Re: Linux 5.4.124

Greg Kroah-Hartman
2021-06-03T07:52:59Z

diff --git a/Documentation/userspace-api/seccomp_filter.rst b/Documentation/userspace-api/seccomp_filter.rst
index bd9165241b6c..6efb41cc8072 100644
--- a/Documentation/userspace-api/seccomp_filter.rst
+++ b/Documentation/userspace-api/seccomp_filter.rst
@@ -250,14 +250,14 @@ Users can read via ``ioctl(SECCOMP_IOCTL_NOTIF_RECV)`` (or ``poll()``) on a
seccomp notification fd to receive a ``struct seccomp_notif``, which contains
five members: the input length of the structure, a unique-per-filter ``id``,
the ``pid`` of the task which triggered this request (which may be 0 if the
-task is in a pid ns not visible from the listener's pid namespace), a ``flags``
-member which for now only has ``SECCOMP_NOTIF_FLAG_SIGNALED``, representing
-whether or not the notification is a result of a non-fatal signal, and the
-``data`` passed to seccomp. Userspace can then make a decision based on this
-information about what to do, and ``ioctl(SECCOMP_IOCTL_NOTIF_SEND)`` a
-response, indicating what should be returned to userspace. The ``id`` member of
-``struct seccomp_notif_resp`` should be the same ``id`` as in ``struct
-seccomp_notif``.
+task is in a pid ns not visible from the listener's pid namespace). The
+notification also contains the ``data`` passed to seccomp, and a filters flag.
+The structure should be zeroed out prior to calling the ioctl.
+
+Userspace can then make a decision based on this information about what to do,
+and ``ioctl(SECCOMP_IOCTL_NOTIF_SEND)`` a response, indicating what should be
+returned to userspace. The ``id`` member of ``struct seccomp_notif_resp`` should
+be the same ``id`` as in ``struct seccomp_notif``.

It is worth noting that ``struct seccomp_data`` contains the values of register
arguments to the syscall, but does not contain pointers to memory. The task's
diff --git a/Makefile b/Makefile
index d3f7a032f080..22668742d3d0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 123
+SUBLEVEL = 124
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/arch/mips/alchemy/board-xxs1500.c b/arch/mips/alchemy/board-xxs1500.c
index c67dfe1f4997..ec35aedc7727 100644
--- a/arch/mips/alchemy/board-xxs1500.c
+++ b/arch/mips/alchemy/board-xxs1500.c
@@ -18,6 +18,7 @@
#include <asm/reboot.h>
#include <asm/setup.h>
#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/gpio-au1000.h>
#include <prom.h>

const char *get_system_type(void)
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 59b23095bfbb..4e38a905ab38 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -8,6 +8,7 @@

#include <linux/io.h>
#include <linux/clk.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/sizes.h>
#include <linux/of_fdt.h>
@@ -25,6 +26,7 @@

__iomem void *rt_sysc_membase;
__iomem void *rt_memc_membase;
+EXPORT_SYMBOL_GPL(rt_sysc_membase);

__iomem void *plat_of_remap_node(const char *node)
{
diff --git a/arch/openrisc/include/asm/barrier.h b/arch/openrisc/include/asm/barrier.h
new file mode 100644
index 000000000000..7538294721be
--- /dev/null
+++ b/arch/openrisc/include/asm/barrier.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_BARRIER_H
+#define __ASM_BARRIER_H
+
+#define mb() asm volatile ("l.msync" ::: "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* __ASM_BARRIER_H */
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index f69609b47fef..d390ab5e51d3 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -984,6 +984,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
hdp->hd_phys_address = fixmem32->address;
hdp->hd_address = ioremap(fixmem32->address,
HPET_RANGE_SIZE);
+ if (!hdp->hd_address)
+ return AE_ERROR;

if (hpet_is_known(hdp)) {
iounmap(hdp->hd_address);
diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c
index 806ca02c52d7..62026607f3f8 100644
--- a/drivers/dma/qcom/hidma_mgmt.c
+++ b/drivers/dma/qcom/hidma_mgmt.c
@@ -418,8 +418,23 @@ static int __init hidma_mgmt_init(void)
hidma_mgmt_of_populate_channels(child);
}
#endif
- return platform_driver_register(&hidma_mgmt_driver);
+ /*
+ * We do not check for return value here, as it is assumed that
+ * platform_driver_register must not fail. The reason for this is that
+ * the (potential) hidma_mgmt_of_populate_channels calls above are not
+ * cleaned up if it does fail, and to do this work is quite
+ * complicated. In particular, various calls of of_address_to_resource,
+ * of_irq_to_resource, platform_device_register_full, of_dma_configure,
+ * and of_msi_configure which then call other functions and so on, must
+ * be cleaned up - this is not a trivial exercise.
+ *
+ * Currently, this module is not intended to be unloaded, and there is
+ * no module_exit function defined which does the needed cleanup. For
+ * this reason, we have to assume success here.
+ */
+ platform_driver_register(&hidma_mgmt_driver);

+ return 0;
}
module_init(hidma_mgmt_init);
MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpio/gpio-cadence.c b/drivers/gpio/gpio-cadence.c
index a4d3239d2594..4ab3fcd9b9ba 100644
--- a/drivers/gpio/gpio-cadence.c
+++ b/drivers/gpio/gpio-cadence.c
@@ -278,6 +278,7 @@ static const struct of_device_id cdns_of_ids[] = {
{ .compatible = "cdns,gpio-r1p02" },
{ /* sentinel */ },
};
+MODULE_DEVICE_TABLE(of, cdns_of_ids);

static struct platform_driver cdns_gpio_driver = {
.driver = {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3b3fc9a426e9..765f9a6c4640 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3704,7 +3704,6 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive,
r = amdgpu_ib_ring_tests(tmp_adev);
if (r) {
dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r);
- r = amdgpu_device_ip_suspend(tmp_adev);
need_full_reset = true;
r = -EAGAIN;
goto end;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index fd94a17fb2c6..46522804c7d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -289,10 +289,13 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev)
{
struct amdgpu_framebuffer *rfb = &rfbdev->rfb;
+ int i;

drm_fb_helper_unregister_fbi(&rfbdev->helper);

if (rfb->base.obj[0]) {
+ for (i = 0; i < rfb->base.format->num_planes; i++)
+ drm_gem_object_put(rfb->base.obj[0]);
amdgpufb_destroy_pinned_object(rfb->base.obj[0]);
rfb->base.obj[0] = NULL;
drm_framebuffer_unregister_private(&rfb->base);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 91e3a87b1de8..58e14d3040f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1300,6 +1300,7 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
if (gtt && gtt->userptr) {
amdgpu_ttm_tt_set_user_pages(ttm, NULL);
kfree(ttm->sg);
+ ttm->sg = NULL;
ttm->page_flags &= ~TTM_PAGE_FLAG_SG;
return;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 4f0f0de83293..1bb0f3c0978a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -233,9 +233,13 @@ static int vcn_v1_0_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;

+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
- RREG32_SOC15(VCN, 0, mmUVD_STATUS))
+ (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
+ RREG32_SOC15(VCN, 0, mmUVD_STATUS))) {
vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
+ }

ring->sched.ready = false;

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index cd2cbe760e88..82327ee96f95 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -293,6 +293,8 @@ static int vcn_v2_0_hw_fini(void *handle)
struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
int i;

+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index 9d778a0b2c5e..4c9a1633b02a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -302,6 +302,8 @@ static int vcn_v2_5_hw_fini(void *handle)
struct amdgpu_ring *ring;
int i;

+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 40041c61a100..6b03267021ea 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -936,6 +936,24 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
dc_is_dvi_signal(link->connector_signal)) {
if (prev_sink != NULL)
dc_sink_release(prev_sink);
+ link_disconnect_sink(link);
+
+ return false;
+ }
+ /*
+ * Abort detection for DP connectors if we have
+ * no EDID and connector is active converter
+ * as there are no display downstream
+ *
+ */
+ if (dc_is_dp_sst_signal(link->connector_signal) &&
+ (link->dpcd_caps.dongle_type ==
+ DISPLAY_DONGLE_DP_VGA_CONVERTER ||
+ link->dpcd_caps.dongle_type ==
+ DISPLAY_DONGLE_DP_DVI_CONVERTER)) {
+ if (prev_sink)
+ dc_sink_release(prev_sink);
+ link_disconnect_sink(link);

return false;
}
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c2fccf97f7a4..abc8c42b8b0c 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3634,7 +3634,7 @@ static void chv_dp_post_pll_disable(struct intel_encoder *encoder,
* link status information
*/
bool
-intel_dp_get_link_status(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATUS_SIZE])
+intel_dp_get_link_status(struct intel_dp *intel_dp, u8 *link_status)
{
return drm_dp_dpcd_read(&intel_dp->aux, DP_LANE0_1_STATUS, link_status,
DP_LINK_STATUS_SIZE) == DP_LINK_STATUS_SIZE;
@@ -4706,7 +4706,18 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
bool bret;

if (intel_dp->is_mst) {
- u8 esi[DP_DPRX_ESI_LEN] = { 0 };
+ /*
+ * The +2 is because DP_DPRX_ESI_LEN is 14, but we then
+ * pass in "esi+10" to drm_dp_channel_eq_ok(), which
+ * takes a 6-byte array. So we actually need 16 bytes
+ * here.
+ *
+ * Somebody who knows what the limits actually are
+ * should check this, but for now this is at least
+ * harmless and avoids a valid compiler warning about
+ * using more of the array than we have allocated.
+ */
+ u8 esi[DP_DPRX_ESI_LEN+2] = {};
int ret = 0;
int retry;
bool handled;
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 86d096111277..61a6536e7e61 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -423,11 +423,12 @@ static int meson_probe_remote(struct platform_device *pdev,
static void meson_drv_shutdown(struct platform_device *pdev)
{
struct meson_drm *priv = dev_get_drvdata(&pdev->dev);
- struct drm_device *drm = priv->drm;

- DRM_DEBUG_DRIVER("\n");
- drm_kms_helper_poll_fini(drm);
- drm_atomic_helper_shutdown(drm);
+ if (!priv)
+ return;
+
+ drm_kms_helper_poll_fini(priv->drm);
+ drm_atomic_helper_shutdown(priv->drm);
}

static int meson_drv_probe(struct platform_device *pdev)
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 2b6a4c1f188f..a959062ded4f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -379,11 +379,9 @@ static int i801_check_post(struct i801_priv *priv, int status)
dev_err(&priv->pci_dev->dev, "Transaction timeout\n");
/* try to stop the current command */
dev_dbg(&priv->pci_dev->dev, "Terminating the current operation\n");
- outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL,
- SMBHSTCNT(priv));
+ outb_p(SMBHSTCNT_KILL, SMBHSTCNT(priv));
usleep_range(1000, 2000);
- outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL),
- SMBHSTCNT(priv));
+ outb_p(0, SMBHSTCNT(priv));

/* Check if it worked */
status = inb_p(SMBHSTSTS(priv));
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index c98ef4c4a0c9..d6322698b245 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -484,7 +484,10 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
* forces us to send a new START
* when we change direction
*/
+ dev_dbg(i2c->dev,
+ "missing START before write->read\n");
s3c24xx_i2c_stop(i2c, -EINVAL);
+ break;
}

goto retry_write;
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index d5dd58c27ce5..0dc2494f1a37 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -813,7 +813,7 @@ static const struct sh_mobile_dt_config r8a7740_dt_config = {
static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
{ .compatible = "renesas,iic-r8a73a4", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7740", .data = &r8a7740_dt_config },
- { .compatible = "renesas,iic-r8a774c0", .data = &fast_clock_dt_config },
+ { .compatible = "renesas,iic-r8a774c0", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7790", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7791", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7792", .data = &v2_freq_calc_dt_config },
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 306bf15023a7..fa808f9c0d9a 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -473,6 +473,13 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
if (ret)
goto err;

+ if (channel >= indio_dev->num_channels) {
+ dev_err(indio_dev->dev.parent,
+ "Channel index >= number of channels\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
ret = of_property_read_u32_array(child, "diff-channels",
ain, 2);
if (ret)
@@ -564,6 +571,11 @@ static int ad7124_setup(struct ad7124_state *st)
return ret;
}

+static void ad7124_reg_disable(void *r)
+{
+ regulator_disable(r);
+}
+
static int ad7124_probe(struct spi_device *spi)
{
const struct spi_device_id *id;
@@ -607,17 +619,20 @@ static int ad7124_probe(struct spi_device *spi)
ret = regulator_enable(st->vref[i]);
if (ret)
return ret;
+
+ ret = devm_add_action_or_reset(&spi->dev, ad7124_reg_disable,
+ st->vref[i]);
+ if (ret)
+ return ret;
}

st->mclk = devm_clk_get(&spi->dev, "mclk");
- if (IS_ERR(st->mclk)) {
- ret = PTR_ERR(st->mclk);
- goto error_regulator_disable;
- }
+ if (IS_ERR(st->mclk))
+ return PTR_ERR(st->mclk);

ret = clk_prepare_enable(st->mclk);
if (ret < 0)
- goto error_regulator_disable;
+ return ret;

ret = ad7124_soft_reset(st);
if (ret < 0)
@@ -643,11 +658,6 @@ static int ad7124_probe(struct spi_device *spi)
ad_sd_cleanup_buffer_and_trigger(indio_dev);
error_clk_disable_unprepare:
clk_disable_unprepare(st->mclk);
-error_regulator_disable:
- for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
- if (!IS_ERR_OR_NULL(st->vref[i]))
- regulator_disable(st->vref[i]);
- }

return ret;
}
@@ -656,17 +666,11 @@ static int ad7124_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
struct ad7124_state *st = iio_priv(indio_dev);
- int i;

iio_device_unregister(indio_dev);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
clk_disable_unprepare(st->mclk);

- for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
- if (!IS_ERR_OR_NULL(st->vref[i]))
- regulator_disable(st->vref[i]);
- }
-
return 0;
}

diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index 0d132708c429..0f6c1be1cda2 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -166,6 +166,10 @@ struct ad7768_state {
* transfer buffers to live in their own cache lines.
*/
union {
+ struct {
+ __be32 chan;
+ s64 timestamp;
+ } scan;
__be32 d32;
u8 d8[2];
} data ____cacheline_aligned;
@@ -459,11 +463,11 @@ static irqreturn_t ad7768_trigger_handler(int irq, void *p)

mutex_lock(&st->lock);

- ret = spi_read(st->spi, &st->data.d32, 3);
+ ret = spi_read(st->spi, &st->data.scan.chan, 3);
if (ret < 0)
goto err_unlock;

- iio_push_to_buffers_with_timestamp(indio_dev, &st->data.d32,
+ iio_push_to_buffers_with_timestamp(indio_dev, &st->data.scan,
iio_get_time_ns(indio_dev));

iio_trigger_notify_done(indio_dev->trig);
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 6ed6d1410201..947d6c777234 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -278,6 +278,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
id &= AD7793_ID_MASK;

if (id != st->chip_info->id) {
+ ret = -ENODEV;
dev_err(&st->sd.spi->dev, "device ID query failed\n");
goto out;
}
diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
index 89d2bb2282ea..958cf8b6002c 100644
--- a/drivers/iio/gyro/fxas21002c_core.c
+++ b/drivers/iio/gyro/fxas21002c_core.c
@@ -333,6 +333,7 @@ static int fxas21002c_temp_get(struct fxas21002c_data *data, int *val)
ret = regmap_field_read(data->regmap_fields[F_TEMP], &temp);
if (ret < 0) {
dev_err(dev, "failed to read temp: %d\n", ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}

@@ -366,6 +367,7 @@ static int fxas21002c_axis_get(struct fxas21002c_data *data,
&axis_be, sizeof(axis_be));
if (ret < 0) {
dev_err(dev, "failed to read axis: %d: %d\n", index, ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 1b9795743276..24616525c90d 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1110,7 +1110,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)

err = iommu_device_register(&iommu->iommu);
if (err)
- goto err_unmap;
+ goto err_sysfs;
}

drhd->iommu = iommu;
@@ -1118,6 +1118,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)

return 0;

+err_sysfs:
+ iommu_device_sysfs_remove(&iommu->iommu);
err_unmap:
unmap_iommu(iommu);
error_free_seq_id:
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
index 008a74a1ed44..1f89378b5623 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
@@ -46,7 +46,7 @@ static void hfcsusb_start_endpoint(struct hfcsusb *hw, int channel);
static void hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel);
static int hfcsusb_setup_bch(struct bchannel *bch, int protocol);
static void deactivate_bchannel(struct bchannel *bch);
-static void hfcsusb_ph_info(struct hfcsusb *hw);
+static int hfcsusb_ph_info(struct hfcsusb *hw);

/* start next background transfer for control channel */
static void
@@ -241,7 +241,7 @@ hfcusb_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb)
* send full D/B channel status information
* as MPH_INFORMATION_IND
*/
-static void
+static int
hfcsusb_ph_info(struct hfcsusb *hw)
{
struct ph_info *phi;
@@ -250,7 +250,7 @@ hfcsusb_ph_info(struct hfcsusb *hw)

phi = kzalloc(struct_size(phi, bch, dch->dev.nrbchan), GFP_ATOMIC);
if (!phi)
- return;
+ return -ENOMEM;

phi->dch.ch.protocol = hw->protocol;
phi->dch.ch.Flags = dch->Flags;
@@ -264,6 +264,8 @@ hfcsusb_ph_info(struct hfcsusb *hw)
sizeof(struct ph_info_dch) + dch->dev.nrbchan *
sizeof(struct ph_info_ch), phi, GFP_ATOMIC);
kfree(phi);
+
+ return 0;
}

/*
@@ -348,8 +350,7 @@ hfcusb_l2l1D(struct mISDNchannel *ch, struct sk_buff *skb)
ret = l1_event(dch->l1, hh->prim);
break;
case MPH_INFORMATION_REQ:
- hfcsusb_ph_info(hw);
- ret = 0;
+ ret = hfcsusb_ph_info(hw);
break;
}

@@ -404,8 +405,7 @@ hfc_l1callback(struct dchannel *dch, u_int cmd)
hw->name, __func__, cmd);
return -1;
}
- hfcsusb_ph_info(hw);
- return 0;
+ return hfcsusb_ph_info(hw);
}

static int
@@ -747,8 +747,7 @@ hfcsusb_setup_bch(struct bchannel *bch, int protocol)
handle_led(hw, (bch->nr == 1) ? LED_B1_OFF :
LED_B2_OFF);
}
- hfcsusb_ph_info(hw);
- return 0;
+ return hfcsusb_ph_info(hw);
}

static void
diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
index f4cb29766888..3cf0c6f5a1dc 100644
--- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c
+++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
@@ -630,17 +630,19 @@ static void
release_io(struct inf_hw *hw)
{
if (hw->cfg.mode) {
- if (hw->cfg.p) {
+ if (hw->cfg.mode == AM_MEMIO) {
release_mem_region(hw->cfg.start, hw->cfg.size);
- iounmap(hw->cfg.p);
+ if (hw->cfg.p)
+ iounmap(hw->cfg.p);
} else
release_region(hw->cfg.start, hw->cfg.size);
hw->cfg.mode = AM_NONE;
}
if (hw->addr.mode) {
- if (hw->addr.p) {
+ if (hw->addr.mode == AM_MEMIO) {
release_mem_region(hw->addr.start, hw->addr.size);
- iounmap(hw->addr.p);
+ if (hw->addr.p)
+ iounmap(hw->addr.p);
} else
release_region(hw->addr.start, hw->addr.size);
hw->addr.mode = AM_NONE;
@@ -670,9 +672,12 @@ setup_io(struct inf_hw *hw)
(ulong)hw->cfg.start, (ulong)hw->cfg.size);
return err;
}
- if (hw->ci->cfg_mode == AM_MEMIO)
- hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size);
hw->cfg.mode = hw->ci->cfg_mode;
+ if (hw->ci->cfg_mode == AM_MEMIO) {
+ hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size);
+ if (!hw->cfg.p)
+ return -ENOMEM;
+ }
if (debug & DEBUG_HW)
pr_notice("%s: IO cfg %lx (%lu bytes) mode%d\n",
hw->name, (ulong)hw->cfg.start,
@@ -697,12 +702,12 @@ setup_io(struct inf_hw *hw)
(ulong)hw->addr.start, (ulong)hw->addr.size);
return err;
}
+ hw->addr.mode = hw->ci->addr_mode;
if (hw->ci->addr_mode == AM_MEMIO) {
hw->addr.p = ioremap(hw->addr.start, hw->addr.size);
- if (unlikely(!hw->addr.p))
+ if (!hw->addr.p)
return -ENOMEM;
}
- hw->addr.mode = hw->ci->addr_mode;
if (debug & DEBUG_HW)
pr_notice("%s: IO addr %lx (%lu bytes) mode%d\n",
hw->name, (ulong)hw->addr.start,
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index add7d4ce4180..e902aae685af 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -854,7 +854,7 @@ static int dm_add_exception(void *context, chunk_t old, chunk_t new)
static uint32_t __minimum_chunk_size(struct origin *o)
{
struct dm_snapshot *snap;
- unsigned chunk_size = 0;
+ unsigned chunk_size = rounddown_pow_of_two(UINT_MAX);

if (o)
list_for_each_entry(snap, &o->snapshots, list)
diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c
index 655db8272268..9767159aeb9b 100644
--- a/drivers/media/dvb-frontends/sp8870.c
+++ b/drivers/media/dvb-frontends/sp8870.c
@@ -281,7 +281,7 @@ static int sp8870_set_frontend_parameters(struct dvb_frontend *fe)

// read status reg in order to clear pending irqs
err = sp8870_readreg(state, 0x200);
- if (err)
+ if (err < 0)
return err;

// system controller start
diff --git a/drivers/media/usb/gspca/cpia1.c b/drivers/media/usb/gspca/cpia1.c
index a4f7431486f3..d93d384286c1 100644
--- a/drivers/media/usb/gspca/cpia1.c
+++ b/drivers/media/usb/gspca/cpia1.c
@@ -1424,7 +1424,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
{
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
- int ret;

sd->mainsFreq = FREQ_DEF == V4L2_CID_POWER_LINE_FREQUENCY_60HZ;
reset_camera_params(gspca_dev);
@@ -1436,10 +1435,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam->cam_mode = mode;
cam->nmodes = ARRAY_SIZE(mode);

