switch (scratch >> 6) {
case 0:
autoconfig_8250(up);
break;
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index fdce1a799592..26fa69609ee5 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1040,9 +1040,11 @@ static int tegra_uart_hw_init(struct tegra_uart_port *tup)
if (tup->cdata->fifo_mode_enable_status) {
ret = tegra_uart_wait_fifo_mode_enabled(tup);
- dev_err(tup->uport.dev, "FIFO mode not enabled\n");
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(tup->uport.dev,
+ "Failed to enable FIFO mode: %d\n", ret);
return ret;
+ }
} else {
/*
* For all tegra devices (up to t210), there is a hardware
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index d3121a32cc68..30d3516c7f98 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -731,6 +731,7 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
request->actual = 0;
priv_dev->status_completion_no_call = true;
priv_dev->pending_status_request = request;
+ usb_gadget_set_state(&priv_dev->gadget, USB_STATE_CONFIGURED);
spin_unlock_irqrestore(&priv_dev->lock, flags);
/*
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index b222b777e6a4..58274c507353 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -2283,17 +2283,10 @@ static void usbtmc_interrupt(struct urb *urb)
dev_err(dev, "overflow with length %d, actual length is %d\n",
data->iin_wMaxPacketSize, urb->actual_length);
fallthrough;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- case -EILSEQ:
- case -ETIME:
- case -EPIPE:
+ default:
/* urb terminated, clean up */
dev_dbg(dev, "urb terminated, status: %d\n", status);
return;
- default:
- dev_err(dev, "unknown status received: %d\n", status);
}
exit:
rv = usb_submit_urb(urb, GFP_ATOMIC);
diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
index 3740cf95560e..0697fde51d00 100644
--- a/drivers/usb/common/usb-otg-fsm.c
+++ b/drivers/usb/common/usb-otg-fsm.c
@@ -193,7 +193,11 @@ static void otg_start_hnp_polling(struct otg_fsm *fsm)
if (!fsm->host_req_flag)
return;
- INIT_DELAYED_WORK(&fsm->hnp_polling_work, otg_hnp_polling_work);
+ if (!fsm->hnp_work_inited) {
+ INIT_DELAYED_WORK(&fsm->hnp_polling_work, otg_hnp_polling_work);
+ fsm->hnp_work_inited = true;
+ }
+
schedule_delayed_work(&fsm->hnp_polling_work,
msecs_to_jiffies(T_HOST_REQ_POLL));
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 14a7c05abfe8..756839e0e91d 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2131,6 +2131,17 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
}
}
+ /*
+ * Avoid issuing a runtime resume if the device is already in the
+ * suspended state during gadget disconnect. DWC3 gadget was already
+ * halted/stopped during runtime suspend.
+ */
+ if (!is_on) {
+ pm_runtime_barrier(dwc->dev);
+ if (pm_runtime_suspended(dwc->dev))
+ return 0;
+ }
+
/*
* Check the return value for successful resume, or error. For a
* successful resume, the DWC3 runtime PM resume routine will handle
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index a82b3de1a54b..6742271cd6e6 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -41,6 +41,7 @@ struct f_hidg {
unsigned char bInterfaceSubClass;
unsigned char bInterfaceProtocol;
unsigned char protocol;
+ unsigned char idle;
unsigned short report_desc_length;
char *report_desc;
unsigned short report_length;
@@ -338,6 +339,11 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
spin_lock_irqsave(&hidg->write_spinlock, flags);
+ if (!hidg->req) {
+ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+ return -ESHUTDOWN;
+ }
+
#define WRITE_COND (!hidg->write_pending)
try_again:
/* write queue */
@@ -358,8 +364,14 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
count = min_t(unsigned, count, hidg->report_length);
spin_unlock_irqrestore(&hidg->write_spinlock, flags);
- status = copy_from_user(req->buf, buffer, count);
+ if (!req) {
+ ERROR(hidg->func.config->cdev, "hidg->req is NULL\n");
+ status = -ESHUTDOWN;
+ goto release_write_pending;
+ }
+
+ status = copy_from_user(req->buf, buffer, count);
if (status != 0) {
ERROR(hidg->func.config->cdev,
"copy_from_user error\n");
@@ -387,14 +399,17 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+ if (!hidg->in_ep->enabled) {
+ ERROR(hidg->func.config->cdev, "in_ep is disabled\n");
+ status = -ESHUTDOWN;
+ goto release_write_pending;
+ }
+
status = usb_ep_queue(hidg->in_ep, req, GFP_ATOMIC);
- if (status < 0) {
- ERROR(hidg->func.config->cdev,
- "usb_ep_queue error on int endpoint %zd\n", status);
+ if (status < 0)
goto release_write_pending;
- } else {
+ else
status = count;
- }
return status;
release_write_pending:
@@ -523,6 +538,14 @@ static int hidg_setup(struct usb_function *f,
goto respond;
break;
+ case ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
+ | HID_REQ_GET_IDLE):
+ VDBG(cdev, "get_idle\n");
+ length = min_t(unsigned int, length, 1);
+ ((u8 *) req->buf)[0] = hidg->idle;
+ goto respond;
+ break;
+
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
| HID_REQ_SET_REPORT):
VDBG(cdev, "set_report | wLength=%d\n", ctrl->wLength);
@@ -546,6 +569,14 @@ static int hidg_setup(struct usb_function *f,
goto stall;
break;
+ case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
+ | HID_REQ_SET_IDLE):
+ VDBG(cdev, "set_idle\n");
+ length = 0;
+ hidg->idle = value >> 8;
+ goto respond;
+ break;
+
case ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8
| USB_REQ_GET_DESCRIPTOR):
switch (value >> 8) {
@@ -773,6 +804,7 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
hidg->protocol = HID_REPORT_PROTOCOL;
+ hidg->idle = 1;
hidg_ss_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_ss_in_comp_desc.wBytesPerInterval =
cpu_to_le16(hidg->report_length);
diff --git a/drivers/usb/gadget/udc/max3420_udc.c b/drivers/usb/gadget/udc/max3420_udc.c
index 35179543c327..91c9e9057cff 100644