- ret = goto_low_power(gspca_dev);
- if (ret)
- gspca_err(gspca_dev, "Cannot go to low power mode: %d\n",
- ret);
+ goto_low_power(gspca_dev);
/* Check the firmware version. */
sd->params.version.firmwareVersion = 0;
get_version_information(gspca_dev);
diff --git a/drivers/media/usb/gspca/m5602/m5602_mt9m111.c b/drivers/media/usb/gspca/m5602/m5602_mt9m111.c
index bfa3b381d8a2..bf1af6ed9131 100644
--- a/drivers/media/usb/gspca/m5602/m5602_mt9m111.c
+++ b/drivers/media/usb/gspca/m5602/m5602_mt9m111.c
@@ -195,7 +195,7 @@ static const struct v4l2_ctrl_config mt9m111_greenbal_cfg = {
int mt9m111_probe(struct sd *sd)
{
u8 data[2] = {0x00, 0x00};
- int i, rc = 0;
+ int i, err;
struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;

if (force_sensor) {
@@ -213,18 +213,18 @@ int mt9m111_probe(struct sd *sd)
/* Do the preinit */
for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) {
if (preinit_mt9m111[i][0] == BRIDGE) {
- rc |= m5602_write_bridge(sd,
- preinit_mt9m111[i][1],
- preinit_mt9m111[i][2]);
+ err = m5602_write_bridge(sd,
+ preinit_mt9m111[i][1],
+ preinit_mt9m111[i][2]);
} else {
data[0] = preinit_mt9m111[i][2];
data[1] = preinit_mt9m111[i][3];
- rc |= m5602_write_sensor(sd,
- preinit_mt9m111[i][1], data, 2);
+ err = m5602_write_sensor(sd,
+ preinit_mt9m111[i][1], data, 2);
}
+ if (err < 0)
+ return err;
}
- if (rc < 0)
- return rc;

if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2))
return -ENODEV;
diff --git a/drivers/media/usb/gspca/m5602/m5602_po1030.c b/drivers/media/usb/gspca/m5602/m5602_po1030.c
index d680b777f097..8fd99ceee4b6 100644
--- a/drivers/media/usb/gspca/m5602/m5602_po1030.c
+++ b/drivers/media/usb/gspca/m5602/m5602_po1030.c
@@ -154,8 +154,8 @@ static const struct v4l2_ctrl_config po1030_greenbal_cfg = {

int po1030_probe(struct sd *sd)
{
- int rc = 0;
u8 dev_id_h = 0, i;
+ int err;
struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;

if (force_sensor) {
@@ -174,14 +174,14 @@ int po1030_probe(struct sd *sd)
for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) {
u8 data = preinit_po1030[i][2];
if (preinit_po1030[i][0] == SENSOR)
- rc |= m5602_write_sensor(sd,
- preinit_po1030[i][1], &data, 1);
+ err = m5602_write_sensor(sd, preinit_po1030[i][1],
+ &data, 1);
else
- rc |= m5602_write_bridge(sd, preinit_po1030[i][1],
- data);
+ err = m5602_write_bridge(sd, preinit_po1030[i][1],
+ data);
+ if (err < 0)
+ return err;
}
- if (rc < 0)
- return rc;

if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1))
return -ENODEV;
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index 5c183c02dfd9..8d18f19c99c4 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -100,8 +100,9 @@
printk(KERN_INFO a); \
} while (0)
#define v2printk(a...) do { \
- if (verbose > 1) \
+ if (verbose > 1) { \
printk(KERN_INFO a); \
+ } \
touch_nmi_watchdog(); \
} while (0)
#define eprintk(a...) do { \
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
index 1b0c99883c57..c008eecfdfe8 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.h
+++ b/drivers/misc/lis3lv02d/lis3lv02d.h
@@ -271,6 +271,7 @@ struct lis3lv02d {
int regs_size;
u8 *reg_cache;
bool regs_stored;
+ bool init_required;
u8 odr_mask; /* ODR bit mask */
u8 whoami; /* indicates measurement precision */
s16 (*read_data) (struct lis3lv02d *lis3, int reg);
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index c70a8c74cc57..a70d989032c1 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -222,6 +222,9 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb,
return ret;
}

+ pm_runtime_mark_last_busy(dev->dev);
+ pm_request_autosuspend(dev->dev);
+
list_move_tail(&cb->list, &cl->rd_pending);

return 0;
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index 40b079162804..0f2bee59a82b 100644
--- a/drivers/net/caif/caif_serial.c
+++ b/drivers/net/caif/caif_serial.c
@@ -270,7 +270,6 @@ static int caif_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ser_device *ser;

- BUG_ON(dev == NULL);
ser = netdev_priv(dev);

/* Send flow off once, on high water mark */
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 00d680cb4441..071e5015bf91 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -809,14 +809,6 @@ mt7530_port_set_vlan_aware(struct dsa_switch *ds, int port)
{
struct mt7530_priv *priv = ds->priv;

- /* The real fabric path would be decided on the membership in the
- * entry of VLAN table. PCR_MATRIX set up here with ALL_MEMBERS
- * means potential VLAN can be consisting of certain subset of all
- * ports.
- */
- mt7530_rmw(priv, MT7530_PCR_P(port),
- PCR_MATRIX_MASK, PCR_MATRIX(MT7530_ALL_MEMBERS));
-
/* Trapped into security mode allows packet forwarding through VLAN
* table lookup. CPU port is set to fallback mode to let untagged
* frames pass through.
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index 3b51e87a3714..034f1b50ab28 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -178,6 +178,7 @@ static int sja1105_init_mii_settings(struct sja1105_private *priv,
default:
dev_err(dev, "Unsupported PHY mode %s!\n",
phy_modes(ports[i].phy_mode));
+ return -EINVAL;
}

mii->phy_mac[i] = ports[i].role;
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index fbc196b480b6..c3f67d8e1093 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -8249,9 +8249,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
BNX2_WR(bp, PCI_COMMAND, reg);
} else if ((BNX2_CHIP_ID(bp) == BNX2_CHIP_ID_5706_A1) &&
!(bp->flags & BNX2_FLAG_PCIX)) {
-
dev_err(&pdev->dev,
"5706 A1 can only be used in a PCIX bus, aborting\n");
+ rc = -EPERM;
goto err_out_unmap;
}

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 106f2b2ce17f..0dba28bb309a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -280,7 +280,8 @@ static bool bnxt_vf_pciid(enum board_idx idx)
{
return (idx == NETXTREME_C_VF || idx == NETXTREME_E_VF ||
idx == NETXTREME_S_VF || idx == NETXTREME_C_VF_HV ||
- idx == NETXTREME_E_VF_HV || idx == NETXTREME_E_P5_VF);
+ idx == NETXTREME_E_VF_HV || idx == NETXTREME_E_P5_VF ||
+ idx == NETXTREME_E_P5_VF_HV);
}

#define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID)
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index e338272931d1..94e87e7f277b 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -3282,7 +3282,7 @@ bnad_change_mtu(struct net_device *netdev, int new_mtu)
{
int err, mtu;
struct bnad *bnad = netdev_priv(netdev);
- u32 rx_count = 0, frame, new_frame;
+ u32 frame, new_frame;

mutex_lock(&bnad->conf_mutex);

@@ -3298,12 +3298,9 @@ bnad_change_mtu(struct net_device *netdev, int new_mtu)
/* only when transition is over 4K */
if ((frame <= 4096 && new_frame > 4096) ||
(frame > 4096 && new_frame <= 4096))
- rx_count = bnad_reinit_rx(bnad);
+ bnad_reinit_rx(bnad);
}

- /* rx_count > 0 - new rx created
- * - Linux set err = 0 and return
- */
err = bnad_mtu_set(bnad, new_frame);
if (err)
err = -EBUSY;
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 7f3b2e3b0868..d0c77ff9dbb1 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -1179,7 +1179,7 @@ static void octeon_destroy_resources(struct octeon_device *oct)
* @param lio per-network private data
* @param start_stop whether to start or stop
*/
-static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
+static int send_rx_ctrl_cmd(struct lio *lio, int start_stop)
{
struct octeon_soft_command *sc;
union octnet_cmd *ncmd;
@@ -1187,15 +1187,15 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
int retval;

if (oct->props[lio->ifidx].rx_on == start_stop)
- return;
+ return 0;

sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
16, 0);
if (!sc) {
netif_info(lio, rx_err, lio->netdev,
- "Failed to allocate octeon_soft_command\n");
- return;
+ "Failed to allocate octeon_soft_command struct\n");
+ return -ENOMEM;
}

ncmd = (union octnet_cmd *)sc->virtdptr;
@@ -1218,18 +1218,19 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
if (retval == IQ_SEND_FAILED) {
netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n");
octeon_free_soft_command(oct, sc);
- return;
} else {
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
retval = wait_for_sc_completion_timeout(oct, sc, 0);
if (retval)
- return;
+ return retval;

oct->props[lio->ifidx].rx_on = start_stop;
WRITE_ONCE(sc->caller_is_done, true);
}
+
+ return retval;
}

/**
@@ -1816,6 +1817,7 @@ static int liquidio_open(struct net_device *netdev)
struct octeon_device_priv *oct_priv =
(struct octeon_device_priv *)oct->priv;
struct napi_struct *napi, *n;
+ int ret = 0;

if (oct->props[lio->ifidx].napi_enabled == 0) {
tasklet_disable(&oct_priv->droq_tasklet);
@@ -1851,7 +1853,9 @@ static int liquidio_open(struct net_device *netdev)
netif_info(lio, ifup, lio->netdev, "Interface Open, ready for traffic\n");

/* tell Octeon to start forwarding packets to host */
- send_rx_ctrl_cmd(lio, 1);
+ ret = send_rx_ctrl_cmd(lio, 1);
+ if (ret)
+ return ret;

/* start periodical statistics fetch */
INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats);
@@ -1862,7 +1866,7 @@ static int liquidio_open(struct net_device *netdev)
dev_info(&oct->pci_dev->dev, "%s interface is opened\n",
netdev->name);

- return 0;
+ return ret;
}

/**
@@ -1876,6 +1880,7 @@ static int liquidio_stop(struct net_device *netdev)
struct octeon_device_priv *oct_priv =
(struct octeon_device_priv *)oct->priv;
struct napi_struct *napi, *n;
+ int ret = 0;

ifstate_reset(lio, LIO_IFSTATE_RUNNING);

@@ -1892,7 +1897,9 @@ static int liquidio_stop(struct net_device *netdev)
lio->link_changes++;

/* Tell Octeon that nic interface is down. */
- send_rx_ctrl_cmd(lio, 0);
+ ret = send_rx_ctrl_cmd(lio, 0);
+ if (ret)
+ return ret;

if (OCTEON_CN23XX_PF(oct)) {
if (!oct->msix_on)
@@ -1927,7 +1934,7 @@ static int liquidio_stop(struct net_device *netdev)

dev_info(&oct->pci_dev->dev, "%s interface is stopped\n", netdev->name);

- return 0;
+ return ret;
}

/**
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
index 370d76822ee0..929da9e9fe9a 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -598,7 +598,7 @@ static void octeon_destroy_resources(struct octeon_device *oct)
* @param lio per-network private data
* @param start_stop whether to start or stop
*/
-static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
+static int send_rx_ctrl_cmd(struct lio *lio, int start_stop)
{
struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
struct octeon_soft_command *sc;
@@ -606,11 +606,16 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
int retval;

if (oct->props[lio->ifidx].rx_on == start_stop)
- return;
+ return 0;

sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
16, 0);
+ if (!sc) {
+ netif_info(lio, rx_err, lio->netdev,
+ "Failed to allocate octeon_soft_command struct\n");
+ return -ENOMEM;
+ }

ncmd = (union octnet_cmd *)sc->virtdptr;

@@ -638,11 +643,13 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
*/
retval = wait_for_sc_completion_timeout(oct, sc, 0);
if (retval)
- return;
+ return retval;

oct->props[lio->ifidx].rx_on = start_stop;
WRITE_ONCE(sc->caller_is_done, true);
}
+
+ return retval;
}

/**
@@ -909,6 +916,7 @@ static int liquidio_open(struct net_device *netdev)
struct octeon_device_priv *oct_priv =
(struct octeon_device_priv *)oct->priv;
struct napi_struct *napi, *n;
+ int ret = 0;

if (!oct->props[lio->ifidx].napi_enabled) {
tasklet_disable(&oct_priv->droq_tasklet);
@@ -935,11 +943,13 @@ static int liquidio_open(struct net_device *netdev)
(LIQUIDIO_NDEV_STATS_POLL_TIME_MS));

/* tell Octeon to start forwarding packets to host */
- send_rx_ctrl_cmd(lio, 1);
+ ret = send_rx_ctrl_cmd(lio, 1);
+ if (ret)
+ return ret;

dev_info(&oct->pci_dev->dev, "%s interface is opened\n", netdev->name);

- return 0;
+ return ret;
}

/**
@@ -953,9 +963,12 @@ static int liquidio_stop(struct net_device *netdev)
struct octeon_device_priv *oct_priv =
(struct octeon_device_priv *)oct->priv;
struct napi_struct *napi, *n;
+ int ret = 0;

/* tell Octeon to stop forwarding packets to host */
- send_rx_ctrl_cmd(lio, 0);
+ ret = send_rx_ctrl_cmd(lio, 0);
+ if (ret)
+ return ret;

netif_info(lio, ifdown, lio->netdev, "Stopping interface!\n");
/* Inform that netif carrier is down */
@@ -989,7 +1002,7 @@ static int liquidio_stop(struct net_device *netdev)

dev_info(&oct->pci_dev->dev, "%s interface is stopped\n", netdev->name);

- return 0;
+ return ret;
}

/**
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
index 64a2453e06ba..ccb28182f745 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
@@ -778,7 +778,7 @@ void clear_all_filters(struct adapter *adapter)
cxgb4_del_filter(dev, i, &f->fs);
}

- sb = t4_read_reg(adapter, LE_DB_SRVR_START_INDEX_A);
+ sb = adapter->tids.stid_base;
for (i = 0; i < sb; i++) {
f = (struct filter_entry *)adapter->tids.tid_tab[i];

diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
index f16853c3c851..c813e6f2b371 100644
--- a/drivers/net/ethernet/dec/tulip/de4x5.c
+++ b/drivers/net/ethernet/dec/tulip/de4x5.c
@@ -4927,11 +4927,11 @@ mii_get_oui(u_char phyaddr, u_long ioaddr)
u_char breg[2];
} a;
int i, r2, r3, ret=0;*/
- int r2, r3;
+ int r2;

/* Read r2 and r3 */
r2 = mii_rd(MII_ID0, phyaddr, ioaddr);
- r3 = mii_rd(MII_ID1, phyaddr, ioaddr);
+ mii_rd(MII_ID1, phyaddr, ioaddr);
/* SEEQ and Cypress way * /
/ * Shuffle r2 and r3 * /
a.reg=0;
diff --git a/drivers/net/ethernet/dec/tulip/media.c b/drivers/net/ethernet/dec/tulip/media.c
index dcf21a36a9cf..011604787b8e 100644
--- a/drivers/net/ethernet/dec/tulip/media.c
+++ b/drivers/net/ethernet/dec/tulip/media.c
@@ -319,13 +319,8 @@ void tulip_select_media(struct net_device *dev, int startup)
break;
}
case 5: case 6: {
- u16 setup[5];
-
new_csr6 = 0; /* FIXME */

- for (i = 0; i < 5; i++)
- setup[i] = get_u16(&p[i*2 + 1]);
-
if (startup && mtable->has_reset) {
struct medialeaf *rleaf = &mtable->mleaf[mtable->has_reset];
unsigned char *rst = rleaf->leafdata;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index fd7fc6f20c9d..b1856552ab81 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3274,7 +3274,9 @@ static int fec_enet_init(struct net_device *ndev)
return ret;
}

- fec_enet_alloc_queue(ndev);
+ ret = fec_enet_alloc_queue(ndev);
+ if (ret)
+ return ret;

bd_size = (fep->total_tx_ring_size + fep->total_rx_ring_size) * dsize;

@@ -3282,7 +3284,8 @@ static int fec_enet_init(struct net_device *ndev)
cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma,
GFP_KERNEL);
if (!cbd_base) {
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto free_queue_mem;
}

/* Get the Ethernet address */
@@ -3360,6 +3363,10 @@ static int fec_enet_init(struct net_device *ndev)
fec_enet_update_ethtool_stats(ndev);

return 0;
+
+free_queue_mem:
+ fec_enet_free_queue(ndev);
+ return ret;
}

#ifdef CONFIG_OF
diff --git a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c
index 1eca0fdb9933..b8fc9bbeca2c 100644
--- a/drivers/net/ethernet/fujitsu/fmvj18x_cs.c
+++ b/drivers/net/ethernet/fujitsu/fmvj18x_cs.c
@@ -548,8 +548,8 @@ static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)

base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
if (!base) {
- pcmcia_release_window(link, link->resource[2]);
- return -ENOMEM;
+ pcmcia_release_window(link, link->resource[2]);
+ return -1;
}

pcmcia_map_mem_page(link, link->resource[2], 0);
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index 9b7a8db9860f..6ea0975d74a1 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -121,7 +121,7 @@ static int gve_napi_poll(struct napi_struct *napi, int budget)
/* Double check we have no extra work.
* Ensure unmask synchronizes with checking for work.
*/
- dma_rmb();
+ mb();
if (block->tx)
reschedule |= gve_tx_poll(block, -1);
if (block->rx)
@@ -161,6 +161,7 @@ static int gve_alloc_notify_blocks(struct gve_priv *priv)
int vecs_left = new_num_ntfy_blks % 2;

priv->num_ntfy_blks = new_num_ntfy_blks;
+ priv->mgmt_msix_idx = priv->num_ntfy_blks;
priv->tx_cfg.max_queues = min_t(int, priv->tx_cfg.max_queues,
vecs_per_type);
priv->rx_cfg.max_queues = min_t(int, priv->rx_cfg.max_queues,
@@ -241,20 +242,22 @@ static void gve_free_notify_blocks(struct gve_priv *priv)
{
int i;

- /* Free the irqs */
- for (i = 0; i < priv->num_ntfy_blks; i++) {
- struct gve_notify_block *block = &priv->ntfy_blocks[i];
- int msix_idx = i;
+ if (priv->msix_vectors) {
+ /* Free the irqs */
+ for (i = 0; i < priv->num_ntfy_blks; i++) {
+ struct gve_notify_block *block = &priv->ntfy_blocks[i];
+ int msix_idx = i;

- irq_set_affinity_hint(priv->msix_vectors[msix_idx].vector,
- NULL);
- free_irq(priv->msix_vectors[msix_idx].vector, block);
+ irq_set_affinity_hint(priv->msix_vectors[msix_idx].vector,
+ NULL);
+ free_irq(priv->msix_vectors[msix_idx].vector, block);
+ }
+ free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv);
}
dma_free_coherent(&priv->pdev->dev,
priv->num_ntfy_blks * sizeof(*priv->ntfy_blocks),
priv->ntfy_blocks, priv->ntfy_block_bus);
priv->ntfy_blocks = NULL;
- free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv);
pci_disable_msix(priv->pdev);
kvfree(priv->msix_vectors);
priv->msix_vectors = NULL;
diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c
index d0244feb0301..b653197b34d1 100644
--- a/drivers/net/ethernet/google/gve/gve_tx.c
+++ b/drivers/net/ethernet/google/gve/gve_tx.c
@@ -207,10 +207,12 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)
goto abort_with_info;

tx->tx_fifo.qpl = gve_assign_tx_qpl(priv);
+ if (!tx->tx_fifo.qpl)
+ goto abort_with_desc;

/* map Tx FIFO */
if (gve_tx_fifo_init(priv, &tx->tx_fifo))
- goto abort_with_desc;
+ goto abort_with_qpl;

tx->q_resources =
dma_alloc_coherent(hdev,
@@ -229,6 +231,8 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)

abort_with_fifo:
gve_tx_fifo_release(priv, &tx->tx_fifo);
+abort_with_qpl:
+ gve_unassign_qpl(priv, tx->tx_fifo.qpl->id);
abort_with_desc:
dma_free_coherent(hdev, bytes, tx->desc, tx->bus);
tx->desc = NULL;
@@ -478,7 +482,7 @@ netdev_tx_t gve_tx(struct sk_buff *skb, struct net_device *dev)
struct gve_tx_ring *tx;
int nsegs;

- WARN(skb_get_queue_mapping(skb) > priv->tx_cfg.num_queues,
+ WARN(skb_get_queue_mapping(skb) >= priv->tx_cfg.num_queues,
"skb queue index out of range");
tx = &priv->tx[skb_get_queue_mapping(skb)];
if (unlikely(gve_maybe_stop_tx(tx, skb))) {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 5f2948bafff2..e64e17516206 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -810,8 +810,6 @@ static bool hns3_tunnel_csum_bug(struct sk_buff *skb)
l4.udp->dest == htons(4790))))
return false;

- skb_checksum_help(skb);
-
return true;
}

@@ -889,8 +887,7 @@ static int hns3_set_l2l3l4(struct sk_buff *skb, u8 ol4_proto,
/* the stack computes the IP header already,
* driver calculate l4 checksum when not TSO.
*/
- skb_checksum_help(skb);
- return 0;
+ return skb_checksum_help(skb);
}

hns3_set_outer_l2l3l4(skb, ol4_proto, ol_type_vlan_len_msec);
@@ -935,7 +932,7 @@ static int hns3_set_l2l3l4(struct sk_buff *skb, u8 ol4_proto,
break;
case IPPROTO_UDP:
if (hns3_tunnel_csum_bug(skb))
- break;
+ return skb_checksum_help(skb);

hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4CS_B, 1);
hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4T_S,
@@ -960,8 +957,7 @@ static int hns3_set_l2l3l4(struct sk_buff *skb, u8 ol4_proto,
/* the stack computes the IP header already,
* driver calculate l4 checksum when not TSO.
*/
- skb_checksum_help(skb);
- return 0;
+ return skb_checksum_help(skb);
}

return 0;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 537dfff585e0..47a920128760 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -467,12 +467,16 @@ static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
return err;
}

-static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
+static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf)
{
struct ixgbe_hw *hw = &adapter->hw;
- int max_frame = msgbuf[1];
u32 max_frs;

+ if (max_frame < ETH_MIN_MTU || max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
+ e_err(drv, "VF max_frame %d out of range\n", max_frame);
+ return -EINVAL;
+ }
+
/*
* For 82599EB we have to keep all PFs and VFs operating with
* the same max_frame value in order to avoid sending an oversize
@@ -533,12 +537,6 @@ static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
}
}

- /* MTU < 68 is an error and causes problems on some kernels */
- if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
- e_err(drv, "VF max_frame %d out of range\n", max_frame);
- return -EINVAL;
- }
-
/* pull current max frame size from hardware */
max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
max_frs &= IXGBE_MHADD_MFS_MASK;
@@ -1249,7 +1247,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
break;
case IXGBE_VF_SET_LPE:
- retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
+ retval = ixgbe_set_vf_lpe(adapter, msgbuf[1], vf);
break;
case IXGBE_VF_SET_MACVLAN:
retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 4e44a39267eb..6ece99e6b6dd 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -154,6 +154,7 @@ static int xrx200_close(struct net_device *net_dev)

static int xrx200_alloc_skb(struct xrx200_chan *ch)
{
+ dma_addr_t mapping;
int ret = 0;

ch->skb[ch->dma.desc] = netdev_alloc_skb_ip_align(ch->priv->net_dev,
@@ -163,16 +164,17 @@ static int xrx200_alloc_skb(struct xrx200_chan *ch)
goto skip;
}

- ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(ch->priv->dev,
- ch->skb[ch->dma.desc]->data, XRX200_DMA_DATA_LEN,
- DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(ch->priv->dev,
- ch->dma.desc_base[ch->dma.desc].addr))) {
+ mapping = dma_map_single(ch->priv->dev, ch->skb[ch->dma.desc]->data,
+ XRX200_DMA_DATA_LEN, DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(ch->priv->dev, mapping))) {
dev_kfree_skb_any(ch->skb[ch->dma.desc]);
ret = -ENOMEM;
goto skip;
}

+ ch->dma.desc_base[ch->dma.desc].addr = mapping;
+ /* Make sure the address is written before we give it to HW */
+ wmb();
skip:
ch->dma.desc_base[ch->dma.desc].ctl =
LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) |
@@ -196,6 +198,8 @@ static int xrx200_hw_receive(struct xrx200_chan *ch)
ch->dma.desc %= LTQ_DESC_NUM;

if (ret) {
+ ch->skb[ch->dma.desc] = skb;
+ net_dev->stats.rx_dropped++;
netdev_err(net_dev, "failed to allocate new rx buffer\n");
return ret;
}
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 7e3806fd70b2..48b395b9c15a 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -675,32 +675,53 @@ static int mtk_set_mac_address(struct net_device *dev, void *p)
void mtk_stats_update_mac(struct mtk_mac *mac)
{
struct mtk_hw_stats *hw_stats = mac->hw_stats;
- unsigned int base = MTK_GDM1_TX_GBCNT;
- u64 stats;
-
- base += hw_stats->reg_offset;
+ struct mtk_eth *eth = mac->hw;

u64_stats_update_begin(&hw_stats->syncp);

- hw_stats->rx_bytes += mtk_r32(mac->hw, base);
- stats = mtk_r32(mac->hw, base + 0x04);
- if (stats)
- hw_stats->rx_bytes += (stats << 32);
- hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x08);
- hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x10);
- hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x14);
- hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x18);
- hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x1c);
- hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x20);
- hw_stats->rx_flow_control_packets +=
- mtk_r32(mac->hw, base + 0x24);
- hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x28);
- hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x2c);
- hw_stats->tx_bytes += mtk_r32(mac->hw, base + 0x30);
- stats = mtk_r32(mac->hw, base + 0x34);
- if (stats)
- hw_stats->tx_bytes += (stats << 32);
- hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x38);
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) {
+ hw_stats->tx_packets += mtk_r32(mac->hw, MT7628_SDM_TPCNT);
+ hw_stats->tx_bytes += mtk_r32(mac->hw, MT7628_SDM_TBCNT);
+ hw_stats->rx_packets += mtk_r32(mac->hw, MT7628_SDM_RPCNT);
+ hw_stats->rx_bytes += mtk_r32(mac->hw, MT7628_SDM_RBCNT);
+ hw_stats->rx_checksum_errors +=
+ mtk_r32(mac->hw, MT7628_SDM_CS_ERR);
+ } else {
+ unsigned int offs = hw_stats->reg_offset;
+ u64 stats;
+
+ hw_stats->rx_bytes += mtk_r32(mac->hw,
+ MTK_GDM1_RX_GBCNT_L + offs);
+ stats = mtk_r32(mac->hw, MTK_GDM1_RX_GBCNT_H + offs);
+ if (stats)
+ hw_stats->rx_bytes += (stats << 32);
+ hw_stats->rx_packets +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_GPCNT + offs);
+ hw_stats->rx_overflow +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_OERCNT + offs);
+ hw_stats->rx_fcs_errors +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_FERCNT + offs);
+ hw_stats->rx_short_errors +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_SERCNT + offs);
+ hw_stats->rx_long_errors +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_LENCNT + offs);
+ hw_stats->rx_checksum_errors +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_CERCNT + offs);
+ hw_stats->rx_flow_control_packets +=
+ mtk_r32(mac->hw, MTK_GDM1_RX_FCCNT + offs);
+ hw_stats->tx_skip +=
+ mtk_r32(mac->hw, MTK_GDM1_TX_SKIPCNT + offs);
+ hw_stats->tx_collisions +=
+ mtk_r32(mac->hw, MTK_GDM1_TX_COLCNT + offs);
+ hw_stats->tx_bytes +=
+ mtk_r32(mac->hw, MTK_GDM1_TX_GBCNT_L + offs);
+ stats = mtk_r32(mac->hw, MTK_GDM1_TX_GBCNT_H + offs);
+ if (stats)
+ hw_stats->tx_bytes += (stats << 32);
+ hw_stats->tx_packets +=
+ mtk_r32(mac->hw, MTK_GDM1_TX_GPCNT + offs);
+ }
+
u64_stats_update_end(&hw_stats->syncp);
}

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 1e9202b34d35..c0b2768b480f 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -264,8 +264,21 @@
/* QDMA FQ Free Page Buffer Length Register */
#define MTK_QDMA_FQ_BLEN 0x1B2C

-/* GMA1 Received Good Byte Count Register */
-#define MTK_GDM1_TX_GBCNT 0x2400
+/* GMA1 counter / statics register */
+#define MTK_GDM1_RX_GBCNT_L 0x2400
+#define MTK_GDM1_RX_GBCNT_H 0x2404
+#define MTK_GDM1_RX_GPCNT 0x2408
+#define MTK_GDM1_RX_OERCNT 0x2410
+#define MTK_GDM1_RX_FERCNT 0x2414
+#define MTK_GDM1_RX_SERCNT 0x2418
+#define MTK_GDM1_RX_LENCNT 0x241c
+#define MTK_GDM1_RX_CERCNT 0x2420
+#define MTK_GDM1_RX_FCCNT 0x2424
+#define MTK_GDM1_TX_SKIPCNT 0x2428
+#define MTK_GDM1_TX_COLCNT 0x242c
+#define MTK_GDM1_TX_GBCNT_L 0x2430
+#define MTK_GDM1_TX_GBCNT_H 0x2434
+#define MTK_GDM1_TX_GPCNT 0x2438
#define MTK_STAT_OFFSET 0x40

/* QDMA descriptor txd4 */
@@ -476,6 +489,13 @@
#define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c)
#define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10)

+/* Counter / stat register */
+#define MT7628_SDM_TPCNT (MT7628_SDM_OFFSET + 0x100)
+#define MT7628_SDM_TBCNT (MT7628_SDM_OFFSET + 0x104)
+#define MT7628_SDM_RPCNT (MT7628_SDM_OFFSET + 0x108)
+#define MT7628_SDM_RBCNT (MT7628_SDM_OFFSET + 0x10c)
+#define MT7628_SDM_CS_ERR (MT7628_SDM_OFFSET + 0x110)
+
struct mtk_rx_dma {
unsigned int rxd1;
unsigned int rxd2;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 5582fba2f582..426786a349c3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -2011,8 +2011,6 @@ static int mlx4_en_set_tunable(struct net_device *dev,
return ret;
}

-#define MLX4_EEPROM_PAGE_LEN 256
-
static int mlx4_en_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
@@ -2047,7 +2045,7 @@ static int mlx4_en_get_module_info(struct net_device *dev,
break;
case MLX4_MODULE_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
- modinfo->eeprom_len = MLX4_EEPROM_PAGE_LEN;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
break;
default:
return -EINVAL;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 605c079d4841..b0837ad94da6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -868,6 +868,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
struct mlx4_en_tx_desc *tx_desc;
struct mlx4_wqe_data_seg *data;
struct mlx4_en_tx_info *tx_info;
+ u32 __maybe_unused ring_cons;
int tx_ind;
int nr_txbb;
int desc_size;
@@ -881,7 +882,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
bool stop_queue;
bool inline_ok;
u8 data_offset;
- u32 ring_cons;
bool bf_ok;

tx_ind = skb_get_queue_mapping(skb);
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index ba6ac31a339d..256a06b3c096 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -1973,6 +1973,7 @@ EXPORT_SYMBOL(mlx4_get_roce_gid_from_slave);
#define I2C_ADDR_LOW 0x50
#define I2C_ADDR_HIGH 0x51
#define I2C_PAGE_SIZE 256
+#define I2C_HIGH_PAGE_SIZE 128

/* Module Info Data */
struct mlx4_cable_info {
@@ -2026,6 +2027,88 @@ static inline const char *cable_info_mad_err_str(u16 mad_status)
return "Unknown Error";
}

+static int mlx4_get_module_id(struct mlx4_dev *dev, u8 port, u8 *module_id)
+{
+ struct mlx4_cmd_mailbox *inbox, *outbox;
+ struct mlx4_mad_ifc *inmad, *outmad;
+ struct mlx4_cable_info *cable_info;
+ int ret;
+
+ inbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(inbox))
+ return PTR_ERR(inbox);
+
+ outbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(outbox)) {
+ mlx4_free_cmd_mailbox(dev, inbox);
+ return PTR_ERR(outbox);
+ }
+
+ inmad = (struct mlx4_mad_ifc *)(inbox->buf);
+ outmad = (struct mlx4_mad_ifc *)(outbox->buf);
+
+ inmad->method = 0x1; /* Get */
+ inmad->class_version = 0x1;
+ inmad->mgmt_class = 0x1;
+ inmad->base_version = 0x1;
+ inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */
+
+ cable_info = (struct mlx4_cable_info *)inmad->data;
+ cable_info->dev_mem_address = 0;
+ cable_info->page_num = 0;
+ cable_info->i2c_addr = I2C_ADDR_LOW;
+ cable_info->size = cpu_to_be16(1);
+
+ ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3,
+ MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C,
+ MLX4_CMD_NATIVE);
+ if (ret)
+ goto out;
+
+ if (be16_to_cpu(outmad->status)) {
+ /* Mad returned with bad status */
+ ret = be16_to_cpu(outmad->status);
+ mlx4_warn(dev,
+ "MLX4_CMD_MAD_IFC Get Module ID attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n",
+ 0xFF60, port, I2C_ADDR_LOW, 0, 1, ret,
+ cable_info_mad_err_str(ret));
+ ret = -ret;
+ goto out;
+ }
+ cable_info = (struct mlx4_cable_info *)outmad->data;
+ *module_id = cable_info->data[0];
+out:
+ mlx4_free_cmd_mailbox(dev, inbox);
+ mlx4_free_cmd_mailbox(dev, outbox);
+ return ret;
+}
+
+static void mlx4_sfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset)
+{
+ *i2c_addr = I2C_ADDR_LOW;
+ *page_num = 0;
+
+ if (*offset < I2C_PAGE_SIZE)
+ return;
+
+ *i2c_addr = I2C_ADDR_HIGH;
+ *offset -= I2C_PAGE_SIZE;
+}
+
+static void mlx4_qsfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset)
+{
+ /* Offsets 0-255 belong to page 0.
+ * Offsets 256-639 belong to pages 01, 02, 03.
+ * For example, offset 400 is page 02: 1 + (400 - 256) / 128 = 2
+ */
+ if (*offset < I2C_PAGE_SIZE)
+ *page_num = 0;
+ else
+ *page_num = 1 + (*offset - I2C_PAGE_SIZE) / I2C_HIGH_PAGE_SIZE;
+ *i2c_addr = I2C_ADDR_LOW;
+ *offset -= *page_num * I2C_HIGH_PAGE_SIZE;
+}
+
/**
* mlx4_get_module_info - Read cable module eeprom data
* @dev: mlx4_dev.
@@ -2045,12 +2128,30 @@ int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
struct mlx4_cmd_mailbox *inbox, *outbox;
struct mlx4_mad_ifc *inmad, *outmad;
struct mlx4_cable_info *cable_info;
- u16 i2c_addr;
+ u8 module_id, i2c_addr, page_num;
int ret;

if (size > MODULE_INFO_MAX_READ)
size = MODULE_INFO_MAX_READ;

+ ret = mlx4_get_module_id(dev, port, &module_id);
+ if (ret)
+ return ret;
+
+ switch (module_id) {
+ case MLX4_MODULE_ID_SFP:
+ mlx4_sfp_eeprom_params_set(&i2c_addr, &page_num, &offset);
+ break;
+ case MLX4_MODULE_ID_QSFP:
+ case MLX4_MODULE_ID_QSFP_PLUS:
+ case MLX4_MODULE_ID_QSFP28:
+ mlx4_qsfp_eeprom_params_set(&i2c_addr, &page_num, &offset);
+ break;
+ default:
+ mlx4_err(dev, "Module ID not recognized: %#x\n", module_id);
+ return -EINVAL;
+ }
+
inbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(inbox))
return PTR_ERR(inbox);
@@ -2076,11 +2177,9 @@ int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
*/
size -= offset + size - I2C_PAGE_SIZE;

- i2c_addr = I2C_ADDR_LOW;
-
cable_info = (struct mlx4_cable_info *)inmad->data;
cable_info->dev_mem_address = cpu_to_be16(offset);
- cable_info->page_num = 0;
+ cable_info->page_num = page_num;
cable_info->i2c_addr = i2c_addr;
cable_info->size = cpu_to_be16(size);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 6495c26d9596..fe7342e8a043 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3170,8 +3170,12 @@ static int add_vlan_push_action(struct mlx5e_priv *priv,
if (err)
return err;

- *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev),
- dev_get_iflink(vlan_dev));
+ rcu_read_lock();
+ *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev));
+ rcu_read_unlock();
+ if (!*out_dev)
+ return -ENODEV;
+
if (is_vlan_dev(*out_dev))
err = add_vlan_push_action(priv, attr, out_dev, action);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 5d20d615663e..bdc7f915d80e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
@@ -307,6 +307,11 @@ int mlx5_lag_mp_init(struct mlx5_lag *ldev)
struct lag_mp *mp = &ldev->lag_mp;
int err;

+ /* always clear mfi, as it might become stale when a route delete event
+ * has been missed
+ */
+ mp->mfi = NULL;
+
if (mp->fib_nb.notifier_call)
return 0;

@@ -328,4 +333,5 @@ void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev)

unregister_fib_notifier(&mp->fib_nb);
mp->fib_nb.notifier_call = NULL;
+ mp->mfi = NULL;
}
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index e102e1560ac7..7dc451fdaf35 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -1649,8 +1649,7 @@ static inline void set_tx_len(struct ksz_desc *desc, u32 len)

#define HW_DELAY(hw, reg) \
do { \
- u16 dummy; \
- dummy = readw(hw->io + reg); \
+ readw(hw->io + reg); \
} while (0)

/**
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 4bbdc53eaf3f..dfa0ded169ee 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -156,9 +156,8 @@ static void lan743x_tx_isr(void *context, u32 int_sts, u32 flags)
struct lan743x_tx *tx = context;
struct lan743x_adapter *adapter = tx->adapter;
bool enable_flag = true;
- u32 int_en = 0;

- int_en = lan743x_csr_read(adapter, INT_EN_SET);
+ lan743x_csr_read(adapter, INT_EN_SET);
if (flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CLEAR) {
lan743x_csr_write(adapter, INT_EN_CLR,
INT_BIT_DMA_TX_(tx->channel_number));
@@ -1631,10 +1630,9 @@ static int lan743x_tx_napi_poll(struct napi_struct *napi, int weight)
bool start_transmitter = false;
unsigned long irq_flags = 0;
u32 ioc_bit = 0;
- u32 int_sts = 0;

ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number);
- int_sts = lan743x_csr_read(adapter, DMAC_INT_STS);
+ lan743x_csr_read(adapter, DMAC_INT_STS);
if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_STATUS_W2C)
lan743x_csr_write(adapter, DMAC_INT_STS, ioc_bit);
spin_lock_irqsave(&tx->ring_lock, irq_flags);
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
index 709d20d9938f..bd525e8eda10 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
@@ -30,8 +30,6 @@
*/
enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
{
- u64 val64;
-
struct __vxge_hw_virtualpath *vpath;
struct vxge_hw_vpath_reg __iomem *vp_reg;
enum vxge_hw_status status = VXGE_HW_OK;
@@ -84,7 +82,7 @@ enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
&vp_reg->xgmac_vp_int_status);

- val64 = readq(&vp_reg->vpath_general_int_status);
+ readq(&vp_reg->vpath_general_int_status);

/* Mask unwanted interrupts */

@@ -157,8 +155,6 @@ enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
enum vxge_hw_status vxge_hw_vpath_intr_disable(
struct __vxge_hw_vpath_handle *vp)
{
- u64 val64;
-
struct __vxge_hw_virtualpath *vpath;
enum vxge_hw_status status = VXGE_HW_OK;
struct vxge_hw_vpath_reg __iomem *vp_reg;
@@ -179,8 +175,6 @@ enum vxge_hw_status vxge_hw_vpath_intr_disable(
(u32)VXGE_HW_INTR_MASK_ALL,
&vp_reg->vpath_general_int_mask);

- val64 = VXGE_HW_TIM_CLR_INT_EN_VP(1 << (16 - vpath->vp_id));
-
writeq(VXGE_HW_INTR_MASK_ALL, &vp_reg->kdfcctl_errors_mask);

__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
@@ -487,9 +481,7 @@ void vxge_hw_device_unmask_all(struct __vxge_hw_device *hldev)
*/
void vxge_hw_device_flush_io(struct __vxge_hw_device *hldev)
{
- u32 val32;
-
- val32 = readl(&hldev->common_reg->titan_general_int_status);
+ readl(&hldev->common_reg->titan_general_int_status);
}

/**
@@ -1716,8 +1708,8 @@ void vxge_hw_fifo_txdl_free(struct __vxge_hw_fifo *fifo, void *txdlh)
enum vxge_hw_status
vxge_hw_vpath_mac_addr_add(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN],
+ u8 *macaddr,
+ u8 *macaddr_mask,
enum vxge_hw_vpath_mac_addr_add_mode duplicate_mode)
{
u32 i;
@@ -1779,8 +1771,8 @@ vxge_hw_vpath_mac_addr_add(
enum vxge_hw_status
vxge_hw_vpath_mac_addr_get(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -1831,8 +1823,8 @@ vxge_hw_vpath_mac_addr_get(
enum vxge_hw_status
vxge_hw_vpath_mac_addr_get_next(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -1884,8 +1876,8 @@ vxge_hw_vpath_mac_addr_get_next(
enum vxge_hw_status
vxge_hw_vpath_mac_addr_delete(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -2375,7 +2367,6 @@ enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ring)
u8 t_code;
enum vxge_hw_status status = VXGE_HW_OK;
void *first_rxdh;
- u64 val64 = 0;
int new_count = 0;

ring->cmpl_cnt = 0;
@@ -2403,8 +2394,7 @@ enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ring)
}
writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(new_count),
&ring->vp_reg->prc_rxd_doorbell);
- val64 =
- readl(&ring->common_reg->titan_general_int_status);
+ readl(&ring->common_reg->titan_general_int_status);
ring->doorbell_cnt = 0;
}
}
diff --git a/drivers/net/ethernet/sfc/falcon/farch.c b/drivers/net/ethernet/sfc/falcon/farch.c
index 332183280a45..612a43233b18 100644
--- a/drivers/net/ethernet/sfc/falcon/farch.c
+++ b/drivers/net/ethernet/sfc/falcon/farch.c
@@ -870,17 +870,12 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
{
struct ef4_channel *channel = ef4_rx_queue_channel(rx_queue);
struct ef4_nic *efx = rx_queue->efx;
- bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
+ bool __maybe_unused rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
- bool rx_ev_other_err, rx_ev_pause_frm;
- bool rx_ev_hdr_type, rx_ev_mcast_pkt;
- unsigned rx_ev_pkt_type;
+ bool rx_ev_pause_frm;

- rx_ev_hdr_type = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
- rx_ev_mcast_pkt = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
rx_ev_tobe_disc = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_TOBE_DISC);
- rx_ev_pkt_type = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
rx_ev_buf_owner_id_err = EF4_QWORD_FIELD(*event,
FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
rx_ev_ip_hdr_chksum_err = EF4_QWORD_FIELD(*event,
@@ -893,10 +888,6 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
0 : EF4_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
rx_ev_pause_frm = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);

- /* Every error apart from tobe_disc and pause_frm */
- rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
- rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
- rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);

/* Count errors that are not in MAC stats. Ignore expected
* checksum errors during self-test. */
@@ -916,6 +907,13 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
* to a FIFO overflow.
*/
#ifdef DEBUG
+ {
+ /* Every error apart from tobe_disc and pause_frm */
+
+ bool rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
+ rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
+ rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
+
if (rx_ev_other_err && net_ratelimit()) {
netif_dbg(efx, rx_err, efx->net_dev,
" RX queue %d unexpected RX event "
@@ -932,6 +930,7 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
rx_ev_tobe_disc ? " [TOBE_DISC]" : "",
rx_ev_pause_frm ? " [PAUSE]" : "");
}
+ }
#endif

/* The frame must be discarded if any of these are true. */
@@ -1643,15 +1642,11 @@ void ef4_farch_rx_push_indir_table(struct ef4_nic *efx)
*/
void ef4_farch_dimension_resources(struct ef4_nic *efx, unsigned sram_lim_qw)
{
- unsigned vi_count, buftbl_min;
+ unsigned vi_count;