--- a/drivers/usb/gadget/udc/max3420_udc.c
+++ b/drivers/usb/gadget/udc/max3420_udc.c
@@ -1260,12 +1260,14 @@ static int max3420_probe(struct spi_device *spi)
err = devm_request_irq(&spi->dev, irq, max3420_irq_handler, 0,
"max3420", udc);
if (err < 0)
- return err;
+ goto del_gadget;
udc->thread_task = kthread_create(max3420_thread, udc,
"max3420-thread");
- if (IS_ERR(udc->thread_task))
- return PTR_ERR(udc->thread_task);
+ if (IS_ERR(udc->thread_task)) {
+ err = PTR_ERR(udc->thread_task);
+ goto del_gadget;
+ }
irq = of_irq_get_byname(spi->dev.of_node, "vbus");
if (irq <= 0) { /* no vbus irq implies self-powered design */
@@ -1285,10 +1287,14 @@ static int max3420_probe(struct spi_device *spi)
err = devm_request_irq(&spi->dev, irq,
max3420_vbus_handler, 0, "vbus", udc);
if (err < 0)
- return err;
+ goto del_gadget;
}
return 0;
+
+del_gadget:
+ usb_del_gadget_udc(&udc->gadget);
+ return err;
}
static int max3420_remove(struct spi_device *spi)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 0487a4b0501e..99e994fd3d1d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -606,8 +606,6 @@ ohci_hcd_at91_drv_suspend(struct device *dev)
if (ohci_at91->wakeup)
enable_irq_wake(hcd->irq);
- ohci_at91_port_suspend(ohci_at91->sfr_regmap, 1);
-
ret = ohci_suspend(hcd, ohci_at91->wakeup);
if (ret) {
if (ohci_at91->wakeup)
@@ -627,7 +625,10 @@ ohci_hcd_at91_drv_suspend(struct device *dev)
/* flush the writes */
(void) ohci_readl (ohci, &ohci->regs->control);
msleep(1);
+ ohci_at91_port_suspend(ohci_at91->sfr_regmap, 1);
at91_stop_clock(ohci_at91);
+ } else {
+ ohci_at91_port_suspend(ohci_at91->sfr_regmap, 1);
}
return ret;
@@ -639,6 +640,8 @@ ohci_hcd_at91_drv_resume(struct device *dev)
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ohci_at91_priv *ohci_at91 = hcd_to_ohci_at91_priv(hcd);
+ ohci_at91_port_suspend(ohci_at91->sfr_regmap, 0);
+
if (ohci_at91->wakeup)
disable_irq_wake(hcd->irq);
else
@@ -646,8 +649,6 @@ ohci_hcd_at91_drv_resume(struct device *dev)
ohci_resume(hcd, false);
- ohci_at91_port_suspend(ohci_at91->sfr_regmap, 0);
-
return 0;
}
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index f26861246f65..119b7b6e1ada 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -853,6 +853,7 @@ static struct usb_serial_driver ch341_device = {
.owner = THIS_MODULE,
.name = "ch341-uart",
},
+ .bulk_in_size = 512,
.id_table = id_table,
.num_ports = 1,
.open = ch341_open,
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1aef9b1e1c4e..dfcf79bdfddc 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -219,6 +219,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
{ USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_AUTO_M3_OP_COM_V2_PID) },
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index add602bebd82..755858ca20ba 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -159,6 +159,9 @@
/* Vardaan Enterprises Serial Interface VEUSB422R3 */
#define FTDI_VARDAAN_PID 0xF070
+/* Auto-M3 Ltd. - OP-COM USB V2 - OBD interface Adapter */
+#define FTDI_AUTO_M3_OP_COM_V2_PID 0x4f50
+
/*
* Xsens Technologies BV products (http://www.xsens.com).
*/
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 39333f2cba04..2b85e0e9bffd 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1203,6 +1203,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1055, 0xff), /* Telit FN980 (PCIe) */
.driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */
+ .driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 61929d37d7fc..0b08dd3b19eb 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -4314,7 +4314,7 @@ EXPORT_SYMBOL_GPL(tcpm_pd_hard_reset);
void tcpm_sink_frs(struct tcpm_port *port)
{
spin_lock(&port->pd_event_lock);
- port->pd_events = TCPM_FRS_EVENT;
+ port->pd_events |= TCPM_FRS_EVENT;
spin_unlock(&port->pd_event_lock);
kthread_queue_work(port->wq, &port->event_work);
}
@@ -4323,7 +4323,7 @@ EXPORT_SYMBOL_GPL(tcpm_sink_frs);
void tcpm_sourcing_vbus(struct tcpm_port *port)
{
spin_lock(&port->pd_event_lock);
- port->pd_events = TCPM_SOURCING_VBUS;
+ port->pd_events |= TCPM_SOURCING_VBUS;
spin_unlock(&port->pd_event_lock);
kthread_queue_work(port->wq, &port->event_work);
}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 81e087723777..fdb1d660bd13 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -3466,7 +3466,8 @@ static int smb3_simple_fallocate_write_range(unsigned int xid,
char *buf)
{
struct cifs_io_parms io_parms = {0};
- int rc, nbytes;
+ int nbytes;
+ int rc = 0;
struct kvec iov[2];
io_parms.netfid = cfile->fid.netfid;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index ab7baf529917..f71de6c1ecf4 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2412,7 +2412,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
goto journal_error;
err = ext4_handle_dirty_dx_node(handle, dir,
frame->bh);
- if (err)
+ if (restart || err)
goto journal_error;
} else {
struct dx_root *dxroot;
diff --git a/fs/pipe.c b/fs/pipe.c
index 6f5f97c0fdee..28b2e973f10e 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -31,6 +31,21 @@
#include "internal.h"
+/*
+ * New pipe buffers will be restricted to this size while the user is exceeding
+ * their pipe buffer quota. The general pipe use case needs at least two
+ * buffers: one for data yet to be read, and one for new data. If this is less
+ * than two, then a write to a non-empty pipe may block even if the pipe is not
+ * full. This can occur with GNU make jobserver or similar uses of pipes as
+ * semaphores: multiple processes may be waiting to write tokens back to the
+ * pipe before reading tokens: https://lore.kernel.org/lkml/1628086770.5rn8p04n6j.none@localhost/.
+ *
+ * Users can reduce their pipe buffers with F_SETPIPE_SZ below this at their
+ * own risk, namely: pipe writes to non-full pipes may block until the pipe is
+ * emptied.