/* Account for the buffer table entries backing the datapath channels
* and the descriptor caches for those channels.
*/
- buftbl_min = ((efx->n_rx_channels * EF4_MAX_DMAQ_SIZE +
- efx->n_tx_channels * EF4_TXQ_TYPES * EF4_MAX_DMAQ_SIZE +
- efx->n_channels * EF4_MAX_EVQ_SIZE)
- * sizeof(ef4_qword_t) / EF4_BUF_SIZE);
vi_count = max(efx->n_channels, efx->n_tx_channels * EF4_TXQ_TYPES);

efx->tx_dc_base = sram_lim_qw - vi_count * TX_DC_ENTRIES;
@@ -2532,7 +2527,6 @@ int ef4_farch_filter_remove_safe(struct ef4_nic *efx,
enum ef4_farch_filter_table_id table_id;
struct ef4_farch_filter_table *table;
unsigned int filter_idx;
- struct ef4_farch_filter_spec *spec;
int rc;

table_id = ef4_farch_filter_id_table_id(filter_id);
@@ -2543,7 +2537,6 @@ int ef4_farch_filter_remove_safe(struct ef4_nic *efx,
filter_idx = ef4_farch_filter_id_index(filter_id);
if (filter_idx >= table->size)
return -ENOENT;
- spec = &table->spec[filter_idx];

spin_lock_bh(&efx->filter_lock);
rc = ef4_farch_filter_remove(efx, table, filter_idx, priority);
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index 85eaccbbbac1..44fe2adf0ee0 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -787,10 +787,9 @@ static u16 sis900_default_phy(struct net_device * net_dev)
static void sis900_set_capability(struct net_device *net_dev, struct mii_phy *phy)
{
u16 cap;
- u16 status;

- status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
- status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
+ mdio_read(net_dev, phy->phy_addr, MII_STATUS);
+ mdio_read(net_dev, phy->phy_addr, MII_STATUS);

cap = MII_NWAY_CSMA_CD |
((phy->status & MII_STAT_CAN_TX_FDX)? MII_NWAY_TX_FDX:0) |
diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
index eb1c6b03c329..df26cea45904 100644
--- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
+++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
@@ -513,7 +513,7 @@ void xlgmac_get_all_hw_features(struct xlgmac_pdata *pdata)

void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata)
{
- char *str = NULL;
+ char __maybe_unused *str = NULL;

XLGMAC_PR("\n");
XLGMAC_PR("=====================================================\n");
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 7cc09a6f9f9a..6869c5c74b9f 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1226,7 +1226,7 @@ static int emac_poll(struct napi_struct *napi, int budget)
struct net_device *ndev = priv->ndev;
struct device *emac_dev = &ndev->dev;
u32 status = 0;
- u32 num_tx_pkts = 0, num_rx_pkts = 0;
+ u32 num_rx_pkts = 0;

/* Check interrupt vectors and call packet processing */
status = emac_read(EMAC_MACINVECTOR);
@@ -1237,8 +1237,7 @@ static int emac_poll(struct napi_struct *napi, int budget)
mask = EMAC_DM646X_MAC_IN_VECTOR_TX_INT_VEC;

if (status & mask) {
- num_tx_pkts = cpdma_chan_process(priv->txchan,
- EMAC_DEF_TX_MAX_SERVICE);
+ cpdma_chan_process(priv->txchan, EMAC_DEF_TX_MAX_SERVICE);
} /* TX processing */

mask = EMAC_DM644X_MAC_IN_VECTOR_RX_INT_VEC;
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index 1b2702f74455..4154c48d1ddf 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -1350,9 +1350,9 @@ int netcp_txpipe_open(struct netcp_tx_pipe *tx_pipe)
tx_pipe->dma_queue = knav_queue_open(name, tx_pipe->dma_queue_id,
KNAV_QUEUE_SHARED);
if (IS_ERR(tx_pipe->dma_queue)) {
+ ret = PTR_ERR(tx_pipe->dma_queue);
dev_err(dev, "Could not open DMA queue for channel \"%s\": %d\n",
name, ret);
- ret = PTR_ERR(tx_pipe->dma_queue);
goto err;
}

diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index 78f0f2d59e22..a3691bc94b10 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -673,7 +673,6 @@ module_exit(tlan_exit);
static void __init tlan_eisa_probe(void)
{
long ioaddr;
- int rc = -ENODEV;
int irq;
u16 device_id;

@@ -738,8 +737,7 @@ static void __init tlan_eisa_probe(void)

/* Setup the newly found eisa adapter */
- rc = tlan_probe1(NULL, ioaddr, irq,
- 12, NULL);
+ tlan_probe1(NULL, ioaddr, irq, 12, NULL);
continue;

out:
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 346e44115c4e..24a82d51fe60 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -865,26 +865,13 @@ static u32 check_connection_type(struct mac_regs __iomem *regs)
*/
static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
{
- u32 curr_status;
struct mac_regs __iomem *regs = vptr->mac_regs;

vptr->mii_status = mii_check_media_mode(vptr->mac_regs);
- curr_status = vptr->mii_status & (~VELOCITY_LINK_FAIL);

/* Set mii link status */
set_mii_flow_control(vptr);

- /*
- Check if new status is consistent with current status
- if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE) ||
- (mii_status==curr_status)) {
- vptr->mii_status=mii_check_media_mode(vptr->mac_regs);
- vptr->mii_status=check_connection_type(vptr->mac_regs);
- VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity link no change\n");
- return 0;
- }
- */
-
if (PHYID_GET_PHY_ID(vptr->phy_id) == PHYID_CICADA_CS8201)
MII_REG_BITS_ON(AUXCR_MDPPS, MII_NCONFIG, vptr->mac_regs);

diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c
index 8327382aa568..088c73731652 100644
--- a/drivers/net/phy/mdio-octeon.c
+++ b/drivers/net/phy/mdio-octeon.c
@@ -72,7 +72,6 @@ static int octeon_mdiobus_probe(struct platform_device *pdev)

return 0;
fail_register:
- mdiobus_free(bus->mii_bus);
smi_en.u64 = 0;
oct_mdio_writeq(smi_en.u64, bus->register_base + SMI_EN);
return err;
@@ -86,7 +85,6 @@ static int octeon_mdiobus_remove(struct platform_device *pdev)
bus = platform_get_drvdata(pdev);

mdiobus_unregister(bus->mii_bus);
- mdiobus_free(bus->mii_bus);
smi_en.u64 = 0;
oct_mdio_writeq(smi_en.u64, bus->register_base + SMI_EN);
return 0;
diff --git a/drivers/net/phy/mdio-thunder.c b/drivers/net/phy/mdio-thunder.c
index b6128ae7f14f..1e2f57ed1ef7 100644
--- a/drivers/net/phy/mdio-thunder.c
+++ b/drivers/net/phy/mdio-thunder.c
@@ -126,7 +126,6 @@ static void thunder_mdiobus_pci_remove(struct pci_dev *pdev)
continue;

mdiobus_unregister(bus->mii_bus);
- mdiobus_free(bus->mii_bus);
oct_mdio_writeq(0, bus->register_base + SMI_EN);
}
pci_set_drvdata(pdev, NULL);
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 02de9480d3f0..22450c4a9225 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1689,7 +1689,7 @@ static int hso_serial_tiocmset(struct tty_struct *tty,
spin_unlock_irqrestore(&serial->serial_lock, flags);

return usb_control_msg(serial->parent->usb,
- usb_rcvctrlpipe(serial->parent->usb, 0), 0x22,
+ usb_sndctrlpipe(serial->parent->usb, 0), 0x22,
0x21, val, if_num, NULL, 0,
USB_CTRL_SET_TIMEOUT);
}
@@ -2436,7 +2436,7 @@ static int hso_rfkill_set_block(void *data, bool blocked)
if (hso_dev->usb_gone)
rv = 0;
else
- rv = usb_control_msg(hso_dev->usb, usb_rcvctrlpipe(hso_dev->usb, 0),
+ rv = usb_control_msg(hso_dev->usb, usb_sndctrlpipe(hso_dev->usb, 0),
enabled ? 0x82 : 0x81, 0x40, 0, 0, NULL, 0,
USB_CTRL_SET_TIMEOUT);
mutex_unlock(&hso_dev->mutex);
@@ -2619,32 +2619,31 @@ static struct hso_device *hso_create_bulk_serial_device(
num_urbs = 2;
serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget),
GFP_KERNEL);
+ if (!serial->tiocmget)
+ goto exit;
serial->tiocmget->serial_state_notification
= kzalloc(sizeof(struct hso_serial_state_notification),
GFP_KERNEL);
- /* it isn't going to break our heart if serial->tiocmget
- * allocation fails don't bother checking this.
- */
- if (serial->tiocmget && serial->tiocmget->serial_state_notification) {
- tiocmget = serial->tiocmget;
- tiocmget->endp = hso_get_ep(interface,
- USB_ENDPOINT_XFER_INT,
- USB_DIR_IN);
- if (!tiocmget->endp) {
- dev_err(&interface->dev, "Failed to find INT IN ep\n");
- goto exit;
- }
-
- tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (tiocmget->urb) {
- mutex_init(&tiocmget->mutex);
- init_waitqueue_head(&tiocmget->waitq);
- } else
- hso_free_tiomget(serial);
+ if (!serial->tiocmget->serial_state_notification)
+ goto exit;
+ tiocmget = serial->tiocmget;
+ tiocmget->endp = hso_get_ep(interface,
+ USB_ENDPOINT_XFER_INT,
+ USB_DIR_IN);
+ if (!tiocmget->endp) {
+ dev_err(&interface->dev, "Failed to find INT IN ep\n");
+ goto exit;
}
- }
- else
+
+ tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!tiocmget->urb)
+ goto exit;
+
+ mutex_init(&tiocmget->mutex);
+ init_waitqueue_head(&tiocmget->waitq);
+ } else {
num_urbs = 1;
+ }

if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE,
BULK_URB_TX_SIZE))
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 9556d431885f..d0ae0df34e13 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1482,7 +1482,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
ret = smsc75xx_wait_ready(dev, 0);
if (ret < 0) {
netdev_warn(dev->net, "device not ready in smsc75xx_bind\n");
- return ret;
+ goto err;
}

smsc75xx_init_mac_address(dev);
@@ -1491,7 +1491,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
ret = smsc75xx_reset(dev);
if (ret < 0) {
netdev_warn(dev->net, "smsc75xx_reset error %d\n", ret);
- return ret;
+ goto err;
}

dev->net->netdev_ops = &smsc75xx_netdev_ops;
@@ -1501,6 +1501,10 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
dev->net->max_mtu = MAX_SINGLE_PACKET_SIZE;
return 0;
+
+err:
+ kfree(pdata);
+ return ret;
}

static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf)
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index bd5fa4dbab9c..2637e188954d 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -835,6 +835,7 @@ enum htt_security_types {

#define ATH10K_HTT_TXRX_PEER_SECURITY_MAX 2
#define ATH10K_TXRX_NUM_EXT_TIDS 19
+#define ATH10K_TXRX_NON_QOS_TID 16

enum htt_security_flags {
#define HTT_SECURITY_TYPE_MASK 0x7F
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 04095f91d301..760d24a28f39 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1739,16 +1739,97 @@ static void ath10k_htt_rx_h_csum_offload(struct sk_buff *msdu)
msdu->ip_summed = ath10k_htt_rx_get_csum_state(msdu);
}

+static u64 ath10k_htt_rx_h_get_pn(struct ath10k *ar, struct sk_buff *skb,
+ u16 offset,
+ enum htt_rx_mpdu_encrypt_type enctype)
+{
+ struct ieee80211_hdr *hdr;
+ u64 pn = 0;
+ u8 *ehdr;
+
+ hdr = (struct ieee80211_hdr *)(skb->data + offset);
+ ehdr = skb->data + offset + ieee80211_hdrlen(hdr->frame_control);
+
+ if (enctype == HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) {
+ pn = ehdr[0];
+ pn |= (u64)ehdr[1] << 8;
+ pn |= (u64)ehdr[4] << 16;
+ pn |= (u64)ehdr[5] << 24;
+ pn |= (u64)ehdr[6] << 32;
+ pn |= (u64)ehdr[7] << 40;
+ }
+ return pn;
+}
+
+static bool ath10k_htt_rx_h_frag_multicast_check(struct ath10k *ar,
+ struct sk_buff *skb,
+ u16 offset)
+{
+ struct ieee80211_hdr *hdr;
+
+ hdr = (struct ieee80211_hdr *)(skb->data + offset);
+ return !is_multicast_ether_addr(hdr->addr1);
+}
+
+static bool ath10k_htt_rx_h_frag_pn_check(struct ath10k *ar,
+ struct sk_buff *skb,
+ u16 peer_id,
+ u16 offset,
+ enum htt_rx_mpdu_encrypt_type enctype)
+{
+ struct ath10k_peer *peer;
+ union htt_rx_pn_t *last_pn, new_pn = {0};
+ struct ieee80211_hdr *hdr;
+ bool more_frags;
+ u8 tid, frag_number;
+ u32 seq;
+
+ peer = ath10k_peer_find_by_id(ar, peer_id);
+ if (!peer) {
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "invalid peer for frag pn check\n");
+ return false;
+ }
+
+ hdr = (struct ieee80211_hdr *)(skb->data + offset);
+ if (ieee80211_is_data_qos(hdr->frame_control))
+ tid = ieee80211_get_tid(hdr);
+ else
+ tid = ATH10K_TXRX_NON_QOS_TID;
+
+ last_pn = &peer->frag_tids_last_pn[tid];
+ new_pn.pn48 = ath10k_htt_rx_h_get_pn(ar, skb, offset, enctype);
+ more_frags = ieee80211_has_morefrags(hdr->frame_control);
+ frag_number = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
+ seq = (__le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+
+ if (frag_number == 0) {
+ last_pn->pn48 = new_pn.pn48;
+ peer->frag_tids_seq[tid] = seq;
+ } else {
+ if (seq != peer->frag_tids_seq[tid])
+ return false;
+
+ if (new_pn.pn48 != last_pn->pn48 + 1)
+ return false;
+
+ last_pn->pn48 = new_pn.pn48;
+ }
+
+ return true;
+}
+
static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
struct sk_buff_head *amsdu,
struct ieee80211_rx_status *status,
bool fill_crypt_header,
u8 *rx_hdr,
- enum ath10k_pkt_rx_err *err)
+ enum ath10k_pkt_rx_err *err,
+ u16 peer_id,
+ bool frag)
{
struct sk_buff *first;
struct sk_buff *last;
- struct sk_buff *msdu;
+ struct sk_buff *msdu, *temp;
struct htt_rx_desc *rxd;
struct ieee80211_hdr *hdr;
enum htt_rx_mpdu_encrypt_type enctype;
@@ -1761,6 +1842,7 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
bool is_decrypted;
bool is_mgmt;
u32 attention;
+ bool frag_pn_check = true, multicast_check = true;

if (skb_queue_empty(amsdu))
return;
@@ -1859,7 +1941,37 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
}

skb_queue_walk(amsdu, msdu) {
+ if (frag && !fill_crypt_header && is_decrypted &&
+ enctype == HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2)
+ frag_pn_check = ath10k_htt_rx_h_frag_pn_check(ar,
+ msdu,
+ peer_id,
+ 0,
+ enctype);
+
+ if (frag)
+ multicast_check = ath10k_htt_rx_h_frag_multicast_check(ar,
+ msdu,
+ 0);
+
+ if (!frag_pn_check || !multicast_check) {
+ /* Discard the fragment with invalid PN or multicast DA
+ */
+ temp = msdu->prev;
+ __skb_unlink(msdu, amsdu);
+ dev_kfree_skb_any(msdu);
+ msdu = temp;
+ frag_pn_check = true;
+ multicast_check = true;
+ continue;
+ }
+
ath10k_htt_rx_h_csum_offload(msdu);
+
+ if (frag && !fill_crypt_header &&
+ enctype == HTT_RX_MPDU_ENCRYPT_TKIP_WPA)
+ status->flag &= ~RX_FLAG_MMIC_STRIPPED;
+
ath10k_htt_rx_h_undecap(ar, msdu, status, first_hdr, enctype,
is_decrypted);

@@ -1877,6 +1989,11 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,

hdr = (void *)msdu->data;
hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+
+ if (frag && !fill_crypt_header &&
+ enctype == HTT_RX_MPDU_ENCRYPT_TKIP_WPA)
+ status->flag &= ~RX_FLAG_IV_STRIPPED &
+ ~RX_FLAG_MMIC_STRIPPED;
}
}

@@ -1984,14 +2101,62 @@ static void ath10k_htt_rx_h_unchain(struct ath10k *ar,
ath10k_unchain_msdu(amsdu, unchain_cnt);
}

+static bool ath10k_htt_rx_validate_amsdu(struct ath10k *ar,
+ struct sk_buff_head *amsdu)
+{
+ u8 *subframe_hdr;
+ struct sk_buff *first;
+ bool is_first, is_last;
+ struct htt_rx_desc *rxd;
+ struct ieee80211_hdr *hdr;
+ size_t hdr_len, crypto_len;
+ enum htt_rx_mpdu_encrypt_type enctype;
+ int bytes_aligned = ar->hw_params.decap_align_bytes;
+
+ first = skb_peek(amsdu);
+
+ rxd = (void *)first->data - sizeof(*rxd);
+ hdr = (void *)rxd->rx_hdr_status;
+
+ is_first = !!(rxd->msdu_end.common.info0 &
+ __cpu_to_le32(RX_MSDU_END_INFO0_FIRST_MSDU));
+ is_last = !!(rxd->msdu_end.common.info0 &
+ __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU));
+
+ /* Return in case of non-aggregated msdu */
+ if (is_first && is_last)
+ return true;
+
+ /* First msdu flag is not set for the first msdu of the list */
+ if (!is_first)
+ return false;
+
+ enctype = MS(__le32_to_cpu(rxd->mpdu_start.info0),
+ RX_MPDU_START_INFO0_ENCRYPT_TYPE);
+
+ hdr_len = ieee80211_hdrlen(hdr->frame_control);
+ crypto_len = ath10k_htt_rx_crypto_param_len(ar, enctype);
+
+ subframe_hdr = (u8 *)hdr + round_up(hdr_len, bytes_aligned) +
+ crypto_len;
+
+ /* Validate if the amsdu has a proper first subframe.
+ * There are chances a single msdu can be received as amsdu when
+ * the unauthenticated amsdu flag of a QoS header
+ * gets flipped in non-SPP AMSDU's, in such cases the first
+ * subframe has llc/snap header in place of a valid da.
+ * return false if the da matches rfc1042 pattern
+ */
+ if (ether_addr_equal(subframe_hdr, rfc1042_header))
+ return false;
+
+ return true;
+}
+
static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
struct sk_buff_head *amsdu,
struct ieee80211_rx_status *rx_status)
{
- /* FIXME: It might be a good idea to do some fuzzy-testing to drop
- * invalid/dangerous frames.
- */
-
if (!rx_status->freq) {
ath10k_dbg(ar, ATH10K_DBG_HTT, "no channel configured; ignoring frame(s)!\n");
return false;
@@ -2002,6 +2167,11 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
return false;
}

+ if (!ath10k_htt_rx_validate_amsdu(ar, amsdu)) {
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "invalid amsdu received\n");
+ return false;
+ }
+
return true;
}

@@ -2064,7 +2234,8 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
ath10k_htt_rx_h_unchain(ar, &amsdu, &drop_cnt, &unchain_cnt);

ath10k_htt_rx_h_filter(ar, &amsdu, rx_status, &drop_cnt_filter);
- ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status, true, first_hdr, &err);
+ ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status, true, first_hdr, &err, 0,
+ false);
msdus_to_queue = skb_queue_len(&amsdu);
ath10k_htt_rx_h_enqueue(ar, &amsdu, rx_status);

@@ -2197,6 +2368,11 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt,
fw_desc = &rx->fw_desc;
rx_desc_len = fw_desc->len;

+ if (fw_desc->u.bits.discard) {
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "htt discard mpdu\n");
+ goto err;
+ }
+
/* I have not yet seen any case where num_mpdu_ranges > 1.
* qcacld does not seem handle that case either, so we introduce the
* same limitiation here as well.
@@ -2497,6 +2673,13 @@ static bool ath10k_htt_rx_proc_rx_frag_ind_hl(struct ath10k_htt *htt,
rx_desc = (struct htt_hl_rx_desc *)(skb->data + tot_hdr_len);
rx_desc_info = __le32_to_cpu(rx_desc->info);

+ hdr = (struct ieee80211_hdr *)((u8 *)rx_desc + rx_hl->fw_desc.len);
+
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ /* Discard the fragment with multicast DA */
+ goto err;
+ }
+
if (!MS(rx_desc_info, HTT_RX_DESC_HL_INFO_ENCRYPTED)) {
spin_unlock_bh(&ar->data_lock);
return ath10k_htt_rx_proc_rx_ind_hl(htt, &resp->rx_ind_hl, skb,
@@ -2504,8 +2687,6 @@ static bool ath10k_htt_rx_proc_rx_frag_ind_hl(struct ath10k_htt *htt,
HTT_RX_NON_TKIP_MIC);
}

- hdr = (struct ieee80211_hdr *)((u8 *)rx_desc + rx_hl->fw_desc.len);
-
if (ieee80211_has_retry(hdr->frame_control))
goto err;

@@ -3014,7 +3195,7 @@ static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb)
ath10k_htt_rx_h_ppdu(ar, &amsdu, status, vdev_id);
ath10k_htt_rx_h_filter(ar, &amsdu, status, NULL);
ath10k_htt_rx_h_mpdu(ar, &amsdu, status, false, NULL,
- NULL);
+ NULL, peer_id, frag);
ath10k_htt_rx_h_enqueue(ar, &amsdu, status);
break;
case -EAGAIN:
diff --git a/drivers/net/wireless/ath/ath10k/rx_desc.h b/drivers/net/wireless/ath/ath10k/rx_desc.h
index dec1582005b9..13a1cae6b51b 100644
--- a/drivers/net/wireless/ath/ath10k/rx_desc.h
+++ b/drivers/net/wireless/ath/ath10k/rx_desc.h
@@ -1282,7 +1282,19 @@ struct fw_rx_desc_base {
#define FW_RX_DESC_UDP (1 << 6)

struct fw_rx_desc_hl {
- u8 info0;
+ union {
+ struct {
+ u8 discard:1,
+ forward:1,
+ any_err:1,
+ dup_err:1,
+ reserved:1,
+ inspect:1,
+ extension:2;
+ } bits;
+ u8 info0;
+ } u;
+
u8 version;
u8 len;
u8 flags;
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 54337d60f288..085a134069f7 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -1027,14 +1027,17 @@ static ssize_t ath6kl_lrssi_roam_write(struct file *file,
{
struct ath6kl *ar = file->private_data;
unsigned long lrssi_roam_threshold;
+ int ret;

if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
return -EINVAL;

ar->lrssi_roam_threshold = lrssi_roam_threshold;

- ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
+ ret = ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);

+ if (ret)
+ return ret;
return count;
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index fc12598b2dd3..c492d2d2db1d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -1168,13 +1168,9 @@ static struct sdio_driver brcmf_sdmmc_driver = {
},
};

-void brcmf_sdio_register(void)
+int brcmf_sdio_register(void)
{
- int ret;
-
- ret = sdio_register_driver(&brcmf_sdmmc_driver);
- if (ret)
- brcmf_err("sdio_register_driver failed: %d\n", ret);
+ return sdio_register_driver(&brcmf_sdmmc_driver);
}

void brcmf_sdio_exit(void)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
index 623c0168da79..8b27494a5d3d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
@@ -274,11 +274,26 @@ void brcmf_bus_add_txhdrlen(struct device *dev, uint len);

#ifdef CONFIG_BRCMFMAC_SDIO
void brcmf_sdio_exit(void);
-void brcmf_sdio_register(void);
+int brcmf_sdio_register(void);
+#else
+static inline void brcmf_sdio_exit(void) { }
+static inline int brcmf_sdio_register(void) { return 0; }
#endif
+
#ifdef CONFIG_BRCMFMAC_USB
void brcmf_usb_exit(void);
-void brcmf_usb_register(void);
+int brcmf_usb_register(void);
+#else
+static inline void brcmf_usb_exit(void) { }
+static inline int brcmf_usb_register(void) { return 0; }
+#endif
+
+#ifdef CONFIG_BRCMFMAC_PCIE
+void brcmf_pcie_exit(void);
+int brcmf_pcie_register(void);
+#else
+static inline void brcmf_pcie_exit(void) { }
+static inline int brcmf_pcie_register(void) { return 0; }
#endif

#endif /* BRCMFMAC_BUS_H */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index e9bb8dbdc9aa..edb79e9665dc 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -1438,40 +1438,34 @@ void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state)
}
}

-static void brcmf_driver_register(struct work_struct *work)
-{
-#ifdef CONFIG_BRCMFMAC_SDIO
- brcmf_sdio_register();
-#endif
-#ifdef CONFIG_BRCMFMAC_USB
- brcmf_usb_register();
-#endif
-#ifdef CONFIG_BRCMFMAC_PCIE
- brcmf_pcie_register();
-#endif
-}
-static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
-
int __init brcmf_core_init(void)
{
- if (!schedule_work(&brcmf_driver_work))
- return -EBUSY;
+ int err;
+
+ err = brcmf_sdio_register();
+ if (err)
+ return err;
+
+ err = brcmf_usb_register();
+ if (err)
+ goto error_usb_register;

+ err = brcmf_pcie_register();
+ if (err)
+ goto error_pcie_register;
return 0;
+
+error_pcie_register:
+ brcmf_usb_exit();
+error_usb_register:
+ brcmf_sdio_exit();
+ return err;
}

void __exit brcmf_core_exit(void)
{
- cancel_work_sync(&brcmf_driver_work);
-
-#ifdef CONFIG_BRCMFMAC_SDIO
brcmf_sdio_exit();
-#endif
-#ifdef CONFIG_BRCMFMAC_USB
brcmf_usb_exit();
-#endif
-#ifdef CONFIG_BRCMFMAC_PCIE
brcmf_pcie_exit();
-#endif
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index cb68f54a9c56..bda042138e96 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -2137,15 +2137,10 @@ static struct pci_driver brcmf_pciedrvr = {
};

-void brcmf_pcie_register(void)
+int brcmf_pcie_register(void)
{
- int err;
-
brcmf_dbg(PCIE, "Enter\n");
- err = pci_register_driver(&brcmf_pciedrvr);
- if (err)
- brcmf_err(NULL, "PCIE driver registration failed, err=%d\n",
- err);
+ return pci_register_driver(&brcmf_pciedrvr);
}

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.h
index d026401d2001..8e6c227e8315 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.h
@@ -11,9 +11,4 @@ struct brcmf_pciedev {
struct brcmf_pciedev_info *devinfo;
};

-
-void brcmf_pcie_exit(void);
-void brcmf_pcie_register(void);
-
-
#endif /* BRCMFMAC_PCIE_H */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index 575ed19e9195..3b897f040371 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -1558,12 +1558,8 @@ void brcmf_usb_exit(void)
usb_deregister(&brcmf_usbdrvr);
}

-void brcmf_usb_register(void)
+int brcmf_usb_register(void)
{
- int ret;
-
brcmf_dbg(USB, "Enter\n");
- ret = usb_register(&brcmf_usbdrvr);
- if (ret)
- brcmf_err("usb_register failed %d\n", ret);
+ return usb_register(&brcmf_usbdrvr);
}
diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index 2747c957d18c..050fd403110e 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -801,24 +801,6 @@ static const struct attribute_group mesh_ie_group = {
.attrs = mesh_ie_attrs,
};

-static void lbs_persist_config_init(struct net_device *dev)
-{
- int ret;
- ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
- if (ret)
- pr_err("failed to create boot_opts_group.\n");
-
- ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
- if (ret)
- pr_err("failed to create mesh_ie_group.\n");
-}
-
-static void lbs_persist_config_remove(struct net_device *dev)
-{
- sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
- sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
-}
-

/***************************************************************************
* Initializing and starting, stopping mesh
@@ -1019,6 +1001,10 @@ static int lbs_add_mesh(struct lbs_private *priv)
SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);

mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+ mesh_dev->sysfs_groups[0] = &lbs_mesh_attr_group;
+ mesh_dev->sysfs_groups[1] = &boot_opts_group;
+ mesh_dev->sysfs_groups[2] = &mesh_ie_group;
+
/* Register virtual mesh interface */
ret = register_netdev(mesh_dev);
if (ret) {
@@ -1026,19 +1012,10 @@ static int lbs_add_mesh(struct lbs_private *priv)
goto err_free_netdev;
}

- ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
- if (ret)
- goto err_unregister;
-
- lbs_persist_config_init(mesh_dev);
-
/* Everything successful */
ret = 0;
goto done;

-err_unregister:
- unregister_netdev(mesh_dev);
-
err_free_netdev:
free_netdev(mesh_dev);

@@ -1059,8 +1036,6 @@ void lbs_remove_mesh(struct lbs_private *priv)

netif_stop_queue(mesh_dev);
netif_carrier_off(mesh_dev);
- sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
- lbs_persist_config_remove(mesh_dev);
unregister_netdev(mesh_dev);
priv->mesh_dev = NULL;
kfree(mesh_dev->ieee80211_ptr);
diff --git a/drivers/platform/x86/hp-wireless.c b/drivers/platform/x86/hp-wireless.c
index 12c31fd5d5ae..0753ef18e721 100644
--- a/drivers/platform/x86/hp-wireless.c
+++ b/drivers/platform/x86/hp-wireless.c
@@ -17,12 +17,14 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Alex Hung");
MODULE_ALIAS("acpi*:HPQ6001:*");
MODULE_ALIAS("acpi*:WSTADEF:*");
+MODULE_ALIAS("acpi*:AMDI0051:*");

static struct input_dev *hpwl_input_dev;

static const struct acpi_device_id hpwl_ids[] = {
{"HPQ6001", 0},
{"WSTADEF", 0},
+ {"AMDI0051", 0},
{"", 0},
};

diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 799cbe2ffcf3..8c0867bda828 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -88,6 +88,9 @@ MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);
static int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
{
struct acpi_device *dev = lis3->bus_priv;
+ if (!lis3->init_required)
+ return 0;
+
if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI,
NULL, NULL) != AE_OK)
return -EINVAL;
@@ -356,6 +359,7 @@ static int lis3lv02d_add(struct acpi_device *device)
}

/* call the core layer do its init */
+ lis3_dev.init_required = true;
ret = lis3lv02d_init_device(&lis3_dev);
if (ret)
return ret;
@@ -403,11 +407,27 @@ static int lis3lv02d_suspend(struct device *dev)

static int lis3lv02d_resume(struct device *dev)
{
+ lis3_dev.init_required = false;
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
+}
+
+static int lis3lv02d_restore(struct device *dev)
+{
+ lis3_dev.init_required = true;
lis3lv02d_poweron(&lis3_dev);
return 0;
}

-static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
+static const struct dev_pm_ops hp_accel_pm = {
+ .suspend = lis3lv02d_suspend,
+ .resume = lis3lv02d_resume,
+ .freeze = lis3lv02d_suspend,
+ .thaw = lis3lv02d_resume,
+ .poweroff = lis3lv02d_suspend,
+ .restore = lis3lv02d_restore,
+};
+
#define HP_ACCEL_PM (&hp_accel_pm)
#else
#define HP_ACCEL_PM NULL
diff --git a/drivers/platform/x86/intel_punit_ipc.c b/drivers/platform/x86/intel_punit_ipc.c
index fa97834fdb78..ccb44f2eb240 100644
--- a/drivers/platform/x86/intel_punit_ipc.c
+++ b/drivers/platform/x86/intel_punit_ipc.c
@@ -328,6 +328,7 @@ static const struct acpi_device_id punit_ipc_acpi_ids[] = {
{ "INT34D4", 0 },
{ }
};
+MODULE_DEVICE_TABLE(acpi, punit_ipc_acpi_ids);

static struct platform_driver intel_punit_ipc_driver = {
.probe = intel_punit_ipc_probe,
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 7ed1189a7200..515c66ca1aec 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -838,6 +838,14 @@ static const struct dmi_system_id touchscreen_dmi_table[] = {
DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
},
},
+ {
+ /* Mediacom WinPad 7.0 W700 (same hw as Wintron surftab 7") */
+ .driver_data = (void *)&trekstor_surftab_wintron70_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WinPad 7 W10 - WPW700"),
+ },
+ },
{
/* Mediacom Flexbook Edge 11 (same hw as TS Primebook C11) */
.driver_data = (void *)&trekstor_primebook_c11_data,
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index 3645d1720c4b..9628e0f3add3 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -636,6 +636,10 @@ int cp_init(struct channel_program *cp, struct device *mdev, union orb *orb)
{
int ret;

+ /* this is an error in the caller */
+ if (cp->initialized)
+ return -EBUSY;
+
/*
* XXX:
* Only support prefetch enable mode now.
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index c25e8a54e869..6e988233fb81 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -3077,11 +3077,11 @@ static int blogic_qcmd_lck(struct scsi_cmnd *command,
ccb->opcode = BLOGIC_INITIATOR_CCB_SG;
ccb->datalen = count * sizeof(struct blogic_sg_seg);
if (blogic_multimaster_type(adapter))
- ccb->data = (void *)((unsigned int) ccb->dma_handle +
+ ccb->data = (unsigned int) ccb->dma_handle +
((unsigned long) &ccb->sglist -
- (unsigned long) ccb));
+ (unsigned long) ccb);
else
- ccb->data = ccb->sglist;
+ ccb->data = virt_to_32bit_virt(ccb->sglist);

scsi_for_each_sg(command, sg, count, i) {
ccb->sglist[i].segbytes = sg_dma_len(sg);
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index 6182cc8a0344..e081ad47d1cf 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -814,7 +814,7 @@ struct blogic_ccb {
unsigned char cdblen; /* Byte 2 */
unsigned char sense_datalen; /* Byte 3 */
u32 datalen; /* Bytes 4-7 */
- void *data; /* Bytes 8-11 */
+ u32 data; /* Bytes 8-11 */
unsigned char:8; /* Byte 12 */
unsigned char:8; /* Byte 13 */
enum blogic_adapter_status adapter_status; /* Byte 14 */
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index 7c86fd248129..f751a12f92ea 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -25,7 +25,7 @@ static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy

static void sas_resume_port(struct asd_sas_phy *phy)
{
- struct domain_device *dev;
+ struct domain_device *dev, *n;
struct asd_sas_port *port = phy->port;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt);
@@ -44,7 +44,7 @@ static void sas_resume_port(struct asd_sas_phy *phy)
* 1/ presume every device came back
* 2/ force the next revalidation to check all expander phys
*/
- list_for_each_entry(dev, &port->dev_list, dev_list_node) {
+ list_for_each_entry_safe(dev, n, &port->dev_list, dev_list_node) {
int i, rc;

rc = sas_notify_lldd_dev_found(dev);
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index c7560d7d1627..40dccc580e86 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1142,11 +1142,13 @@ static int dspi_probe(struct platform_device *pdev)
ret = spi_register_controller(ctlr);
if (ret != 0) {
dev_err(&pdev->dev, "Problem registering DSPI ctlr\n");
- goto out_free_irq;
+ goto out_release_dma;
}

return ret;

+out_release_dma:
+ dspi_release_dma(dspi);
out_free_irq:
if (dspi->irq)
free_irq(dspi->irq, dspi);
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
index 6f3d64a1a2b3..01b53d816497 100644
--- a/drivers/spi/spi-geni-qcom.c
+++ b/drivers/spi/spi-geni-qcom.c
@@ -552,7 +552,7 @@ static int spi_geni_probe(struct platform_device *pdev)
return PTR_ERR(clk);
}

- spi = spi_alloc_master(&pdev->dev, sizeof(*mas));
+ spi = devm_spi_alloc_master(&pdev->dev, sizeof(*mas));
if (!spi)
return -ENOMEM;

@@ -599,7 +599,6 @@ static int spi_geni_probe(struct platform_device *pdev)
free_irq(mas->irq, spi);
spi_geni_probe_runtime_disable:
pm_runtime_disable(&pdev->dev);
- spi_master_put(spi);
return ret;
}

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index a6c893ddbf28..cc4c18c3fb36 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -2064,7 +2064,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc,
struct nbu2ss_ep *ep,
int status)
{
- struct nbu2ss_req *req;
+ struct nbu2ss_req *req, *n;

/* Endpoint Disable */
_nbu2ss_epn_exit(udc, ep);
@@ -2076,7 +2076,7 @@ static int _nbu2ss_nuke(struct nbu2ss_udc *udc,
return 0;

/* called with irqs blocked */
- list_for_each_entry(req, &ep->queue, queue) {
+ list_for_each_entry_safe(req, n, &ep->queue, queue) {
_nbu2ss_ep_done(ep, req, status);
}

diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index 21527d84f940..004f123bb070 100644
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -702,7 +702,6 @@ static int ad7746_probe(struct i2c_client *client,
indio_dev->num_channels = ARRAY_SIZE(ad7746_channels);
else
indio_dev->num_channels = ARRAY_SIZE(ad7746_channels) - 2;
- indio_dev->num_channels = ARRAY_SIZE(ad7746_channels);
indio_dev->modes = INDIO_DIRECT_MODE;

if (pdata) {
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 75484d6c5056..c313c4f0e856 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -230,6 +230,8 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
if (ACPI_FAILURE(status))
trip_cnt = 0;
else {
+ int i;
+
int34x_thermal_zone->aux_trips =
kcalloc(trip_cnt,
sizeof(*int34x_thermal_zone->aux_trips),
@@ -240,6 +242,8 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
}
trip_mask = BIT(trip_cnt) - 1;
int34x_thermal_zone->aux_trip_nr = trip_cnt;
+ for (i = 0; i < trip_cnt; ++i)
+ int34x_thermal_zone->aux_trips[i] = THERMAL_TEMP_INVALID;
}

trip_cnt = int340x_thermal_read_trips(int34x_thermal_zone);
diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c
index ddb4a973c698..691931fdc119 100644
--- a/drivers/thermal/intel/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c
@@ -164,7 +164,7 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzd,
if (thres_reg_value)
*temp = zonedev->tj_max - thres_reg_value * 1000;
else
- *temp = 0;
+ *temp = THERMAL_TEMP_INVALID;
pr_debug("sys_get_trip_temp %d\n", *temp);

return 0;
diff --git a/drivers/thunderbolt/dma_port.c b/drivers/thunderbolt/dma_port.c
index 847dd07a7b17..de219953c8b3 100644
--- a/drivers/thunderbolt/dma_port.c
+++ b/drivers/thunderbolt/dma_port.c
@@ -364,15 +364,15 @@ int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address,
void *buf, size_t size)
{
unsigned int retries = DMA_PORT_RETRIES;
- unsigned int offset;
-
- offset = address & 3;
- address = address & ~3;

do {
- u32 nbytes = min_t(u32, size, MAIL_DATA_DWORDS * 4);
+ unsigned int offset;
+ size_t nbytes;
int ret;

+ offset = address & 3;
+ nbytes = min_t(size_t, size + offset, MAIL_DATA_DWORDS * 4);
+
ret = dma_port_flash_read_block(dma, address, dma->buf,
ALIGN(nbytes, 4));
if (ret) {
@@ -384,6 +384,7 @@ int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address,
return ret;
}

+ nbytes -= offset;
memcpy(buf, dma->buf + offset, nbytes);

size -= nbytes;
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 8814ff38aa67..51346ca91c45 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -58,6 +58,8 @@ struct serial_private {
int line[0];
};

+#define PCI_DEVICE_ID_HPE_PCI_SERIAL 0x37e
+
static const struct pci_device_id pci_use_msi[] = {
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
0xA000, 0x1000) },
@@ -65,6 +67,8 @@ static const struct pci_device_id pci_use_msi[] = {
0xA000, 0x1000) },
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9922,
0xA000, 0x1000) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL,
+ PCI_ANY_ID, PCI_ANY_ID) },
{ }
};

@@ -1965,6 +1969,16 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.init = pci_hp_diva_init,
.setup = pci_hp_diva_setup,
},
+ /*
+ * HPE PCI serial device
+ */
+ {
+ .vendor = PCI_VENDOR_ID_HP_3PAR,
+ .device = PCI_DEVICE_ID_HPE_PCI_SERIAL,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_hp_diva_setup,
+ },
/*
* Intel
*/
@@ -3903,21 +3917,26 @@ pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board)
uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
uart.port.uartclk = board->base_baud * 16;

- if (pci_match_id(pci_use_msi, dev)) {
- dev_dbg(&dev->dev, "Using MSI(-X) interrupts\n");
- pci_set_master(dev);
- rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (board->flags & FL_NOIRQ) {
+ uart.port.irq = 0;
} else {
- dev_dbg(&dev->dev, "Using legacy interrupts\n");
- rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY);
- }
- if (rc < 0) {
- kfree(priv);
- priv = ERR_PTR(rc);
- goto err_deinit;
+ if (pci_match_id(pci_use_msi, dev)) {
+ dev_dbg(&dev->dev, "Using MSI(-X) interrupts\n");
+ pci_set_master(dev);
+ rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
+ } else {
+ dev_dbg(&dev->dev, "Using legacy interrupts\n");
+ rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY);
+ }
+ if (rc < 0) {
+ kfree(priv);
+ priv = ERR_PTR(rc);
+ goto err_deinit;
+ }
+
+ uart.port.irq = pci_irq_vector(dev, 0);
}

- uart.port.irq = pci_irq_vector(dev, 0);
uart.port.dev = &dev->dev;

for (i = 0; i < nr_ports; i++) {
@@ -4932,6 +4951,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_DIVA_AUX,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b2_1_115200 },
+ /* HPE PCI serial device */
+ { PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_b1_1_115200 },

{ PCI_VENDOR_ID_DCI, PCI_DEVICE_ID_DCI_PCCOM2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 8434bd5a8ec7..5bf8dd6198bb 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1528,6 +1528,8 @@ static int __init max310x_uart_init(void)

#ifdef CONFIG_SPI_MASTER
ret = spi_register_driver(&max310x_spi_driver);
+ if (ret)
+ uart_unregister_driver(&max310x_uart);
#endif

return ret;
diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c
index 5690c09cc041..944a4c010579 100644
--- a/drivers/tty/serial/rp2.c
+++ b/drivers/tty/serial/rp2.c
@@ -195,7 +195,6 @@ struct rp2_card {
void __iomem *bar0;
void __iomem *bar1;
spinlock_t card_lock;
- struct completion fw_loaded;
};

#define RP_ID(prod) PCI_VDEVICE(RP, (prod))
@@ -664,17 +663,10 @@ static void rp2_remove_ports(struct rp2_card *card)
card->initialized_ports = 0;
}

-static void rp2_fw_cb(const struct firmware *fw, void *context)
+static int rp2_load_firmware(struct rp2_card *card, const struct firmware *fw)
{
- struct rp2_card *card = context;
resource_size_t phys_base;
- int i, rc = -ENOENT;
-
- if (!fw) {
- dev_err(&card->pdev->dev, "cannot find '%s' firmware image\n",
- RP2_FW_NAME);
- goto no_fw;
- }
+ int i, rc = 0;

phys_base = pci_resource_start(card->pdev, 1);

@@ -720,23 +712,13 @@ static void rp2_fw_cb(const struct firmware *fw, void *context)
card->initialized_ports++;
}

- release_firmware(fw);
-no_fw:
- /*
- * rp2_fw_cb() is called from a workqueue long after rp2_probe()
- * has already returned success. So if something failed here,
- * we'll just leave the now-dormant device in place until somebody
- * unbinds it.
- */
- if (rc)
- dev_warn(&card->pdev->dev, "driver initialization failed\n");
-
- complete(&card->fw_loaded);
+ return rc;
}

static int rp2_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
+ const struct firmware *fw;
struct rp2_card *card;
struct rp2_uart_port *ports;
void __iomem * const *bars;
@@ -747,7 +729,6 @@ static int rp2_probe(struct pci_dev *pdev,
return -ENOMEM;
pci_set_drvdata(pdev, card);
spin_lock_init(&card->card_lock);
- init_completion(&card->fw_loaded);

rc = pcim_enable_device(pdev);
if (rc)
@@ -780,21 +761,23 @@ static int rp2_probe(struct pci_dev *pdev,
return -ENOMEM;
card->ports = ports;

- rc = devm_request_irq(&pdev->dev, pdev->irq, rp2_uart_interrupt,
- IRQF_SHARED, DRV_NAME, card);
- if (rc)
+ rc = request_firmware(&fw, RP2_FW_NAME, &pdev->dev);
+ if (rc < 0) {
+ dev_err(&pdev->dev, "cannot find '%s' firmware image\n",
+ RP2_FW_NAME);
return rc;
+ }

- /*
- * Only catastrophic errors (e.g. ENOMEM) are reported here.
- * If the FW image is missing, we'll find out in rp2_fw_cb()
- * and print an error message.
- */
- rc = request_firmware_nowait(THIS_MODULE, 1, RP2_FW_NAME, &pdev->dev,
- GFP_KERNEL, card, rp2_fw_cb);
+ rc = rp2_load_firmware(card, fw);
+
+ release_firmware(fw);
+ if (rc < 0)
+ return rc;
+
+ rc = devm_request_irq(&pdev->dev, pdev->irq, rp2_uart_interrupt,
+ IRQF_SHARED, DRV_NAME, card);
if (rc)
return rc;
- dev_dbg(&pdev->dev, "waiting for firmware blob...\n");

return 0;
}
@@ -803,7 +786,6 @@ static void rp2_remove(struct pci_dev *pdev)
{
struct rp2_card *card = pci_get_drvdata(pdev);