+ */
+#define PIPE_MIN_DEF_BUFFERS 2
+
/*
* The max size that a non-root user is allowed to grow the pipe. Can
* be set by root in /proc/sys/fs/pipe-max-size
@@ -781,8 +796,8 @@ struct pipe_inode_info *alloc_pipe_info(void)
user_bufs = account_pipe_buffers(user, 0, pipe_bufs);
if (too_many_pipe_buffers_soft(user_bufs) && pipe_is_unprivileged_user()) {
- user_bufs = account_pipe_buffers(user, pipe_bufs, 1);
- pipe_bufs = 1;
+ user_bufs = account_pipe_buffers(user, pipe_bufs, PIPE_MIN_DEF_BUFFERS);
+ pipe_bufs = PIPE_MIN_DEF_BUFFERS;
}
if (too_many_pipe_buffers_hard(user_bufs) && pipe_is_unprivileged_user())
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 476a7ff49482..ef42729216d1 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -387,6 +387,24 @@ void pathrelse(struct treepath *search_path)
search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
}
+static int has_valid_deh_location(struct buffer_head *bh, struct item_head *ih)
+{
+ struct reiserfs_de_head *deh;
+ int i;
+
+ deh = B_I_DEH(bh, ih);
+ for (i = 0; i < ih_entry_count(ih); i++) {
+ if (deh_location(&deh[i]) > ih_item_len(ih)) {
+ reiserfs_warning(NULL, "reiserfs-5094",
+ "directory entry location seems wrong %h",
+ &deh[i]);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
static int is_leaf(char *buf, int blocksize, struct buffer_head *bh)
{
struct block_head *blkh;
@@ -454,11 +472,14 @@ static int is_leaf(char *buf, int blocksize, struct buffer_head *bh)
"(second one): %h", ih);
return 0;
}
- if (is_direntry_le_ih(ih) && (ih_item_len(ih) < (ih_entry_count(ih) * IH_SIZE))) {
- reiserfs_warning(NULL, "reiserfs-5093",
- "item entry count seems wrong %h",
- ih);
- return 0;
+ if (is_direntry_le_ih(ih)) {
+ if (ih_item_len(ih) < (ih_entry_count(ih) * IH_SIZE)) {
+ reiserfs_warning(NULL, "reiserfs-5093",
+ "item entry count seems wrong %h",
+ ih);
+ return 0;
+ }
+ return has_valid_deh_location(bh, ih);
}
prev_location = ih_location(ih);
}
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 1b9c7a387dc7..913f5af9bf24 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2082,6 +2082,14 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
unlock_new_inode(root_inode);
}
+ if (!S_ISDIR(root_inode->i_mode) || !inode_get_bytes(root_inode) ||
+ !root_inode->i_size) {
+ SWARN(silent, s, "", "corrupt root inode, run fsck");
+ iput(root_inode);
+ errval = -EUCLEAN;
+ goto error;
+ }
+
s->s_root = d_make_root(root_inode);
if (!s->s_root)
goto error;
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index cdd049a724b1..9b24cc3d3024 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -332,6 +332,7 @@ void *tee_get_drvdata(struct tee_device *teedev);
* @returns a pointer to 'struct tee_shm'
*/
struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags);
+struct tee_shm *tee_shm_alloc_kernel_buf(struct tee_context *ctx, size_t size);
/**
* tee_shm_register() - Register shared memory buffer
diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
index e78eb577d0fa..8ef7d148c149 100644
--- a/include/linux/usb/otg-fsm.h
+++ b/include/linux/usb/otg-fsm.h
@@ -196,6 +196,7 @@ struct otg_fsm {
struct mutex lock;
u8 *host_req_flag;
struct delayed_work hnp_polling_work;
+ bool hnp_work_inited;
bool state_changed;
};
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index e534dff2874e..a592a826e2fb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1189,6 +1189,7 @@ struct hci_dev *hci_alloc_dev(void);
void hci_free_dev(struct hci_dev *hdev);
int hci_register_dev(struct hci_dev *hdev);
void hci_unregister_dev(struct hci_dev *hdev);
+void hci_cleanup_dev(struct hci_dev *hdev);
int hci_suspend_dev(struct hci_dev *hdev);
int hci_resume_dev(struct hci_dev *hdev);
int hci_reset_dev(struct hci_dev *hdev);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 42fe4e1b6a8c..44969d03debf 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -264,7 +264,7 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb)
{
- int mtu;
+ unsigned int mtu;
struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ?
inet6_sk(skb->sk) : NULL;
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index b59d73d529ba..22e1bc72b979 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -74,6 +74,7 @@ struct netns_xfrm {
#endif
spinlock_t xfrm_state_lock;
seqcount_t xfrm_state_hash_generation;
+ seqcount_spinlock_t xfrm_policy_hash_generation;
spinlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 679562d2f55d..84c105902027 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1598,12 +1598,18 @@ void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
dequeue_task(rq, p, flags);
}
-/*
- * __normal_prio - return the priority that is based on the static prio
- */
-static inline int __normal_prio(struct task_struct *p)
+static inline int __normal_prio(int policy, int rt_prio, int nice)
{
- return p->static_prio;
+ int prio;
+
+ if (dl_policy(policy))
+ prio = MAX_DL_PRIO - 1;
+ else if (rt_policy(policy))
+ prio = MAX_RT_PRIO - 1 - rt_prio;
+ else
+ prio = NICE_TO_PRIO(nice);
+
+ return prio;
}
/*
@@ -1615,15 +1621,7 @@ static inline int __normal_prio(struct task_struct *p)
*/
static inline int normal_prio(struct task_struct *p)
{
- int prio;
-
- if (task_has_dl_policy(p))
- prio = MAX_DL_PRIO-1;
- else if (task_has_rt_policy(p))
- prio = MAX_RT_PRIO-1 - p->rt_priority;
- else
- prio = __normal_prio(p);
- return prio;
+ return __normal_prio(p->policy, p->rt_priority, PRIO_TO_NICE(p->static_prio));
}
/*
@@ -3248,7 +3246,7 @@ int sched_fork(unsigned long clone_flags, struct task_struct *p)
} else if (PRIO_TO_NICE(p->static_prio) < 0)
p->static_prio = NICE_TO_PRIO(0);
- p->prio = p->normal_prio = __normal_prio(p);
+ p->prio = p->normal_prio = p->static_prio;
set_load_weight(p, false);
/*
@@ -4799,6 +4797,18 @@ int default_wake_function(wait_queue_entry_t *curr, unsigned mode, int wake_flag
}
EXPORT_SYMBOL(default_wake_function);
+static void __setscheduler_prio(struct task_struct *p, int prio)
+{
+ if (dl_prio(prio))
+ p->sched_class = &dl_sched_class;
+ else if (rt_prio(prio))
+ p->sched_class = &rt_sched_class;
+ else
+ p->sched_class = &fair_sched_class;
+
+ p->prio = prio;
+}
+
#ifdef CONFIG_RT_MUTEXES
static inline int __rt_effective_prio(struct task_struct *pi_task, int prio)
@@ -4914,22 +4924,19 @@ void rt_mutex_setprio(struct task_struct *p, struct task_struct *pi_task)
} else {
p->dl.pi_se = &p->dl;
}
- p->sched_class = &dl_sched_class;
} else if (rt_prio(prio)) {
if (dl_prio(oldprio))
p->dl.pi_se = &p->dl;
if (oldprio < prio)
queue_flag |= ENQUEUE_HEAD;
- p->sched_class = &rt_sched_class;
} else {
if (dl_prio(oldprio))
p->dl.pi_se = &p->dl;
if (rt_prio(oldprio))
p->rt.timeout = 0;
- p->sched_class = &fair_sched_class;
}
- p->prio = prio;
+ __setscheduler_prio(p, prio);
if (queued)
enqueue_task(rq, p, queue_flag);
@@ -5162,35 +5169,6 @@ static void __setscheduler_params(struct task_struct *p,
set_load_weight(p, true);
}
-/* Actually do priority change: must hold pi & rq lock. */
-static void __setscheduler(struct rq *rq, struct task_struct *p,
- const struct sched_attr *attr, bool keep_boost)
-{
- /*
- * If params can't change scheduling class changes aren't allowed
- * either.
- */
- if (attr->sched_flags & SCHED_FLAG_KEEP_PARAMS)
- return;
-
- __setscheduler_params(p, attr);
-
- /*
- * Keep a potential priority boosting if called from
- * sched_setscheduler().