- wait_for_completion(&card->fw_loaded);
rp2_remove_ports(card);
}

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index 51c3f579ccd0..2007a40feef9 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -332,7 +332,7 @@ static void tegra_uart_fifo_reset(struct tegra_uart_port *tup, u8 fcr_bits)

do {
lsr = tegra_uart_read(tup, UART_LSR);
- if ((lsr | UART_LSR_TEMT) && !(lsr & UART_LSR_DR))
+ if ((lsr & UART_LSR_TEMT) && !(lsr & UART_LSR_DR))
break;
udelay(1);
} while (--tmout);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index e2ab6524119a..fa3bd8a97b24 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -863,9 +863,11 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
goto check_and_exit;
}

- retval = security_locked_down(LOCKDOWN_TIOCSSERIAL);
- if (retval && (change_irq || change_port))
- goto exit;
+ if (change_irq || change_port) {
+ retval = security_locked_down(LOCKDOWN_TIOCSSERIAL);
+ if (retval)
+ goto exit;
+ }

/*
* Ask the low level driver to verify the settings.
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 7d1529b11ae9..de86e9021a8f 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1026,10 +1026,10 @@ static int scif_set_rtrg(struct uart_port *port, int rx_trig)
{
unsigned int bits;

+ if (rx_trig >= port->fifosize)
+ rx_trig = port->fifosize - 1;
if (rx_trig < 1)
rx_trig = 1;
- if (rx_trig >= port->fifosize)
- rx_trig = port->fifosize;

/* HSCIF can be set to an arbitrary level. */
if (sci_getreg(port, HSRTRGR)->size) {
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 35e89460b9ca..d037deb95884 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1218,7 +1218,12 @@ static int proc_bulk(struct usb_dev_state *ps, void __user *arg)
ret = usbfs_increase_memory_usage(len1 + sizeof(struct urb));
if (ret)
return ret;
- tbuf = kmalloc(len1, GFP_KERNEL);
+
+ /*
+ * len1 can be almost arbitrarily large. Don't WARN if it's
+ * too big, just fail the request.
+ */
+ tbuf = kmalloc(len1, GFP_KERNEL | __GFP_NOWARN);
if (!tbuf) {
ret = -ENOMEM;
goto done;
@@ -1691,7 +1696,7 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
if (num_sgs) {
as->urb->sg = kmalloc_array(num_sgs,
sizeof(struct scatterlist),
- GFP_KERNEL);
+ GFP_KERNEL | __GFP_NOWARN);
if (!as->urb->sg) {
ret = -ENOMEM;
goto error;
@@ -1726,7 +1731,7 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
(uurb_start - as->usbm->vm_start);
} else {
as->urb->transfer_buffer = kmalloc(uurb->buffer_length,
- GFP_KERNEL);
+ GFP_KERNEL | __GFP_NOWARN);
if (!as->urb->transfer_buffer) {
ret = -ENOMEM;
goto error;
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index a97dd1ba964e..a8f23f8bc6ef 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -148,8 +148,10 @@ static inline unsigned hub_power_on_good_delay(struct usb_hub *hub)
{
unsigned delay = hub->descriptor->bPwrOn2PwrGood * 2;

- /* Wait at least 100 msec for power to become stable */
- return max(delay, 100U);
+ if (!hub->hdev->parent) /* root hub */
+ return delay;
+ else /* Wait at least 100 msec for power to become stable */
+ return max(delay, 100U);
}

static inline int hub_port_debounce_be_connected(struct usb_hub *hub,
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 6145311a3855..ecd83526f26f 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1162,6 +1162,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
req->start_sg = sg_next(s);

req->num_queued_sgs++;
+ req->num_pending_sgs--;

/*
* The number of pending SG entries may not correspond to the
@@ -1169,7 +1170,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
* don't include unused SG entries.
*/
if (length == 0) {
- req->num_pending_sgs -= req->request.num_mapped_sgs - req->num_queued_sgs;
+ req->num_pending_sgs = 0;
break;
}

@@ -2602,15 +2603,15 @@ static int dwc3_gadget_ep_reclaim_trb_sg(struct dwc3_ep *dep,
struct dwc3_trb *trb = &dep->trb_pool[dep->trb_dequeue];
struct scatterlist *sg = req->sg;
struct scatterlist *s;
- unsigned int pending = req->num_pending_sgs;
+ unsigned int num_queued = req->num_queued_sgs;
unsigned int i;
int ret = 0;

- for_each_sg(sg, s, pending, i) {
+ for_each_sg(sg, s, num_queued, i) {
trb = &dep->trb_pool[dep->trb_dequeue];

req->sg = sg_next(s);
- req->num_pending_sgs--;
+ req->num_queued_sgs--;

ret = dwc3_gadget_ep_reclaim_completed_trb(dep, req,
trb, event, status, true);
@@ -2633,7 +2634,7 @@ static int dwc3_gadget_ep_reclaim_trb_linear(struct dwc3_ep *dep,

static bool dwc3_gadget_ep_request_completed(struct dwc3_request *req)
{
- return req->num_pending_sgs == 0;
+ return req->num_pending_sgs == 0 && req->num_queued_sgs == 0;
}

static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
@@ -2642,7 +2643,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
{
int ret;

- if (req->num_pending_sgs)
+ if (req->request.num_mapped_sgs)
ret = dwc3_gadget_ep_reclaim_trb_sg(dep, req, event,
status);
else
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 33703140233a..08a93cf68eff 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -1473,7 +1473,7 @@ static void usb3_start_pipen(struct renesas_usb3_ep *usb3_ep,
struct renesas_usb3_request *usb3_req)
{
struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
- struct renesas_usb3_request *usb3_req_first = usb3_get_request(usb3_ep);
+ struct renesas_usb3_request *usb3_req_first;
unsigned long flags;
int ret = -EAGAIN;
u32 enable_bits = 0;
@@ -1481,7 +1481,8 @@ static void usb3_start_pipen(struct renesas_usb3_ep *usb3_ep,
spin_lock_irqsave(&usb3->lock, flags);
if (usb3_ep->halt || usb3_ep->started)
goto out;
- if (usb3_req != usb3_req_first)
+ usb3_req_first = __usb3_get_request(usb3_ep);
+ if (!usb3_req_first || usb3_req != usb3_req_first)
goto out;

if (usb3_pn_change(usb3, usb3_ep->num) < 0)
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index a3dfc77578ea..26baba3ab7d7 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -61,9 +61,9 @@ static ssize_t speed_store(struct device *dev, struct device_attribute *attr,
/* Set speed */
retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
0x01, /* vendor request: set speed */
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
tv->speed, /* speed value */
- 0, NULL, 0, USB_CTRL_GET_TIMEOUT);
+ 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
if (retval) {
tv->speed = old;
dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index b5d661644263..748139d26263 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -736,6 +736,7 @@ static int uss720_probe(struct usb_interface *intf,
parport_announce_port(pp);

usb_set_intfdata(intf, pp);
+ usb_put_dev(usbdev);
return 0;

probe_abort:
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c00e4177651a..7c0181ae44e9 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1034,6 +1034,9 @@ static const struct usb_device_id id_table_combined[] = {
/* Sienna devices */
{ USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
{ USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
+ /* IDS GmbH devices */
+ { USB_DEVICE(IDS_VID, IDS_SI31A_PID) },
+ { USB_DEVICE(IDS_VID, IDS_CM31A_PID) },
/* U-Blox devices */
{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) },
{ USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 3d47c6d72256..d854e04a4286 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1567,6 +1567,13 @@
#define UNJO_VID 0x22B7
#define UNJO_ISODEBUG_V1_PID 0x150D

+/*
+ * IDS GmbH
+ */
+#define IDS_VID 0x2CAF
+#define IDS_SI31A_PID 0x13A2
+#define IDS_CM31A_PID 0x13A3
+
/*
* U-Blox products (http://www.u-blox.com).
*/
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5c167bc089a0..25d8fb3a7395 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1240,6 +1240,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */
.driver_info = NCTRL(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7010, 0xff), /* Telit LE910-S1 (RNDIS) */
+ .driver_info = NCTRL(2) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff), /* Telit LE910-S1 (ECM) */
+ .driver_info = NCTRL(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */
.driver_info = NCTRL(0) | ZLP },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index e290b250f45c..9600cee95769 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -107,6 +107,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
+ { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530GC_PRODUCT_ID) },
{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
{ USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) },
{ } /* Terminating entry */
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index a897680473a7..3e5442573fe4 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -152,6 +152,7 @@
/* ADLINK ND-6530 RS232,RS485 and RS422 adapter */
#define ADLINK_VENDOR_ID 0x0b63
#define ADLINK_ND6530_PRODUCT_ID 0x6530
+#define ADLINK_ND6530GC_PRODUCT_ID 0x653a

/* SMART USB Serial Adapter */
#define SMART_VENDOR_ID 0x0b8c
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index b1449d4914cc..acc115d20f81 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -37,6 +37,7 @@
/* Vendor and product ids */
#define TI_VENDOR_ID 0x0451
#define IBM_VENDOR_ID 0x04b3
+#define STARTECH_VENDOR_ID 0x14b0
#define TI_3410_PRODUCT_ID 0x3410
#define IBM_4543_PRODUCT_ID 0x4543
#define IBM_454B_PRODUCT_ID 0x454b
@@ -372,6 +373,7 @@ static const struct usb_device_id ti_id_table_3410[] = {
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) },
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) },
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) },
+ { USB_DEVICE(STARTECH_VENDOR_ID, TI_3410_PRODUCT_ID) },
{ } /* terminator */
};

@@ -410,6 +412,7 @@ static const struct usb_device_id ti_id_table_combined[] = {
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) },
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) },
{ USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) },
+ { USB_DEVICE(STARTECH_VENDOR_ID, TI_3410_PRODUCT_ID) },
{ } /* terminator */
};

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 95205bde240f..eca3abc1a7cd 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4648,7 +4648,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len)
{
int ret = 0;
- u64 off = start;
+ u64 off;
u64 max = start + len;
u32 flags = 0;
u32 found_type;
@@ -4684,6 +4684,11 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
goto out_free_ulist;
}

+ /*
+ * We can't initialize that to 'start' as this could miss extents due
+ * to extent item merging
+ */
+ off = 0;
start = round_down(start, btrfs_inode_sectorsize(inode));
len = round_up(max, btrfs_inode_sectorsize(inode)) - start;

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index de53e5166997..54647eb9c6ed 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1846,8 +1846,6 @@ static noinline int link_to_fixup_dir(struct btrfs_trans_handle *trans,
ret = btrfs_update_inode(trans, root, inode);
} else if (ret == -EEXIST) {
ret = 0;
- } else {
- BUG(); /* Logic Error */
}
iput(inode);

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 81d9c4ea0e8f..e068f82ffedd 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -979,6 +979,13 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
/* Internal types */
server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES;

+ /*
+ * SMB3.0 supports only 1 cipher and doesn't have a encryption neg context
+ * Set the cipher type manually.
+ */
+ if (server->dialect == SMB30_PROT_ID && (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION))
+ server->cipher_type = SMB2_ENCRYPTION_AES128_CCM;
+
security_blob = smb2_get_data_area_len(&blob_offset, &blob_length,
(struct smb2_sync_hdr *)rsp);
/*
@@ -3604,10 +3611,10 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
* Related requests use info from previous read request
* in chain.
*/
- shdr->SessionId = 0xFFFFFFFF;
+ shdr->SessionId = 0xFFFFFFFFFFFFFFFF;
shdr->TreeId = 0xFFFFFFFF;
- req->PersistentFileId = 0xFFFFFFFF;
- req->VolatileFileId = 0xFFFFFFFF;
+ req->PersistentFileId = 0xFFFFFFFFFFFFFFFF;
+ req->VolatileFileId = 0xFFFFFFFFFFFFFFFF;
}
}
if (remaining_bytes > io_parms->length)
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index c9b605f6c9cb..98b74cdabb99 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -717,7 +717,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
if (unlikely(!p))
goto out_err;
fl->fh_array[i]->size = be32_to_cpup(p++);
- if (sizeof(struct nfs_fh) < fl->fh_array[i]->size) {
+ if (fl->fh_array[i]->size > NFS_MAXFHSIZE) {
printk(KERN_ERR "NFS: Too big fh %d received %d\n",
i, fl->fh_array[i]->size);
goto out_err;
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 6b31cb5f9c9d..7c73097b2f4e 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -168,7 +168,7 @@ static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence)
case SEEK_HOLE:
case SEEK_DATA:
ret = nfs42_proc_llseek(filep, offset, whence);
- if (ret != -ENOTSUPP)
+ if (ret != -EOPNOTSUPP)
return ret;
/* Fall through */
default:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 304ab4cdaa8c..ff54ba3c8247 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1647,7 +1647,7 @@ static void nfs_set_open_stateid_locked(struct nfs4_state *state,
rcu_read_unlock();
trace_nfs4_open_stateid_update_wait(state->inode, stateid, 0);

- if (!signal_pending(current)) {
+ if (!fatal_signal_pending(current)) {
if (schedule_timeout(5*HZ) == 0)
status = -EAGAIN;
else
@@ -3416,7 +3416,7 @@ static bool nfs4_refresh_open_old_stateid(nfs4_stateid *dst,
write_sequnlock(&state->seqlock);
trace_nfs4_close_stateid_update_wait(state->inode, dst, 0);

- if (signal_pending(current))
+ if (fatal_signal_pending(current))
status = -EINTR;
else
if (schedule_timeout(5*HZ) != 0)
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index f4407dd426bf..e3b85bfcfc7d 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -986,15 +986,16 @@ static int nfs_pageio_do_add_request(struct nfs_pageio_descriptor *desc,

struct nfs_page *prev = NULL;

- if (mirror->pg_count != 0) {
- prev = nfs_list_entry(mirror->pg_list.prev);
- } else {
+ if (list_empty(&mirror->pg_list)) {
if (desc->pg_ops->pg_init)
desc->pg_ops->pg_init(desc, req);
if (desc->pg_error < 0)
return 0;
mirror->pg_base = req->wb_pgbase;
- }
+ mirror->pg_count = 0;
+ mirror->pg_recoalesce = 0;
+ } else
+ prev = nfs_list_entry(mirror->pg_list.prev);

if (desc->pg_maxretrans && req->wb_nio > desc->pg_maxretrans) {
if (NFS_SERVER(desc->pg_inode)->flags & NFS_MOUNT_SOFTERR)
@@ -1018,17 +1019,16 @@ static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)
{
struct nfs_pgio_mirror *mirror = nfs_pgio_current_mirror(desc);

-
if (!list_empty(&mirror->pg_list)) {
int error = desc->pg_ops->pg_doio(desc);
if (error < 0)
desc->pg_error = error;
- else
+ if (list_empty(&mirror->pg_list)) {
mirror->pg_bytes_written += mirror->pg_count;
- }
- if (list_empty(&mirror->pg_list)) {
- mirror->pg_count = 0;
- mirror->pg_base = 0;
+ mirror->pg_count = 0;
+ mirror->pg_base = 0;
+ mirror->pg_recoalesce = 0;
+ }
}
}

@@ -1122,7 +1122,6 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)

do {
list_splice_init(&mirror->pg_list, &head);
- mirror->pg_bytes_written -= mirror->pg_count;
mirror->pg_count = 0;
mirror->pg_base = 0;
mirror->pg_recoalesce = 0;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 7e8c18218e68..1b512df1003f 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1285,6 +1285,11 @@ _pnfs_return_layout(struct inode *ino)
{
struct pnfs_layout_hdr *lo = NULL;
struct nfs_inode *nfsi = NFS_I(ino);
+ struct pnfs_layout_range range = {
+ .iomode = IOMODE_ANY,
+ .offset = 0,
+ .length = NFS4_MAX_UINT64,
+ };
LIST_HEAD(tmp_list);
nfs4_stateid stateid;
int status = 0;
@@ -1311,16 +1316,10 @@ _pnfs_return_layout(struct inode *ino)
}
valid_layout = pnfs_layout_is_valid(lo);
pnfs_clear_layoutcommit(ino, &tmp_list);
- pnfs_mark_matching_lsegs_return(lo, &tmp_list, NULL, 0);
+ pnfs_mark_matching_lsegs_return(lo, &tmp_list, &range, 0);

- if (NFS_SERVER(ino)->pnfs_curr_ld->return_range) {
- struct pnfs_layout_range range = {
- .iomode = IOMODE_ANY,
- .offset = 0,
- .length = NFS4_MAX_UINT64,
- };
+ if (NFS_SERVER(ino)->pnfs_curr_ld->return_range)
NFS_SERVER(ino)->pnfs_curr_ld->return_range(lo, &range);
- }

/* Don't send a LAYOUTRETURN if list was initially empty */
if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags) ||
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 653c2d8aa1cd..35114624fb03 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2556,6 +2556,10 @@ static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
void *page;
int rv;

+ /* A task may only write when it was the opener. */
+ if (file->f_cred != current_real_cred())
+ return -EPERM;
+
rcu_read_lock();
task = pid_task(proc_pid(inode), PIDTYPE_PID);
if (!task) {
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 68782ba8b6e8..69b9ccbe1ad0 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -5194,7 +5194,7 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
*/
int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
const u8 *addr, enum nl80211_iftype iftype,
- u8 data_offset);
+ u8 data_offset, bool is_amsdu);

/**
* ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
@@ -5206,7 +5206,7 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
static inline int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
enum nl80211_iftype iftype)
{
- return ieee80211_data_to_8023_exthdr(skb, NULL, addr, iftype, 0);
+ return ieee80211_data_to_8023_exthdr(skb, NULL, addr, iftype, 0, false);
}

/**
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index cee1c084e9f4..b16f9236de14 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -118,12 +118,7 @@ void __qdisc_run(struct Qdisc *q);
static inline void qdisc_run(struct Qdisc *q)
{
if (qdisc_run_begin(q)) {
- /* NOLOCK qdisc must check 'state' under the qdisc seqlock
- * to avoid racing with dev_qdisc_reset()
- */
- if (!(q->flags & TCQ_F_NOLOCK) ||
- likely(!test_bit(__QDISC_STATE_DEACTIVATED, &q->state)))
- __qdisc_run(q);
+ __qdisc_run(q);
qdisc_run_end(q);
}
}
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index b2ceec7b280d..0852f3e51360 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -36,6 +36,7 @@ struct qdisc_rate_table {
enum qdisc_state_t {
__QDISC_STATE_SCHED,
__QDISC_STATE_DEACTIVATED,
+ __QDISC_STATE_MISSED,
};

struct qdisc_size_table {
@@ -156,8 +157,33 @@ static inline bool qdisc_is_empty(const struct Qdisc *qdisc)
static inline bool qdisc_run_begin(struct Qdisc *qdisc)
{
if (qdisc->flags & TCQ_F_NOLOCK) {
+ if (spin_trylock(&qdisc->seqlock))
+ goto nolock_empty;
+
+ /* If the MISSED flag is set, it means other thread has
+ * set the MISSED flag before second spin_trylock(), so
+ * we can return false here to avoid multi cpus doing
+ * the set_bit() and second spin_trylock() concurrently.
+ */
+ if (test_bit(__QDISC_STATE_MISSED, &qdisc->state))
+ return false;
+
+ /* Set the MISSED flag before the second spin_trylock(),
+ * if the second spin_trylock() return false, it means
+ * other cpu holding the lock will do dequeuing for us
+ * or it will see the MISSED flag set after releasing
+ * lock and reschedule the net_tx_action() to do the
+ * dequeuing.
+ */
+ set_bit(__QDISC_STATE_MISSED, &qdisc->state);
+
+ /* Retry again in case other CPU may not see the new flag
+ * after it releases the lock at the end of qdisc_run_end().
+ */
if (!spin_trylock(&qdisc->seqlock))
return false;
+
+nolock_empty:
WRITE_ONCE(qdisc->empty, false);
} else if (qdisc_is_running(qdisc)) {
return false;
@@ -173,8 +199,15 @@ static inline bool qdisc_run_begin(struct Qdisc *qdisc)
static inline void qdisc_run_end(struct Qdisc *qdisc)
{
write_seqcount_end(&qdisc->running);
- if (qdisc->flags & TCQ_F_NOLOCK)
+ if (qdisc->flags & TCQ_F_NOLOCK) {
spin_unlock(&qdisc->seqlock);
+
+ if (unlikely(test_bit(__QDISC_STATE_MISSED,
+ &qdisc->state))) {
+ clear_bit(__QDISC_STATE_MISSED, &qdisc->state);
+ __netif_schedule(qdisc);
+ }
+ }
}

static inline bool qdisc_may_bulk(const struct Qdisc *qdisc)
diff --git a/include/net/sock.h b/include/net/sock.h
index 4137fa178790..a0728f24ecc5 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2150,13 +2150,15 @@ static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk)
sk_mem_charge(sk, skb->truesize);
}

-static inline void skb_set_owner_sk_safe(struct sk_buff *skb, struct sock *sk)
+static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struct sock *sk)
{
if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) {
skb_orphan(skb);
skb->destructor = sock_efree;
skb->sk = sk;
+ return true;
}
+ return false;
}

void sk_reset_timer(struct sock *sk, struct timer_list *timer,
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 07cfa3249f83..0a2d78e811cf 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -392,6 +392,11 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
if (!(session->flags & BIT(CMTP_LOOPBACK))) {
err = cmtp_attach_device(session);
if (err < 0) {
+ /* Caller will call fput in case of failure, and so
+ * will cmtp_session kthread.
+ */
+ get_file(session->sock->file);
+
atomic_inc(&session->terminate);
wake_up_interruptible(sk_sleep(session->sock->sk));
up_write(&cmtp_session_sem);
diff --git a/net/core/dev.c b/net/core/dev.c
index a30878346f54..e226f266da9e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3384,7 +3384,8 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,

if (q->flags & TCQ_F_NOLOCK) {
rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK;
- qdisc_run(q);
+ if (likely(!netif_xmit_frozen_or_stopped(txq)))
+ qdisc_run(q);

if (unlikely(to_free))
kfree_skb_list(to_free);
@@ -4515,25 +4516,43 @@ static __latent_entropy void net_tx_action(struct softirq_action *h)
sd->output_queue_tailp = &sd->output_queue;
local_irq_enable();