- */
- p->prio = normal_prio(p);
- if (keep_boost)
- p->prio = rt_effective_prio(p, p->prio);
-
- if (dl_prio(p->prio))
- p->sched_class = &dl_sched_class;
- else if (rt_prio(p->prio))
- p->sched_class = &rt_sched_class;
- else
- p->sched_class = &fair_sched_class;
-}
-
/*
* Check the target process has a UID that matches the current process's:
*/
@@ -5211,10 +5189,8 @@ static int __sched_setscheduler(struct task_struct *p,
const struct sched_attr *attr,
bool user, bool pi)
{
- int newprio = dl_policy(attr->sched_policy) ? MAX_DL_PRIO - 1 :
- MAX_RT_PRIO - 1 - attr->sched_priority;
- int retval, oldprio, oldpolicy = -1, queued, running;
- int new_effective_prio, policy = attr->sched_policy;
+ int oldpolicy = -1, policy = attr->sched_policy;
+ int retval, oldprio, newprio, queued, running;
const struct sched_class *prev_class;
struct rq_flags rf;
int reset_on_fork;
@@ -5412,6 +5388,7 @@ static int __sched_setscheduler(struct task_struct *p,
p->sched_reset_on_fork = reset_on_fork;
oldprio = p->prio;
+ newprio = __normal_prio(policy, attr->sched_priority, attr->sched_nice);
if (pi) {
/*
* Take priority boosted tasks into account. If the new
@@ -5420,8 +5397,8 @@ static int __sched_setscheduler(struct task_struct *p,
* the runqueue. This will be done when the task deboost
* itself.
*/
- new_effective_prio = rt_effective_prio(p, newprio);
- if (new_effective_prio == oldprio)
+ newprio = rt_effective_prio(p, newprio);
+ if (newprio == oldprio)
queue_flags &= ~DEQUEUE_MOVE;
}
@@ -5434,7 +5411,10 @@ static int __sched_setscheduler(struct task_struct *p,
prev_class = p->sched_class;
- __setscheduler(rq, p, attr, pi);
+ if (!(attr->sched_flags & SCHED_FLAG_KEEP_PARAMS)) {
+ __setscheduler_params(p, attr);
+ __setscheduler_prio(p, newprio);
+ }
__setscheduler_uclamp(p, attr);
if (queued) {
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index aa96b8a4e508..a3ec21be3b14 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1265,8 +1265,10 @@ static inline void timer_base_unlock_expiry(struct timer_base *base)
static void timer_sync_wait_running(struct timer_base *base)
{
if (atomic_read(&base->timer_waiters)) {
+ raw_spin_unlock_irq(&base->lock);
spin_unlock(&base->expiry_lock);
spin_lock(&base->expiry_lock);
+ raw_spin_lock_irq(&base->lock);
}
}
@@ -1450,14 +1452,14 @@ static void expire_timers(struct timer_base *base, struct hlist_head *head)
if (timer->flags & TIMER_IRQSAFE) {
raw_spin_unlock(&base->lock);
call_timer_fn(timer, fn, baseclk);
- base->running_timer = NULL;
raw_spin_lock(&base->lock);
+ base->running_timer = NULL;
} else {
raw_spin_unlock_irq(&base->lock);
call_timer_fn(timer, fn, baseclk);
+ raw_spin_lock_irq(&base->lock);
base->running_timer = NULL;
timer_sync_wait_running(base);
- raw_spin_lock_irq(&base->lock);
}
}
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 625034c44d5f..e4f154119e52 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -8683,8 +8683,10 @@ static int trace_array_create_dir(struct trace_array *tr)
return -EINVAL;
ret = event_trace_add_tracer(tr->dir, tr);
- if (ret)
+ if (ret) {
tracefs_remove(tr->dir);
+ return ret;
+ }
init_tracer_tracefs(tr, tr->dir);
__update_tracer_options(tr);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 379eade0c083..75529b311769 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -65,7 +65,8 @@
C(INVALID_SORT_MODIFIER,"Invalid sort modifier"), \
C(EMPTY_SORT_FIELD, "Empty sort field"), \
C(TOO_MANY_SORT_FIELDS, "Too many sort fields (Max = 2)"), \
- C(INVALID_SORT_FIELD, "Sort field must be a key or a val"),
+ C(INVALID_SORT_FIELD, "Sort field must be a key or a val"), \
+ C(INVALID_STR_OPERAND, "String type can not be an operand in expression"),
#undef C
#define C(a, b) HIST_ERR_##a
@@ -2140,6 +2141,13 @@ static struct hist_field *parse_unary(struct hist_trigger_data *hist_data,
ret = PTR_ERR(operand1);
goto free;
}
+ if (operand1->flags & HIST_FIELD_FL_STRING) {
+ /* String type can not be the operand of unary operator. */
+ hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(str));
+ destroy_hist_field(operand1, 0);
+ ret = -EINVAL;
+ goto free;
+ }
expr->flags |= operand1->flags &
(HIST_FIELD_FL_TIMESTAMP | HIST_FIELD_FL_TIMESTAMP_USECS);
@@ -2241,6 +2249,11 @@ static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
operand1 = NULL;
goto free;
}
+ if (operand1->flags & HIST_FIELD_FL_STRING) {
+ hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(operand1_str));
+ ret = -EINVAL;
+ goto free;
+ }
/* rest of string could be another expression e.g. b+c in a+b+c */
operand_flags = 0;
@@ -2250,6 +2263,11 @@ static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
operand2 = NULL;
goto free;
}
+ if (operand2->flags & HIST_FIELD_FL_STRING) {
+ hist_err(file->tr, HIST_ERR_INVALID_STR_OPERAND, errpos(str));
+ ret = -EINVAL;
+ goto free;
+ }
ret = check_expr_operands(file->tr, operand1, operand2);
if (ret)
@@ -2271,6 +2289,10 @@ static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
expr->operands[0] = operand1;
expr->operands[1] = operand2;
+
+ /* The operand sizes should be the same, so just pick one */
+ expr->size = operand1->size;
+
expr->operator = field_op;
expr->name = expr_str(expr, 0);
expr->type = kstrdup(operand1->type, GFP_KERNEL);
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 1f490638b2dc..d7260f6614a6 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -15,6 +15,13 @@
#include <linux/sched/task.h>
#include <linux/static_key.h>
+enum tp_func_state {
+ TP_FUNC_0,
+ TP_FUNC_1,
+ TP_FUNC_2,
+ TP_FUNC_N,
+};
+
extern tracepoint_ptr_t __start___tracepoints_ptrs[];
extern tracepoint_ptr_t __stop___tracepoints_ptrs[];
@@ -267,26 +274,29 @@ static void *func_remove(struct tracepoint_func **funcs,
return old;
}
-static void tracepoint_update_call(struct tracepoint *tp, struct tracepoint_func *tp_funcs, bool sync)
+/*
+ * Count the number of functions (enum tp_func_state) in a tp_funcs array.
+ */
+static enum tp_func_state nr_func_state(const struct tracepoint_func *tp_funcs)
+{
+ if (!tp_funcs)
+ return TP_FUNC_0;
+ if (!tp_funcs[1].func)
+ return TP_FUNC_1;
+ if (!tp_funcs[2].func)
+ return TP_FUNC_2;
+ return TP_FUNC_N; /* 3 or more */
+}
+
+static void tracepoint_update_call(struct tracepoint *tp, struct tracepoint_func *tp_funcs)
{
void *func = tp->iterator;
/* Synthetic events do not have static call sites */
if (!tp->static_call_key)
return;
-
- if (!tp_funcs[1].func) {
+ if (nr_func_state(tp_funcs) == TP_FUNC_1)
func = tp_funcs[0].func;
- /*
- * If going from the iterator back to a single caller,
- * we need to synchronize with __DO_TRACE to make sure
- * that the data passed to the callback is the one that
- * belongs to that callback.
- */
- if (sync)
- tracepoint_synchronize_unregister();
- }
-
__static_call_update(tp->static_call_key, tp->static_call_tramp, func);
}
@@ -320,9 +330,31 @@ static int tracepoint_add_func(struct tracepoint *tp,
* a pointer to it. This array is referenced by __DO_TRACE from
* include/linux/tracepoint.h using rcu_dereference_sched().
*/
- tracepoint_update_call(tp, tp_funcs, false);
- rcu_assign_pointer(tp->funcs, tp_funcs);
- static_key_enable(&tp->key);
+ switch (nr_func_state(tp_funcs)) {
+ case TP_FUNC_1: /* 0->1 */
+ /* Set static call to first function */
+ tracepoint_update_call(tp, tp_funcs);
+ /* Both iterator and static call handle NULL tp->funcs */
+ rcu_assign_pointer(tp->funcs, tp_funcs);
+ static_key_enable(&tp->key);
+ break;
+ case TP_FUNC_2: /* 1->2 */
+ /* Set iterator static call */
+ tracepoint_update_call(tp, tp_funcs);
+ /*
+ * Iterator callback installed before updating tp->funcs.
+ * Requires ordering between RCU assign/dereference and
+ * static call update/call.
+ */
+ rcu_assign_pointer(tp->funcs, tp_funcs);
+ break;
+ case TP_FUNC_N: /* N->N+1 (N>1) */
+ rcu_assign_pointer(tp->funcs, tp_funcs);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
release_probes(old);
return 0;
@@ -349,17 +381,47 @@ static int tracepoint_remove_func(struct tracepoint *tp,
/* Failed allocating new tp_funcs, replaced func with stub */
return 0;
- if (!tp_funcs) {
+ switch (nr_func_state(tp_funcs)) {
+ case TP_FUNC_0: /* 1->0 */
/* Removed last function */
if (tp->unregfunc && static_key_enabled(&tp->key))
tp->unregfunc();
static_key_disable(&tp->key);
+ /* Set iterator static call */
+ tracepoint_update_call(tp, tp_funcs);
+ /* Both iterator and static call handle NULL tp->funcs */
+ rcu_assign_pointer(tp->funcs, NULL);
+ /*
+ * Make sure new func never uses old data after a 1->0->1
+ * transition sequence.
+ * Considering that transition 0->1 is the common case
+ * and don't have rcu-sync, issue rcu-sync after
+ * transition 1->0 to break that sequence by waiting for
+ * readers to be quiescent.
+ */
+ tracepoint_synchronize_unregister();
+ break;
+ case TP_FUNC_1: /* 2->1 */
rcu_assign_pointer(tp->funcs, tp_funcs);
- } else {
+ /*
+ * On 2->1 transition, RCU sync is needed before setting
+ * static call to first callback, because the observer
+ * may have loaded any prior tp->funcs after the last one
+ * associated with an rcu-sync.
+ */
+ tracepoint_synchronize_unregister();
+ /* Set static call to first function */
+ tracepoint_update_call(tp, tp_funcs);
+ break;
+ case TP_FUNC_2: /* N->N-1 (N>2) */
+ fallthrough;
+ case TP_FUNC_N:
rcu_assign_pointer(tp->funcs, tp_funcs);
- tracepoint_update_call(tp, tp_funcs,
- tp_funcs[0].func != old[0].func);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
}
release_probes(old);
return 0;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 86ebfc6ae698..65d3f5409963 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3816,14 +3816,10 @@ EXPORT_SYMBOL(hci_register_dev);
/* Unregister HCI device */
void hci_unregister_dev(struct hci_dev *hdev)
{
- int id;
-
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
hci_dev_set_flag(hdev, HCI_UNREGISTER);
- id = hdev->id;
-
write_lock(&hci_dev_list_lock);
list_del(&hdev->list);
write_unlock(&hci_dev_list_lock);
@@ -3858,7 +3854,14 @@ void hci_unregister_dev(struct hci_dev *hdev)
}
device_del(&hdev->dev);
+ /* Actual cleanup is deferred until hci_cleanup_dev(). */
+ hci_dev_put(hdev);
+}
+EXPORT_SYMBOL(hci_unregister_dev);
+/* Cleanup HCI device */
+void hci_cleanup_dev(struct hci_dev *hdev)
+{
debugfs_remove_recursive(hdev->debugfs);
kfree_const(hdev->hw_info);
kfree_const(hdev->fw_info);
@@ -3883,11 +3886,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
hci_blocked_keys_clear(hdev);
hci_dev_unlock(hdev);
- hci_dev_put(hdev);
-
- ida_simple_remove(&hci_index_ida, id);
+ ida_simple_remove(&hci_index_ida, hdev->id);
}
-EXPORT_SYMBOL(hci_unregister_dev);
/* Suspend HCI device */
int hci_suspend_dev(struct hci_dev *hdev)
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index eed0dd066e12..53f85d7c5f9e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -59,6 +59,17 @@ struct hci_pinfo {
char comm[TASK_COMM_LEN];
};
+static struct hci_dev *hci_hdev_from_sock(struct sock *sk)
+{
+ struct hci_dev *hdev = hci_pi(sk)->hdev;
+
+ if (!hdev)
+ return ERR_PTR(-EBADFD);
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ return ERR_PTR(-EPIPE);
+ return hdev;
+}
+
void hci_sock_set_flag(struct sock *sk, int nr)
{
set_bit(nr, &hci_pi(sk)->flags);
@@ -759,19 +770,13 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event)
if (event == HCI_DEV_UNREG) {
struct sock *sk;
- /* Detach sockets from device */
+ /* Wake up sockets using this dead device */
read_lock(&hci_sk_list.lock);
sk_for_each(sk, &hci_sk_list.head) {
- lock_sock(sk);
if (hci_pi(sk)->hdev == hdev) {
- hci_pi(sk)->hdev = NULL;
sk->sk_err = EPIPE;
- sk->sk_state = BT_OPEN;
sk->sk_state_change(sk);
-
- hci_dev_put(hdev);
}
- release_sock(sk);
}
read_unlock(&hci_sk_list.lock);
}
@@ -930,10 +935,10 @@ static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
unsigned long arg)
{
- struct hci_dev *hdev = hci_pi(sk)->hdev;
+ struct hci_dev *hdev = hci_hdev_from_sock(sk);
- if (!hdev)
- return -EBADFD;
+ if (IS_ERR(hdev))
+ return PTR_ERR(hdev);
if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL))
return -EBUSY;
@@ -1103,6 +1108,18 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
lock_sock(sk);
+ /* Allow detaching from dead device and attaching to alive device, if
+ * the caller wants to re-bind (instead of close) this socket in
+ * response to hci_sock_dev_event(HCI_DEV_UNREG) notification.