+ rcu_read_lock();
+
while (head) {
struct Qdisc *q = head;
spinlock_t *root_lock = NULL;

head = head->next_sched;

- if (!(q->flags & TCQ_F_NOLOCK)) {
- root_lock = qdisc_lock(q);
- spin_lock(root_lock);
- }
/* We need to make sure head->next_sched is read
* before clearing __QDISC_STATE_SCHED
*/
smp_mb__before_atomic();
+
+ if (!(q->flags & TCQ_F_NOLOCK)) {
+ root_lock = qdisc_lock(q);
+ spin_lock(root_lock);
+ } else if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED,
+ &q->state))) {
+ /* There is a synchronize_net() between
+ * STATE_DEACTIVATED flag being set and
+ * qdisc_reset()/some_qdisc_is_busy() in
+ * dev_deactivate(), so we can safely bail out
+ * early here to avoid data race between
+ * qdisc_deactivate() and some_qdisc_is_busy()
+ * for lockless qdisc.
+ */
+ clear_bit(__QDISC_STATE_SCHED, &q->state);
+ continue;
+ }
+
clear_bit(__QDISC_STATE_SCHED, &q->state);
qdisc_run(q);
if (root_lock)
spin_unlock(root_lock);
}
+
+ rcu_read_unlock();
}

xfrm_dev_backlog(sd);
diff --git a/net/core/filter.c b/net/core/filter.c
index 7fbb274b7fe3..108bcf600052 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3331,6 +3331,7 @@ static inline int __bpf_skb_change_head(struct sk_buff *skb, u32 head_room,
__skb_push(skb, head_room);
memset(skb->data, 0, head_room);
skb_reset_mac_header(skb);
+ skb_reset_mac_len(skb);
}

return ret;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 6635b83113f8..472a615775f3 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -132,6 +132,9 @@ static void neigh_update_gc_list(struct neighbour *n)
write_lock_bh(&n->tbl->lock);
write_lock(&n->lock);

+ if (n->dead)
+ goto out;
+
/* remove from the gc list if new state is permanent or if neighbor
* is externally learned; otherwise entry should be on the gc list
*/
@@ -148,6 +151,7 @@ static void neigh_update_gc_list(struct neighbour *n)
atomic_inc(&n->tbl->gc_entries);
}

+out:
write_unlock(&n->lock);
write_unlock_bh(&n->tbl->lock);
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 19c178aac0ae..68f84fac63e0 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2026,10 +2026,10 @@ void skb_orphan_partial(struct sk_buff *skb)
if (skb_is_tcp_pure_ack(skb))
return;

- if (can_skb_orphan_partial(skb))
- skb_set_owner_sk_safe(skb, skb->sk);
- else
- skb_orphan(skb);
+ if (can_skb_orphan_partial(skb) && skb_set_owner_sk_safe(skb, skb->sk))
+ return;
+
+ skb_orphan(skb);
}
EXPORT_SYMBOL(skb_orphan_partial);

diff --git a/net/dsa/master.c b/net/dsa/master.c
index be0b4ed3b7d8..40eddec48f26 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -147,8 +147,7 @@ static void dsa_master_get_strings(struct net_device *dev, uint32_t stringset,
struct dsa_switch *ds = cpu_dp->ds;
int port = cpu_dp->index;
int len = ETH_GSTRING_LEN;
- int mcount = 0, count;
- unsigned int i;
+ int mcount = 0, count, i;
uint8_t pfx[4];
uint8_t *ndata;

@@ -178,6 +177,8 @@ static void dsa_master_get_strings(struct net_device *dev, uint32_t stringset,
*/
ds->ops->get_strings(ds, port, stringset, ndata);
count = ds->ops->get_sset_count(ds, port, stringset);
+ if (count < 0)
+ return;
for (i = 0; i < count; i++) {
memmove(ndata + (i * len + sizeof(pfx)),
ndata + i * len, len - sizeof(pfx));
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 06f8874d53ee..75b4cd4bcafb 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -692,13 +692,15 @@ static int dsa_slave_get_sset_count(struct net_device *dev, int sset)
struct dsa_switch *ds = dp->ds;

if (sset == ETH_SS_STATS) {
- int count;
+ int count = 0;

- count = 4;
- if (ds->ops->get_sset_count)
- count += ds->ops->get_sset_count(ds, dp->index, sset);
+ if (ds->ops->get_sset_count) {
+ count = ds->ops->get_sset_count(ds, dp->index, sset);
+ if (count < 0)
+ return count;
+ }

- return count;
+ return count + 4;
}

return -EOPNOTSUPP;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index c875c9b6edbe..7d0a6a7c9d28 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1604,10 +1604,7 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
IPV6_TLV_PADN, 0 };

/* we assume size > sizeof(ra) here */
- /* limit our allocations to order-0 page */
- size = min_t(int, size, SKB_MAX_ORDER(0, 0));
skb = sock_alloc_send_skb(sk, size, 1, &err);
-
if (!skb)
return NULL;

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index c8cf1bbad74a..45ee1971d998 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -344,7 +344,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
hdr = ipv6_hdr(skb);
fhdr = (struct frag_hdr *)skb_transport_header(skb);

- if (!(fhdr->frag_off & htons(0xFFF9))) {
+ if (!(fhdr->frag_off & htons(IP6_OFFSET | IP6_MF))) {
/* It is not a fragmented frame */
skb->transport_header += sizeof(struct frag_hdr);
__IP6_INC_STATS(net,
@@ -352,6 +352,8 @@ static int ipv6_frag_rcv(struct sk_buff *skb)

IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
IP6CB(skb)->flags |= IP6SKB_FRAGMENTED;
+ IP6CB(skb)->frag_max_size = ntohs(hdr->payload_len) +
+ sizeof(struct ipv6hdr);
return 1;
}

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 268f1d8f440b..a7933279a80b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -50,12 +50,6 @@ struct ieee80211_local;
#define IEEE80211_ENCRYPT_HEADROOM 8
#define IEEE80211_ENCRYPT_TAILROOM 18

-/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
- * reception of at least three fragmented frames. This limit can be increased
- * by changing this define, at the cost of slower frame reassembly and
- * increased memory use (about 2 kB of RAM per entry). */
-#define IEEE80211_FRAGMENT_MAX 4
-
/* power level hasn't been configured (or set to automatic) */
#define IEEE80211_UNSET_POWER_LEVEL INT_MIN

@@ -88,18 +82,6 @@ extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];

#define IEEE80211_MAX_NAN_INSTANCE_ID 255

-struct ieee80211_fragment_entry {
- struct sk_buff_head skb_list;
- unsigned long first_frag_time;
- u16 seq;
- u16 extra_len;
- u16 last_frag;
- u8 rx_queue;
- bool check_sequential_pn; /* needed for CCMP/GCMP */
- u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
-};
-
-
struct ieee80211_bss {
u32 device_ts_beacon, device_ts_presp;

@@ -240,8 +222,15 @@ struct ieee80211_rx_data {
*/
int security_idx;

- u32 tkip_iv32;
- u16 tkip_iv16;
+ union {
+ struct {
+ u32 iv32;
+ u16 iv16;
+ } tkip;
+ struct {
+ u8 pn[IEEE80211_CCMP_PN_LEN];
+ } ccm_gcm;
+ };
};

struct ieee80211_csa_settings {
@@ -894,9 +883,7 @@ struct ieee80211_sub_if_data {

char name[IFNAMSIZ];

- /* Fragment table for host-based reassembly */
- struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
- unsigned int fragment_next;
+ struct ieee80211_fragment_cache frags;

/* TID bitmap for NoAck policy */
u16 noack_map;
@@ -2256,4 +2243,7 @@ extern const struct ethtool_ops ieee80211_ethtool_ops;
#define debug_noinline
#endif

+void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
+void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
+
#endif /* IEEE80211_I_H */
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6089b09ec13b..6f576306a4d7 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -8,7 +8,7 @@
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
*/
#include <linux/slab.h>
#include <linux/kernel.h>
@@ -1108,16 +1108,12 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
*/
static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
{
- int i;
-
/* free extra data */
ieee80211_free_keys(sdata, false);

ieee80211_debugfs_remove_netdev(sdata);

- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
- __skb_queue_purge(&sdata->fragments[i].skb_list);
- sdata->fragment_next = 0;
+ ieee80211_destroy_frag_cache(&sdata->frags);

if (ieee80211_vif_is_mesh(&sdata->vif))
ieee80211_mesh_teardown_sdata(sdata);
@@ -1827,8 +1823,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
sdata->wdev.wiphy = local->hw.wiphy;
sdata->local = local;

- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
- skb_queue_head_init(&sdata->fragments[i].skb_list);
+ ieee80211_init_frag_cache(&sdata->frags);

INIT_LIST_HEAD(&sdata->key_list);

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index efc1acc6543c..fff7efc5b971 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -764,6 +764,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta)
{
+ static atomic_t key_color = ATOMIC_INIT(0);
struct ieee80211_key *old_key;
int idx = key->conf.keyidx;
bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
@@ -815,6 +816,12 @@ int ieee80211_key_link(struct ieee80211_key *key,
key->sdata = sdata;
key->sta = sta;

+ /*
+ * Assign a unique ID to every key so we can easily prevent mixed
+ * key and fragment cache attacks.
+ */
+ key->color = atomic_inc_return(&key_color);
+
increment_tailroom_need_count(sdata);

ret = ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index d6d6e89cf7dd..c463938bec99 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -127,6 +127,8 @@ struct ieee80211_key {
} debugfs;
#endif

+ unsigned int color;
+
/*
* key config, must be last because it contains key
* material as variable length member
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1a15e7bae106..3d7a5c5e586a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -6,7 +6,7 @@
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
*/

#include <linux/jiffies.h>
@@ -2083,19 +2083,34 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
return result;
}

+void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cache->entries); i++)
+ skb_queue_head_init(&cache->entries[i].skb_list);
+}
+
+void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cache->entries); i++)
+ __skb_queue_purge(&cache->entries[i].skb_list);
+}
+
static inline struct ieee80211_fragment_entry *
-ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
+ieee80211_reassemble_add(struct ieee80211_fragment_cache *cache,
unsigned int frag, unsigned int seq, int rx_queue,
struct sk_buff **skb)
{
struct ieee80211_fragment_entry *entry;

- entry = &sdata->fragments[sdata->fragment_next++];
- if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX)
- sdata->fragment_next = 0;
+ entry = &cache->entries[cache->next++];
+ if (cache->next >= IEEE80211_FRAGMENT_MAX)
+ cache->next = 0;

- if (!skb_queue_empty(&entry->skb_list))
- __skb_queue_purge(&entry->skb_list);
+ __skb_queue_purge(&entry->skb_list);

__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */
*skb = NULL;
@@ -2110,14 +2125,14 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
}

static inline struct ieee80211_fragment_entry *
-ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
+ieee80211_reassemble_find(struct ieee80211_fragment_cache *cache,
unsigned int frag, unsigned int seq,
int rx_queue, struct ieee80211_hdr *hdr)
{
struct ieee80211_fragment_entry *entry;
int i, idx;

- idx = sdata->fragment_next;
+ idx = cache->next;
for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
struct ieee80211_hdr *f_hdr;
struct sk_buff *f_skb;
@@ -2126,7 +2141,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
if (idx < 0)
idx = IEEE80211_FRAGMENT_MAX - 1;

- entry = &sdata->fragments[idx];
+ entry = &cache->entries[idx];
if (skb_queue_empty(&entry->skb_list) || entry->seq != seq ||
entry->rx_queue != rx_queue ||
entry->last_frag + 1 != frag)
@@ -2154,15 +2169,27 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
return NULL;
}

+static bool requires_sequential_pn(struct ieee80211_rx_data *rx, __le16 fc)
+{
+ return rx->key &&
+ (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||
+ rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 ||
+ rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP ||
+ rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) &&
+ ieee80211_has_protected(fc);
+}
+
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
{
+ struct ieee80211_fragment_cache *cache = &rx->sdata->frags;
struct ieee80211_hdr *hdr;
u16 sc;
__le16 fc;
unsigned int frag, seq;
struct ieee80211_fragment_entry *entry;
struct sk_buff *skb;
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);

hdr = (struct ieee80211_hdr *)rx->skb->data;
fc = hdr->frame_control;
@@ -2178,6 +2205,9 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
goto out_no_led;
}

+ if (rx->sta)
+ cache = &rx->sta->frags;
+
if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
goto out;

@@ -2196,20 +2226,17 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)

if (frag == 0) {
/* This is the first fragment of a new frame. */
- entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
+ entry = ieee80211_reassemble_add(cache, frag, seq,
rx->seqno_idx, &(rx->skb));
- if (rx->key &&
- (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||
- rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 ||
- rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP ||
- rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) &&
- ieee80211_has_protected(fc)) {
+ if (requires_sequential_pn(rx, fc)) {
int queue = rx->security_idx;

/* Store CCMP/GCMP PN so that we can verify that the
* next fragment has a sequential PN value.
*/
entry->check_sequential_pn = true;
+ entry->is_protected = true;
+ entry->key_color = rx->key->color;
memcpy(entry->last_pn,
rx->key->u.ccmp.rx_pn[queue],
IEEE80211_CCMP_PN_LEN);
@@ -2221,6 +2248,11 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
sizeof(rx->key->u.gcmp.rx_pn[queue]));
BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN !=
IEEE80211_GCMP_PN_LEN);
+ } else if (rx->key &&
+ (ieee80211_has_protected(fc) ||
+ (status->flag & RX_FLAG_DECRYPTED))) {
+ entry->is_protected = true;
+ entry->key_color = rx->key->color;
}
return RX_QUEUED;
}
@@ -2228,7 +2260,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
/* This is a fragment for a frame that should already be pending in
* fragment cache. Add this fragment to the end of the pending entry.
*/
- entry = ieee80211_reassemble_find(rx->sdata, frag, seq,
+ entry = ieee80211_reassemble_find(cache, frag, seq,
rx->seqno_idx, hdr);
if (!entry) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
@@ -2243,25 +2275,39 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (entry->check_sequential_pn) {
int i;
u8 pn[IEEE80211_CCMP_PN_LEN], *rpn;
- int queue;

- if (!rx->key ||
- (rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP &&
- rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP_256 &&
- rx->key->conf.cipher != WLAN_CIPHER_SUITE_GCMP &&
- rx->key->conf.cipher != WLAN_CIPHER_SUITE_GCMP_256))
+ if (!requires_sequential_pn(rx, fc))
+ return RX_DROP_UNUSABLE;
+
+ /* Prevent mixed key and fragment cache attacks */
+ if (entry->key_color != rx->key->color)
return RX_DROP_UNUSABLE;
+
memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);
for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {
pn[i]++;
if (pn[i])
break;
}
- queue = rx->security_idx;
- rpn = rx->key->u.ccmp.rx_pn[queue];
+
+ rpn = rx->ccm_gcm.pn;
if (memcmp(pn, rpn, IEEE80211_CCMP_PN_LEN))
return RX_DROP_UNUSABLE;
memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN);
+ } else if (entry->is_protected &&
+ (!rx->key ||
+ (!ieee80211_has_protected(fc) &&
+ !(status->flag & RX_FLAG_DECRYPTED)) ||
+ rx->key->color != entry->key_color)) {
+ /* Drop this as a mixed key or fragment cache attack, even
+ * if for TKIP Michael MIC should protect us, and WEP is a
+ * lost cause anyway.
+ */
+ return RX_DROP_UNUSABLE;
+ } else if (entry->is_protected && rx->key &&
+ entry->key_color != rx->key->color &&
+ (status->flag & RX_FLAG_DECRYPTED)) {
+ return RX_DROP_UNUSABLE;
}

skb_pull(rx->skb, ieee80211_hdrlen(fc));
@@ -2447,13 +2493,13 @@ static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx, __le16 fc)
struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;

/*
- * Allow EAPOL frames to us/the PAE group address regardless
- * of whether the frame was encrypted or not.
+ * Allow EAPOL frames to us/the PAE group address regardless of
+ * whether the frame was encrypted or not, and always disallow
+ * all other destination addresses for them.
*/
- if (ehdr->h_proto == rx->sdata->control_port_protocol &&
- (ether_addr_equal(ehdr->h_dest, rx->sdata->vif.addr) ||
- ether_addr_equal(ehdr->h_dest, pae_group_addr)))
- return true;
+ if (unlikely(ehdr->h_proto == rx->sdata->control_port_protocol))
+ return ether_addr_equal(ehdr->h_dest, rx->sdata->vif.addr) ||
+ ether_addr_equal(ehdr->h_dest, pae_group_addr);

if (ieee80211_802_1x_port_control(rx) ||
ieee80211_drop_unencrypted(rx, fc))
@@ -2477,8 +2523,28 @@ static void ieee80211_deliver_skb_to_local_stack(struct sk_buff *skb,
cfg80211_rx_control_port(dev, skb, noencrypt);
dev_kfree_skb(skb);
} else {
+ struct ethhdr *ehdr = (void *)skb_mac_header(skb);
+
memset(skb->cb, 0, sizeof(skb->cb));

+ /*
+ * 802.1X over 802.11 requires that the authenticator address
+ * be used for EAPOL frames. However, 802.1X allows the use of
+ * the PAE group address instead. If the interface is part of
+ * a bridge and we pass the frame with the PAE group address,
+ * then the bridge will forward it to the network (even if the
+ * client was not associated yet), which isn't supposed to
+ * happen.
+ * To avoid that, rewrite the destination address to our own
+ * address, so that the authenticator (e.g. hostapd) will see
+ * the frame, but bridge won't forward it anywhere else. Note
+ * that due to earlier filtering, the only other address can
+ * be the PAE group address.
+ */
+ if (unlikely(skb->protocol == sdata->control_port_protocol &&
+ !ether_addr_equal(ehdr->h_dest, sdata->vif.addr)))
+ ether_addr_copy(ehdr->h_dest, sdata->vif.addr);
+
/* deliver to local stack */
if (rx->napi)
napi_gro_receive(rx->napi, skb);
@@ -2518,6 +2584,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
if ((sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
+ ehdr->h_proto != rx->sdata->control_port_protocol &&
(sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {
if (is_multicast_ether_addr(ehdr->h_dest) &&
ieee80211_vif_get_num_mcast_if(sdata) != 0) {
@@ -2627,7 +2694,7 @@ __ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx, u8 data_offset)
if (ieee80211_data_to_8023_exthdr(skb, &ethhdr,
rx->sdata->vif.addr,
rx->sdata->vif.type,
- data_offset))
+ data_offset, true))
return RX_DROP_UNUSABLE;

ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,
@@ -2684,6 +2751,23 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
if (is_multicast_ether_addr(hdr->addr1))
return RX_DROP_UNUSABLE;

+ if (rx->key) {
+ /*
+ * We should not receive A-MSDUs on pre-HT connections,
+ * and HT connections cannot use old ciphers. Thus drop
+ * them, as in those cases we couldn't even have SPP
+ * A-MSDUs or such.
+ */
+ switch (rx->key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ case WLAN_CIPHER_SUITE_TKIP:
+ return RX_DROP_UNUSABLE;
+ default:
+ break;
+ }
+ }
+
return __ieee80211_rx_h_amsdu(rx, 0);
}

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 4a23996dce04..82a1dd7b7d68 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
*/

#include <linux/module.h>
@@ -378,6 +378,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,

u64_stats_init(&sta->rx_stats.syncp);

+ ieee80211_init_frag_cache(&sta->frags);
+
sta->sta_state = IEEE80211_STA_NONE;

/* Mark TID as unreserved */
@@ -1085,6 +1087,8 @@ static void __sta_info_destroy_part2(struct sta_info *sta)

ieee80211_sta_debugfs_remove(sta);

+ ieee80211_destroy_frag_cache(&sta->frags);
+
cleanup_single_sta(sta);
}

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index be1d9dfa760d..2eb73be9b986 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -3,6 +3,7 @@
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015-2017 Intel Deutschland GmbH
+ * Copyright(c) 2020-2021 Intel Corporation
*/

#ifndef STA_INFO_H
@@ -425,6 +426,34 @@ struct ieee80211_sta_rx_stats {
u64 msdu[IEEE80211_NUM_TIDS + 1];
};

+/*
+ * IEEE 802.11-2016 (10.6 "Defragmentation") recommends support for "concurrent
+ * reception of at least one MSDU per access category per associated STA"
+ * on APs, or "at least one MSDU per access category" on other interface types.
+ *
+ * This limit can be increased by changing this define, at the cost of slower
+ * frame reassembly and increased memory use while fragments are pending.
+ */
+#define IEEE80211_FRAGMENT_MAX 4
+
+struct ieee80211_fragment_entry {
+ struct sk_buff_head skb_list;
+ unsigned long first_frag_time;
+ u16 seq;
+ u16 extra_len;
+ u16 last_frag;
+ u8 rx_queue;
+ u8 check_sequential_pn:1, /* needed for CCMP/GCMP */
+ is_protected:1;
+ u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
+ unsigned int key_color;
+};
+
+struct ieee80211_fragment_cache {
+ struct ieee80211_fragment_entry entries[IEEE80211_FRAGMENT_MAX];
+ unsigned int next;
+};
+
/*
* The bandwidth threshold below which the per-station CoDel parameters will be
* scaled to be more lenient (to prevent starvation of slow stations). This
@@ -518,6 +547,7 @@ struct ieee80211_sta_rx_stats {
* @status_stats.last_ack_signal: last ACK signal
* @status_stats.ack_signal_filled: last ACK signal validity
* @status_stats.avg_ack_signal: average ACK signal
+ * @frags: fragment cache
*/
struct sta_info {
/* General information, mostly static */
@@ -623,6 +653,8 @@ struct sta_info {

struct cfg80211_chan_def tdls_chandef;

+ struct ieee80211_fragment_cache frags;
+
/* keep last! */
struct ieee80211_sta sta;
};
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 91bf32af55e9..bca47fad5a16 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -3,6 +3,7 @@
* Copyright 2002-2004, Instant802 Networks, Inc.
* Copyright 2008, Jouni Malinen <j@w1.fi>
* Copyright (C) 2016-2017 Intel Deutschland GmbH
+ * Copyright (C) 2020-2021 Intel Corporation
*/

#include <linux/netdevice.h>
@@ -167,8 +168,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)

update_iv:
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip_iv32;
- rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip_iv16;
+ rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip.iv32;
+ rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip.iv16;

return RX_CONTINUE;

@@ -294,8 +295,8 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
hdr->addr1, hwaccel, rx->security_idx,
- &rx->tkip_iv32,
- &rx->tkip_iv16);
+ &rx->tkip.iv32,
+ &rx->tkip.iv16);
if (res != TKIP_DECRYPT_OK)
return RX_DROP_UNUSABLE;