+ */
+ hdev = hci_pi(sk)->hdev;
+ if (hdev && hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
+ hci_pi(sk)->hdev = NULL;
+ sk->sk_state = BT_OPEN;
+ hci_dev_put(hdev);
+ }
+ hdev = NULL;
+
if (sk->sk_state == BT_BOUND) {
err = -EALREADY;
goto done;
@@ -1379,9 +1396,9 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr,
lock_sock(sk);
- hdev = hci_pi(sk)->hdev;
- if (!hdev) {
- err = -EBADFD;
+ hdev = hci_hdev_from_sock(sk);
+ if (IS_ERR(hdev)) {
+ err = PTR_ERR(hdev);
goto done;
}
@@ -1743,9 +1760,9 @@ static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg,
goto done;
}
- hdev = hci_pi(sk)->hdev;
- if (!hdev) {
- err = -EBADFD;
+ hdev = hci_hdev_from_sock(sk);
+ if (IS_ERR(hdev)) {
+ err = PTR_ERR(hdev);
goto done;
}
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 9874844a95a9..b69d88b88d2e 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -83,6 +83,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn)
static void bt_host_release(struct device *dev)
{
struct hci_dev *hdev = to_hci_dev(dev);
+
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ hci_cleanup_dev(hdev);
kfree(hdev);
module_put(THIS_MODULE);
}
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index e09147ac9a99..fc61cd3fea65 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -298,6 +298,9 @@ int tcp_gro_complete(struct sk_buff *skb)
if (th->cwr)
skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN;
+ if (skb->encapsulation)
+ skb->inner_transport_header = skb->transport_header;
+
return 0;
}
EXPORT_SYMBOL(tcp_gro_complete);
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 6e2b02cf7841..f4b8e56068e0 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -615,6 +615,10 @@ static int udp_gro_complete_segment(struct sk_buff *skb)
skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_L4;
+
+ if (skb->encapsulation)
+ skb->inner_transport_header = skb->transport_header;
+
return 0;
}
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 854d2b38db85..05aa2571a409 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -886,7 +886,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
/* seqlock has the same scope of busylock, for NOLOCK qdisc */
spin_lock_init(&sch->seqlock);
- lockdep_set_class(&sch->busylock,
+ lockdep_set_class(&sch->seqlock,
dev->qdisc_tx_busylock ?: &qdisc_tx_busylock);
seqcount_init(&sch->running);
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index fe74c5f95630..db6b7373d16c 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -857,14 +857,18 @@ int sctp_auth_set_key(struct sctp_endpoint *ep,
memcpy(key->data, &auth_key->sca_key[0], auth_key->sca_keylength);
cur_key->key = key;
- if (replace) {
- list_del_init(&shkey->key_list);
- sctp_auth_shkey_release(shkey);
- if (asoc && asoc->active_key_id == auth_key->sca_keynumber)
- sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL);
+ if (!replace) {
+ list_add(&cur_key->key_list, sh_keys);
+ return 0;
}
+
+ list_del_init(&shkey->key_list);
+ sctp_auth_shkey_release(shkey);
list_add(&cur_key->key_list, sh_keys);
+ if (asoc && asoc->active_key_id == auth_key->sca_keynumber)
+ sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL);
+
return 0;
}
diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c
index a20aec9d7393..2bf269390163 100644
--- a/net/xfrm/xfrm_compat.c
+++ b/net/xfrm/xfrm_compat.c
@@ -298,8 +298,16 @@ static int xfrm_xlate64(struct sk_buff *dst, const struct nlmsghdr *nlh_src)
len = nlmsg_attrlen(nlh_src, xfrm_msg_min[type]);
nla_for_each_attr(nla, attrs, len, remaining) {
- int err = xfrm_xlate64_attr(dst, nla);
+ int err;
+ switch (type) {
+ case XFRM_MSG_NEWSPDINFO:
+ err = xfrm_nla_cpy(dst, nla, nla_len(nla));
+ break;
+ default:
+ err = xfrm_xlate64_attr(dst, nla);
+ break;
+ }
if (err)
return err;
}
@@ -341,7 +349,8 @@ static int xfrm_alloc_compat(struct sk_buff *skb, const struct nlmsghdr *nlh_src
/* Calculates len of translated 64-bit message. */
static size_t xfrm_user_rcv_calculate_len64(const struct nlmsghdr *src,
- struct nlattr *attrs[XFRMA_MAX+1])
+ struct nlattr *attrs[XFRMA_MAX + 1],
+ int maxtype)
{
size_t len = nlmsg_len(src);
@@ -358,10 +367,20 @@ static size_t xfrm_user_rcv_calculate_len64(const struct nlmsghdr *src,
case XFRM_MSG_POLEXPIRE:
len += 8;
break;
+ case XFRM_MSG_NEWSPDINFO:
+ /* attirbutes are xfrm_spdattr_type_t, not xfrm_attr_type_t */
+ return len;
default:
break;
}
+ /* Unexpected for anything, but XFRM_MSG_NEWSPDINFO, please
+ * correct both 64=>32-bit and 32=>64-bit translators to copy
+ * new attributes.
+ */
+ if (WARN_ON_ONCE(maxtype))
+ return len;
+
if (attrs[XFRMA_SA])
len += 4;
if (attrs[XFRMA_POLICY])
@@ -440,7 +459,8 @@ static int xfrm_xlate32_attr(void *dst, const struct nlattr *nla,
static int xfrm_xlate32(struct nlmsghdr *dst, const struct nlmsghdr *src,
struct nlattr *attrs[XFRMA_MAX+1],
- size_t size, u8 type, struct netlink_ext_ack *extack)
+ size_t size, u8 type, int maxtype,
+ struct netlink_ext_ack *extack)
{
size_t pos;
int i;
@@ -520,6 +540,25 @@ static int xfrm_xlate32(struct nlmsghdr *dst, const struct nlmsghdr *src,
}
pos = dst->nlmsg_len;
+ if (maxtype) {
+ /* attirbutes are xfrm_spdattr_type_t, not xfrm_attr_type_t */
+ WARN_ON_ONCE(src->nlmsg_type != XFRM_MSG_NEWSPDINFO);
+
+ for (i = 1; i <= maxtype; i++) {
+ int err;
+
+ if (!attrs[i])
+ continue;
+
+ /* just copy - no need for translation */
+ err = xfrm_attr_cpy32(dst, &pos, attrs[i], size,
+ nla_len(attrs[i]), nla_len(attrs[i]));
+ if (err)
+ return err;
+ }
+ return 0;
+ }
+
for (i = 1; i < XFRMA_MAX + 1; i++) {
int err;
@@ -564,7 +603,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32,
if (err < 0)
return ERR_PTR(err);
- len = xfrm_user_rcv_calculate_len64(h32, attrs);
+ len = xfrm_user_rcv_calculate_len64(h32, attrs, maxtype);
/* The message doesn't need translation */
if (len == nlmsg_len(h32))
return NULL;
@@ -574,7 +613,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32,
if (!h64)
return ERR_PTR(-ENOMEM);
- err = xfrm_xlate32(h64, h32, attrs, len, type, extack);
+ err = xfrm_xlate32(h64, h32, attrs, len, type, maxtype, extack);
if (err < 0) {
kvfree(h64);
return ERR_PTR(err);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b74f28cabe24..3a9831c05ec7 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -155,7 +155,6 @@ static struct xfrm_policy_afinfo const __rcu *xfrm_policy_afinfo[AF_INET6 + 1]
__read_mostly;
static struct kmem_cache *xfrm_dst_cache __ro_after_init;
-static __read_mostly seqcount_mutex_t xfrm_policy_hash_generation;
static struct rhashtable xfrm_policy_inexact_table;
static const struct rhashtable_params xfrm_pol_inexact_params;
@@ -585,7 +584,7 @@ static void xfrm_bydst_resize(struct net *net, int dir)
return;
spin_lock_bh(&net->xfrm.xfrm_policy_lock);
- write_seqcount_begin(&xfrm_policy_hash_generation);
+ write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
odst = rcu_dereference_protected(net->xfrm.policy_bydst[dir].table,
lockdep_is_held(&net->xfrm.xfrm_policy_lock));
@@ -596,7 +595,7 @@ static void xfrm_bydst_resize(struct net *net, int dir)
rcu_assign_pointer(net->xfrm.policy_bydst[dir].table, ndst);
net->xfrm.policy_bydst[dir].hmask = nhashmask;
- write_seqcount_end(&xfrm_policy_hash_generation);
+ write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
synchronize_rcu();
@@ -1245,7 +1244,7 @@ static void xfrm_hash_rebuild(struct work_struct *work)
} while (read_seqretry(&net->xfrm.policy_hthresh.lock, seq));
spin_lock_bh(&net->xfrm.xfrm_policy_lock);
- write_seqcount_begin(&xfrm_policy_hash_generation);
+ write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
/* make sure that we can insert the indirect policies again before
* we start with destructive action.
@@ -1354,7 +1353,7 @@ static void xfrm_hash_rebuild(struct work_struct *work)
out_unlock:
__xfrm_policy_inexact_flush(net);
- write_seqcount_end(&xfrm_policy_hash_generation);
+ write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
mutex_unlock(&hash_resize_mutex);
@@ -2095,9 +2094,9 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type,
rcu_read_lock();
retry:
do {
- sequence = read_seqcount_begin(&xfrm_policy_hash_generation);
+ sequence = read_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
chain = policy_hash_direct(net, daddr, saddr, family, dir);
- } while (read_seqcount_retry(&xfrm_policy_hash_generation, sequence));
+ } while (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence));
ret = NULL;
hlist_for_each_entry_rcu(pol, chain, bydst) {
@@ -2128,7 +2127,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type,
}
skip_inexact:
- if (read_seqcount_retry(&xfrm_policy_hash_generation, sequence))
+ if (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence))
goto retry;
if (ret && !xfrm_pol_hold_rcu(ret))
@@ -4123,6 +4122,7 @@ static int __net_init xfrm_net_init(struct net *net)
/* Initialize the per-net locks here */
spin_lock_init(&net->xfrm.xfrm_state_lock);
spin_lock_init(&net->xfrm.xfrm_policy_lock);
+ seqcount_spinlock_init(&net->xfrm.xfrm_policy_hash_generation, &net->xfrm.xfrm_policy_lock);
mutex_init(&net->xfrm.xfrm_cfg_mutex);
rv = xfrm_statistics_init(net);
@@ -4167,7 +4167,6 @@ void __init xfrm_init(void)
{
register_pernet_subsys(&xfrm_net_ops);
xfrm_dev_init();
- seqcount_mutex_init(&xfrm_policy_hash_generation, &hash_resize_mutex);
xfrm_input_init();
#ifdef CONFIG_XFRM_ESPINTCP
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 45f86a97eaf2..6f97665b632e 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2751,6 +2751,16 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
err = link->doit(skb, nlh, attrs);
+ /* We need to free skb allocated in xfrm_alloc_compat() before
+ * returning from this function, because consume_skb() won't take
+ * care of frag_list since netlink destructor sets
+ * sbk->head to NULL. (see netlink_skb_destructor())
+ */
+ if (skb_has_frag_list(skb)) {
+ kfree_skb(skb_shinfo(skb)->frag_list);
+ skb_shinfo(skb)->frag_list = NULL;
+ }
+
err:
kvfree(nlh64);
return err;
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index 74f8aadfd4cb..7011fbe003ff 100755
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
@@ -17,7 +17,7 @@ Usage:
$ cat /sys/kernel/debug/tracing/trace_pipe > ~/raw_trace_func
Wait some times but not too much, the script is a bit slow.
Break the pipe (Ctrl + Z)
- $ scripts/draw_functrace.py < raw_trace_func > draw_functrace
+ $ scripts/tracing/draw_functrace.py < ~/raw_trace_func > draw_functrace
Then you have your drawn trace in draw_functrace
"""
@@ -103,10 +103,10 @@ def parseLine(line):
line = line.strip()
if line.startswith("#"):
raise CommentLineException
- m = re.match("[^]]+?\\] +([0-9.]+): (\\w+) <-(\\w+)", line)
+ m = re.match("[^]]+?\\] +([a-z.]+) +([0-9.]+): (\\w+) <-(\\w+)", line)
if m is None:
raise BrokenLineException
- return (m.group(1), m.group(2), m.group(3))
+ return (m.group(2), m.group(3), m.group(4))
def main():
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 9fccf417006b..6a04de21343f 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -874,7 +874,7 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
rc = sidtab_init(s);
if (rc) {
pr_err("SELinux: out of memory on SID table init\n");
- goto out;
+ return rc;
}
head = p->ocontexts[OCON_ISID];
@@ -885,7 +885,7 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
if (sid == SECSID_NULL) {
pr_err("SELinux: SID 0 was assigned a context.\n");
sidtab_destroy(s);
- goto out;
+ return -EINVAL;
}
/* Ignore initial SIDs unused by this kernel. */
@@ -897,12 +897,10 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
pr_err("SELinux: unable to load initial SID %s.\n",
name);
sidtab_destroy(s);
- goto out;
+ return rc;
}
}
- rc = 0;
-out:
- return rc;
+ return 0;
}
int policydb_class_isvalid(struct policydb *p, unsigned int class)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 6d1759b9ccb2..b36c8d94d4da 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -246,7 +246,7 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream)
if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP))
return false;
- if (substream->ops->mmap)
+ if (substream->ops->mmap || substream->ops->page)
return true;
switch (substream->dma_buffer.dev.type) {
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 83be6b982a87..97e8eb38b096 100644
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -514,10 +514,11 @@ static int check_and_subscribe_port(struct snd_seq_client *client,
return err;
}
-static void delete_and_unsubscribe_port(struct snd_seq_client *client,
- struct snd_seq_client_port *port,
- struct snd_seq_subscribers *subs,
- bool is_src, bool ack)
+/* called with grp->list_mutex held */
+static void __delete_and_unsubscribe_port(struct snd_seq_client *client,
+ struct snd_seq_client_port *port,
+ struct snd_seq_subscribers *subs,
+ bool is_src, bool ack)
{
struct snd_seq_port_subs_info *grp;
struct list_head *list;
@@ -525,7 +526,6 @@ static void delete_and_unsubscribe_port(struct snd_seq_client *client,
grp = is_src ? &port->c_src : &port->c_dest;
list = is_src ? &subs->src_list : &subs->dest_list;
- down_write(&grp->list_mutex);
write_lock_irq(&grp->list_lock);
empty = list_empty(list);
if (!empty)
@@ -535,6 +535,18 @@ static void delete_and_unsubscribe_port(struct snd_seq_client *client,
if (!empty)
unsubscribe_port(client, port, grp, &subs->info, ack);
+}
+
+static void delete_and_unsubscribe_port(struct snd_seq_client *client,
+ struct snd_seq_client_port *port,
+ struct snd_seq_subscribers *subs,
+ bool is_src, bool ack)
+{
+ struct snd_seq_port_subs_info *grp;
+
+ grp = is_src ? &port->c_src : &port->c_dest;
+ down_write(&grp->list_mutex);
+ __delete_and_unsubscribe_port(client, port, subs, is_src, ack);
up_write(&grp->list_mutex);
}
@@ -590,27 +602,30 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
struct snd_seq_client_port *dest_port,
struct snd_seq_port_subscribe *info)
{
- struct snd_seq_port_subs_info *src = &src_port->c_src;
+ struct snd_seq_port_subs_info *dest = &dest_port->c_dest;
struct snd_seq_subscribers *subs;
int err = -ENOENT;
- down_write(&src->list_mutex);
+ /* always start from deleting the dest port for avoiding concurrent
+ * deletions
+ */
+ down_write(&dest->list_mutex);
/* look for the connection */
- list_for_each_entry(subs, &src->list_head, src_list) {
+ list_for_each_entry(subs, &dest->list_head, dest_list) {
if (match_subs_info(info, &subs->info)) {
- atomic_dec(&subs->ref_count); /* mark as not ready */
+ __delete_and_unsubscribe_port(dest_client, dest_port,
+ subs, false,
+ connector->number != dest_client->number);
err = 0;
break;
}
}
- up_write(&src->list_mutex);
+ up_write(&dest->list_mutex);
if (err < 0)
return err;
delete_and_unsubscribe_port(src_client, src_port, subs, true,
connector->number != src_client->number);
- delete_and_unsubscribe_port(dest_client, dest_port, subs, false,
- connector->number != dest_client->number);
kfree(subs);
return 0;
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bedc2a316adf..4556ce9a4b15 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8200,9 +8200,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
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),
SND_PCI_QUIRK(0x1025, 0x129c, "Acer SWIFT SF314-55", ALC256_FIXUP_ACER_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1025, 0x1300, "Acer SWIFT SF314-56", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1308, "Acer Aspire Z24-890", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x132a, "Acer TravelMate B114-21", ALC233_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", ALC255_FIXUP_ACER_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1025, 0x142b, "Acer Swift SF314-42", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1430, "Acer TravelMate B311R-31", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1466, "Acer Aspire A515-56", ALC255_FIXUP_ACER_HEADPHONE_AND_MIC),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 258b81b39917..45fc217e4e97 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -907,7 +907,7 @@ static void usb_audio_disconnect(struct usb_interface *intf)
}
}
- if (chip->quirk_type & QUIRK_SETUP_DISABLE_AUTOSUSPEND)
+ if (chip->quirk_type == QUIRK_SETUP_DISABLE_AUTOSUSPEND)
usb_enable_autosuspend(interface_to_usbdev(intf));
chip->num_interfaces--;
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index e3d97e5112fd..514d18a3e07a 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -319,6 +319,12 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
selector->baCSourceID[ret - 1],
visited, validate);
if (ret > 0) {
+ /*
+ * For Samsung USBC Headset (AKG), setting clock selector again
+ * will result in incorrect default clock setting problems
+ */
+ if (chip->usb_id == USB_ID(0x04e8, 0xa051))
+ return ret;
err = uac_clock_selector_set_val(chip, entity_id, cur);
if (err < 0)
return err;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 7af97448d09b..33d185b62a76 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1897,6 +1897,7 @@ static const struct registration_quirk registration_quirks[] = {
REG_QUIRK_ENTRY(0x0951, 0x16ea, 2), /* Kingston HyperX Cloud Flight S */
REG_QUIRK_ENTRY(0x0ecb, 0x1f46, 2), /* JBL Quantum 600 */
REG_QUIRK_ENTRY(0x0ecb, 0x2039, 2), /* JBL Quantum 400 */
+ REG_QUIRK_ENTRY(0x0ecb, 0x203c, 2), /* JBL Quantum 600 */
REG_QUIRK_ENTRY(0x0ecb, 0x203e, 2), /* JBL Quantum 800 */
{ 0 } /* terminator */
};
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 2809a69418a6..0e4310c415a8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -685,6 +685,8 @@ static void kvm_destroy_vm_debugfs(struct kvm *kvm)
static int kvm_create_vm_debugfs(struct kvm *kvm, int fd)
{
+ static DEFINE_MUTEX(kvm_debugfs_lock);
+ struct dentry *dent;
char dir_name[ITOA_MAX_LEN * 2];
struct kvm_stat_data *stat_data;
struct kvm_stats_debugfs_item *p;
@@ -693,8 +695,20 @@ static int kvm_create_vm_debugfs(struct kvm *kvm, int fd)
return 0;
snprintf(dir_name, sizeof(dir_name), "%d-%d", task_pid_nr(current), fd);
- kvm->debugfs_dentry = debugfs_create_dir(dir_name, kvm_debugfs_dir);
+ mutex_lock(&kvm_debugfs_lock);
+ dent = debugfs_lookup(dir_name, kvm_debugfs_dir);
+ if (dent) {
+ pr_warn_ratelimited("KVM: debugfs: duplicate directory %s\n", dir_name);
+ dput(dent);
+ mutex_unlock(&kvm_debugfs_lock);
+ return 0;
+ }
+ dent = debugfs_create_dir(dir_name, kvm_debugfs_dir);
+ mutex_unlock(&kvm_debugfs_lock);
+ if (IS_ERR(dent))
+ return 0;
+ kvm->debugfs_dentry = dent;
kvm->debugfs_stat_data = kcalloc(kvm_debugfs_num_entries,
sizeof(*kvm->debugfs_stat_data),
GFP_KERNEL_ACCOUNT);
@@ -4698,7 +4712,7 @@ static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm)
}
add_uevent_var(env, "PID=%d", kvm->userspace_pid);
- if (!IS_ERR_OR_NULL(kvm->debugfs_dentry)) {
+ if (kvm->debugfs_dentry) {
char *tmp, *p = kmalloc(PATH_MAX, GFP_KERNEL_ACCOUNT);
if (p) {
prev parent reply other threads:[~2021-08-12 12:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 12:19 Linux 5.10.58 Greg Kroah-Hartman
2021-08-12 12:19 ` Greg Kroah-Hartman [this message]
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