@@ -553,6 +554,8 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx,
}

memcpy(key->u.ccmp.rx_pn[queue], pn, IEEE80211_CCMP_PN_LEN);
+ if (unlikely(ieee80211_is_frag(hdr)))
+ memcpy(rx->ccm_gcm.pn, pn, IEEE80211_CCMP_PN_LEN);
}

/* Remove CCMP header and MIC */
@@ -781,6 +784,8 @@ ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx)
}

memcpy(key->u.gcmp.rx_pn[queue], pn, IEEE80211_GCMP_PN_LEN);
+ if (unlikely(ieee80211_is_frag(hdr)))
+ memcpy(rx->ccm_gcm.pn, pn, IEEE80211_CCMP_PN_LEN);
}

/* Remove GCMP header and MIC */
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 541eea74ef7a..c37e09223cbb 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -460,6 +460,14 @@ bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
spin_lock(&meter->lock);

long_delta_ms = (now_ms - meter->used); /* ms */
+ if (long_delta_ms < 0) {
+ /* This condition means that we have several threads fighting
+ * for a meter lock, and the one who received the packets a
+ * bit later wins. Assuming that all racing threads received
+ * packets at the same time to avoid overflow.
+ */
+ long_delta_ms = 0;
+ }

/* Make sure delta_ms will not be too large, so that bucket will not
* wrap around below.
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 2b88710994d7..76ed1a05ded2 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -406,7 +406,8 @@ static void dsmark_reset(struct Qdisc *sch)
struct dsmark_qdisc_data *p = qdisc_priv(sch);

pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
- qdisc_reset(p->q);
+ if (p->q)
+ qdisc_reset(p->q);
sch->qstats.backlog = 0;
sch->q.qlen = 0;
}
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 6e6147a81bc3..9bc5cbe9809b 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -35,6 +35,25 @@
const struct Qdisc_ops *default_qdisc_ops = &pfifo_fast_ops;
EXPORT_SYMBOL(default_qdisc_ops);

+static void qdisc_maybe_clear_missed(struct Qdisc *q,
+ const struct netdev_queue *txq)
+{
+ clear_bit(__QDISC_STATE_MISSED, &q->state);
+
+ /* Make sure the below netif_xmit_frozen_or_stopped()
+ * checking happens after clearing STATE_MISSED.
+ */
+ smp_mb__after_atomic();
+
+ /* Checking netif_xmit_frozen_or_stopped() again to
+ * make sure STATE_MISSED is set if the STATE_MISSED
+ * set by netif_tx_wake_queue()'s rescheduling of
+ * net_tx_action() is cleared by the above clear_bit().
+ */
+ if (!netif_xmit_frozen_or_stopped(txq))
+ set_bit(__QDISC_STATE_MISSED, &q->state);
+}
+
/* Main transmission queue. */

/* Modifications to data participating in scheduling must be protected with
@@ -74,6 +93,7 @@ static inline struct sk_buff *__skb_dequeue_bad_txq(struct Qdisc *q)
}
} else {
skb = SKB_XOFF_MAGIC;
+ qdisc_maybe_clear_missed(q, txq);
}
}

@@ -242,6 +262,7 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate,
}
} else {
skb = NULL;
+ qdisc_maybe_clear_missed(q, txq);
}
if (lock)
spin_unlock(lock);
@@ -251,8 +272,10 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate,
*validate = true;

if ((q->flags & TCQ_F_ONETXQUEUE) &&
- netif_xmit_frozen_or_stopped(txq))
+ netif_xmit_frozen_or_stopped(txq)) {
+ qdisc_maybe_clear_missed(q, txq);
return skb;
+ }

skb = qdisc_dequeue_skb_bad_txq(q);
if (unlikely(skb)) {
@@ -311,6 +334,8 @@ bool sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (!netif_xmit_frozen_or_stopped(txq))
skb = dev_hard_start_xmit(skb, dev, txq, &ret);
+ else
+ qdisc_maybe_clear_missed(q, txq);

HARD_TX_UNLOCK(dev, txq);
} else {
@@ -645,8 +670,10 @@ static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
{
struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
struct sk_buff *skb = NULL;
+ bool need_retry = true;
int band;

+retry:
for (band = 0; band < PFIFO_FAST_BANDS && !skb; band++) {
struct skb_array *q = band2list(priv, band);

@@ -657,6 +684,23 @@ static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
}
if (likely(skb)) {
qdisc_update_stats_at_dequeue(qdisc, skb);
+ } else if (need_retry &&
+ test_bit(__QDISC_STATE_MISSED, &qdisc->state)) {
+ /* Delay clearing the STATE_MISSED here to reduce
+ * the overhead of the second spin_trylock() in
+ * qdisc_run_begin() and __netif_schedule() calling
+ * in qdisc_run_end().
+ */
+ clear_bit(__QDISC_STATE_MISSED, &qdisc->state);
+
+ /* Make sure dequeuing happens after clearing
+ * STATE_MISSED.
+ */
+ smp_mb__after_atomic();
+
+ need_retry = false;
+
+ goto retry;
} else {
WRITE_ONCE(qdisc->empty, true);
}
@@ -1157,8 +1201,10 @@ static void dev_reset_queue(struct net_device *dev,
qdisc_reset(qdisc);

spin_unlock_bh(qdisc_lock(qdisc));
- if (nolock)
+ if (nolock) {
+ clear_bit(__QDISC_STATE_MISSED, &qdisc->state);
spin_unlock_bh(&qdisc->seqlock);
+ }
}

static bool some_qdisc_is_busy(struct net_device *dev)
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index e89e918b88e0..2fff79db1a59 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -289,11 +289,6 @@ struct smcd_dev *smcd_alloc_dev(struct device *parent, const char *name,
INIT_LIST_HEAD(&smcd->vlan);
smcd->event_wq = alloc_ordered_workqueue("ism_evt_wq-%s)",
WQ_MEM_RECLAIM, name);
- if (!smcd->event_wq) {
- kfree(smcd->conn);
- kfree(smcd);
- return NULL;
- }
return smcd;
}
EXPORT_SYMBOL_GPL(smcd_alloc_dev);
diff --git a/net/tipc/core.c b/net/tipc/core.c
index e3d79f8b69d8..90cf7e0bbaf0 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -107,6 +107,9 @@ static void __net_exit tipc_exit_net(struct net *net)
tipc_bcast_stop(net);
tipc_nametbl_stop(net);
tipc_sk_rht_destroy(net);
+
+ while (atomic_read(&tn->wq_count))
+ cond_resched();
}

static struct pernet_operations tipc_net_ops = {
diff --git a/net/tipc/core.h b/net/tipc/core.h
index e119c4a88d63..c6bda91f8581 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -143,6 +143,8 @@ struct tipc_net {

/* Work item for net finalize */
struct tipc_net_work final_work;
+ /* The numbers of work queues in schedule */
+ atomic_t wq_count;
};

static inline struct tipc_net *tipc_net(struct net *net)
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 46e89c992c2d..e4ea942873d4 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -141,18 +141,13 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf)
if (unlikely(head))
goto err;
*buf = NULL;
+ if (skb_has_frag_list(frag) && __skb_linearize(frag))
+ goto err;
frag = skb_unshare(frag, GFP_ATOMIC);
if (unlikely(!frag))
goto err;
head = *headbuf = frag;
TIPC_SKB_CB(head)->tail = NULL;
- if (skb_is_nonlinear(head)) {
- skb_walk_frags(head, tail) {
- TIPC_SKB_CB(head)->tail = tail;
- }
- } else {
- skb_frag_list_init(head);
- }
return 0;
}

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index b2c36dcfc8e2..cdade990fe44 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1210,7 +1210,10 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
spin_lock_bh(&inputq->lock);
if (skb_peek(arrvq) == skb) {
skb_queue_splice_tail_init(&tmpq, inputq);
- __skb_dequeue(arrvq);
+ /* Decrease the skb's refcnt as increasing in the
+ * function tipc_skb_peek
+ */
+ kfree_skb(__skb_dequeue(arrvq));
}
spin_unlock_bh(&inputq->lock);
__skb_queue_purge(&tmpq);
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 8f0977a9d423..1fb0535e2eb4 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -802,6 +802,7 @@ static void cleanup_bearer(struct work_struct *work)
kfree_rcu(rcast, rcu);
}

+ atomic_dec(&tipc_net(sock_net(ub->ubsock->sk))->wq_count);
dst_cache_destroy(&ub->rcast.dst_cache);
udp_tunnel_sock_release(ub->ubsock);
synchronize_net();
@@ -822,6 +823,7 @@ static void tipc_udp_disable(struct tipc_bearer *b)
RCU_INIT_POINTER(ub->bearer, NULL);

/* sock_release need to be done outside of rtnl lock */
+ atomic_inc(&tipc_net(sock_net(ub->ubsock->sk))->wq_count);
INIT_WORK(&ub->work, cleanup_bearer);
schedule_work(&ub->work);
}
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 0d524ef0d8c8..cdb65aa54be7 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -37,6 +37,7 @@

#include <linux/sched/signal.h>
#include <linux/module.h>
+#include <linux/splice.h>
#include <crypto/aead.h>

#include <net/strparser.h>
@@ -1278,7 +1279,7 @@ int tls_sw_sendpage(struct sock *sk, struct page *page,
}

static struct sk_buff *tls_wait_data(struct sock *sk, struct sk_psock *psock,
- int flags, long timeo, int *err)
+ bool nonblock, long timeo, int *err)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
@@ -1303,7 +1304,7 @@ static struct sk_buff *tls_wait_data(struct sock *sk, struct sk_psock *psock,
if (sock_flag(sk, SOCK_DONE))
return NULL;

- if ((flags & MSG_DONTWAIT) || !timeo) {
+ if (nonblock || !timeo) {
*err = -EAGAIN;
return NULL;
}
@@ -1781,7 +1782,7 @@ int tls_sw_recvmsg(struct sock *sk,
bool async_capable;
bool async = false;

- skb = tls_wait_data(sk, psock, flags, timeo, &err);
+ skb = tls_wait_data(sk, psock, flags & MSG_DONTWAIT, timeo, &err);
if (!skb) {
if (psock) {
int ret = __tcp_bpf_recvmsg(sk, psock,
@@ -1985,9 +1986,9 @@ ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos,

lock_sock(sk);

- timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
+ timeo = sock_rcvtimeo(sk, flags & SPLICE_F_NONBLOCK);

- skb = tls_wait_data(sk, NULL, flags, timeo, &err);
+ skb = tls_wait_data(sk, NULL, flags & SPLICE_F_NONBLOCK, timeo, &err);
if (!skb)
goto splice_read_end;

diff --git a/net/wireless/util.c b/net/wireless/util.c
index 9abafd76ec50..82244e2fc1f5 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -451,7 +451,7 @@ EXPORT_SYMBOL(ieee80211_get_mesh_hdrlen);

int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
const u8 *addr, enum nl80211_iftype iftype,
- u8 data_offset)
+ u8 data_offset, bool is_amsdu)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct {
@@ -539,7 +539,7 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
skb_copy_bits(skb, hdrlen, &payload, sizeof(payload));
tmp.h_proto = payload.proto;

- if (likely((ether_addr_equal(payload.hdr, rfc1042_header) &&
+ if (likely((!is_amsdu && ether_addr_equal(payload.hdr, rfc1042_header) &&
tmp.h_proto != htons(ETH_P_AARP) &&
tmp.h_proto != htons(ETH_P_IPX)) ||
ether_addr_equal(payload.hdr, bridge_tunnel_header)))
@@ -681,6 +681,9 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
remaining = skb->len - offset;
if (subframe_len > remaining)
goto purge;
+ /* mitigate A-MSDU aggregation injection attacks */
+ if (ether_addr_equal(eth.h_dest, rfc1042_header))
+ goto purge;

offset += sizeof(struct ethhdr);
last = remaining <= subframe_len + padding;
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c
index af6b4d89d695..39911a637e80 100644
--- a/sound/isa/gus/gus_main.c
+++ b/sound/isa/gus/gus_main.c
@@ -77,17 +77,8 @@ static const struct snd_kcontrol_new snd_gus_joystick_control = {

static void snd_gus_init_control(struct snd_gus_card *gus)
{
- int ret;
-
- if (!gus->ace_flag) {
- ret =
- snd_ctl_add(gus->card,
- snd_ctl_new1(&snd_gus_joystick_control,
- gus));
- if (ret)
- snd_printk(KERN_ERR "gus: snd_ctl_add failed: %d\n",
- ret);
- }
+ if (!gus->ace_flag)
+ snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
}

/*
diff --git a/sound/isa/sb/sb16_main.c b/sound/isa/sb/sb16_main.c
index 0768bbf8fd71..679f9f48370f 100644
--- a/sound/isa/sb/sb16_main.c
+++ b/sound/isa/sb/sb16_main.c
@@ -864,14 +864,10 @@ int snd_sb16dsp_pcm(struct snd_sb *chip, int device)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sb16_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sb16_capture_ops);

- if (chip->dma16 >= 0 && chip->dma8 != chip->dma16) {
- err = snd_ctl_add(card, snd_ctl_new1(
- &snd_sb16_dma_control, chip));
- if (err)
- return err;
- } else {
+ if (chip->dma16 >= 0 && chip->dma8 != chip->dma16)
+ snd_ctl_add(card, snd_ctl_new1(&snd_sb16_dma_control, chip));
+ else
pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
- }

snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev,
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d02c49e1686b..b9fa2ee0a40c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2593,6 +2593,28 @@ static const struct hda_model_fixup alc882_fixup_models[] = {
{}
};

+static const struct snd_hda_pin_quirk alc882_pin_fixup_tbl[] = {
+ SND_HDA_PIN_QUIRK(0x10ec1220, 0x1043, "ASUS", ALC1220_FIXUP_CLEVO_P950,
+ {0x14, 0x01014010},
+ {0x15, 0x01011012},
+ {0x16, 0x01016011},
+ {0x18, 0x01a19040},
+ {0x19, 0x02a19050},
+ {0x1a, 0x0181304f},
+ {0x1b, 0x0221401f},
+ {0x1e, 0x01456130}),
+ SND_HDA_PIN_QUIRK(0x10ec1220, 0x1462, "MS-7C35", ALC1220_FIXUP_CLEVO_P950,
+ {0x14, 0x01015010},
+ {0x15, 0x01011012},
+ {0x16, 0x01011011},
+ {0x18, 0x01a11040},
+ {0x19, 0x02a19050},
+ {0x1a, 0x0181104f},
+ {0x1b, 0x0221401f},
+ {0x1e, 0x01451130}),
+ {}
+};
+
/*
* BIOS auto configuration
*/
@@ -2634,6 +2656,7 @@ static int patch_alc882(struct hda_codec *codec)

snd_hda_pick_fixup(codec, alc882_fixup_models, alc882_fixup_tbl,
alc882_fixups);
+ snd_hda_pick_pin_fixup(codec, alc882_pin_fixup_tbl, alc882_fixups, true);
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);

alc_auto_parse_customize_define(codec);
diff --git a/sound/soc/codecs/cs35l33.c b/sound/soc/codecs/cs35l33.c
index 6042194d95d3..8894369e329a 100644
--- a/sound/soc/codecs/cs35l33.c
+++ b/sound/soc/codecs/cs35l33.c
@@ -1201,6 +1201,7 @@ static int cs35l33_i2c_probe(struct i2c_client *i2c_client,
dev_err(&i2c_client->dev,
"CS35L33 Device ID (%X). Expected ID %X\n",
devid, CS35L33_CHIP_ID);
+ ret = -EINVAL;
goto err_enable;
}

diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index dcd2acb2c3ce..5faf8877137a 100644
--- a/sound/soc/codecs/cs42l42.c
+++ b/sound/soc/codecs/cs42l42.c
@@ -398,6 +398,9 @@ static const struct regmap_config cs42l42_regmap = {
.reg_defaults = cs42l42_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(cs42l42_reg_defaults),
.cache_type = REGCACHE_RBTREE,
+
+ .use_single_read = true,
+ .use_single_write = true,
};

static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, false);
diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c
index 7fb34422a2a4..8f70dee95878 100644
--- a/sound/soc/codecs/cs43130.c
+++ b/sound/soc/codecs/cs43130.c
@@ -1735,6 +1735,14 @@ static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL);
static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL);
static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL);

+static struct attribute *hpload_attrs[] = {
+ &dev_attr_hpload_dc_l.attr,
+ &dev_attr_hpload_dc_r.attr,
+ &dev_attr_hpload_ac_l.attr,
+ &dev_attr_hpload_ac_r.attr,
+};
+ATTRIBUTE_GROUPS(hpload);
+
static struct reg_sequence hp_en_cal_seq[] = {
{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
{CS43130_HP_MEAS_LOAD_1, 0},
@@ -2302,25 +2310,15 @@ static int cs43130_probe(struct snd_soc_component *component)

cs43130->hpload_done = false;
if (cs43130->dc_meas) {
- ret = device_create_file(component->dev, &dev_attr_hpload_dc_l);
- if (ret < 0)
- return ret;
-
- ret = device_create_file(component->dev, &dev_attr_hpload_dc_r);
- if (ret < 0)
- return ret;
-
- ret = device_create_file(component->dev, &dev_attr_hpload_ac_l);
- if (ret < 0)
- return ret;
-
- ret = device_create_file(component->dev, &dev_attr_hpload_ac_r);
- if (ret < 0)
+ ret = sysfs_create_groups(&component->dev->kobj, hpload_groups);
+ if (ret)
return ret;

cs43130->wq = create_singlethread_workqueue("cs43130_hp");
- if (!cs43130->wq)
+ if (!cs43130->wq) {
+ sysfs_remove_groups(&component->dev->kobj, hpload_groups);
return -ENOMEM;
+ }
INIT_WORK(&cs43130->work, cs43130_imp_meas);
}

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 2040fecea17b..5251818e10d3 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -2268,7 +2268,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
- err = snd_scarlett_gen2_controls_create(mixer);
+ err = snd_scarlett_gen2_init(mixer);
break;

case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 74c00c905d24..7a10c9e22c46 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -635,7 +635,7 @@ static int scarlett2_usb(
/* send a second message to get the response */

err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_sndctrlpipe(mixer->chip->dev, 0),
+ usb_rcvctrlpipe(mixer->chip->dev, 0),
SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
0,
@@ -1997,38 +1997,11 @@ static int scarlett2_mixer_status_create(struct usb_mixer_interface *mixer)
return usb_submit_urb(mixer->urb, GFP_KERNEL);
}

-/* Entry point */
-int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer)
+static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer,
+ const struct scarlett2_device_info *info)
{
- const struct scarlett2_device_info *info;
int err;

- /* only use UAC_VERSION_2 */
- if (!mixer->protocol)
- return 0;
-
- switch (mixer->chip->usb_id) {
- case USB_ID(0x1235, 0x8203):
- info = &s6i6_gen2_info;
- break;
- case USB_ID(0x1235, 0x8204):
- info = &s18i8_gen2_info;
- break;
- case USB_ID(0x1235, 0x8201):
- info = &s18i20_gen2_info;
- break;
- default: /* device not (yet) supported */
- return -EINVAL;
- }
-
- if (!(mixer->chip->setup & SCARLETT2_ENABLE)) {
- usb_audio_err(mixer->chip,
- "Focusrite Scarlett Gen 2 Mixer Driver disabled; "
- "use options snd_usb_audio device_setup=1 "
- "to enable and report any issues to g@b4.vu");
- return 0;
- }
-
/* Initialise private data, routing, sequence number */
err = scarlett2_init_private(mixer, info);
if (err < 0)
@@ -2073,3 +2046,51 @@ int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer)

return 0;
}
+
+int snd_scarlett_gen2_init(struct usb_mixer_interface *mixer)
+{
+ struct snd_usb_audio *chip = mixer->chip;
+ const struct scarlett2_device_info *info;
+ int err;
+
+ /* only use UAC_VERSION_2 */
+ if (!mixer->protocol)
+ return 0;
+
+ switch (chip->usb_id) {
+ case USB_ID(0x1235, 0x8203):
+ info = &s6i6_gen2_info;
+ break;
+ case USB_ID(0x1235, 0x8204):
+ info = &s18i8_gen2_info;
+ break;
+ case USB_ID(0x1235, 0x8201):
+ info = &s18i20_gen2_info;
+ break;
+ default: /* device not (yet) supported */
+ return -EINVAL;
+ }
+
+ if (!(chip->setup & SCARLETT2_ENABLE)) {
+ usb_audio_info(chip,
+ "Focusrite Scarlett Gen 2 Mixer Driver disabled; "
+ "use options snd_usb_audio vid=0x%04x pid=0x%04x "
+ "device_setup=1 to enable and report any issues "
+ "to g@b4.vu",
+ USB_ID_VENDOR(chip->usb_id),
+ USB_ID_PRODUCT(chip->usb_id));
+ return 0;
+ }
+
+ usb_audio_info(chip,
+ "Focusrite Scarlett Gen 2 Mixer Driver enabled pid=0x%04x",
+ USB_ID_PRODUCT(chip->usb_id));
+
+ err = snd_scarlett_gen2_controls_create(mixer, info);
+ if (err < 0)
+ usb_audio_err(mixer->chip,
+ "Error initialising Scarlett Mixer Driver: %d",
+ err);
+
+ return err;
+}
diff --git a/sound/usb/mixer_scarlett_gen2.h b/sound/usb/mixer_scarlett_gen2.h
index 52e1dad77afd..668c6b0cb50a 100644
--- a/sound/usb/mixer_scarlett_gen2.h
+++ b/sound/usb/mixer_scarlett_gen2.h
@@ -2,6 +2,6 @@
#ifndef __USB_MIXER_SCARLETT_GEN2_H
#define __USB_MIXER_SCARLETT_GEN2_H

-int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer);
+int snd_scarlett_gen2_init(struct usb_mixer_interface *mixer);

#endif /* __USB_MIXER_SCARLETT_GEN2_H */
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index f4a0d72246cb..47f57f5829d3 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -862,7 +862,7 @@ static int get_maxfds(void)
struct rlimit rlim;

if (getrlimit(RLIMIT_NOFILE, &rlim) == 0)
- return min((int)rlim.rlim_max / 2, 512);
+ return min(rlim.rlim_max / 2, (rlim_t)512);

return 512;
}
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 04217e8f535a..01acf3ea7619 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -91,6 +91,11 @@
from __future__ import print_function

import sys
+# Only change warnings if the python -W option was not used
+if not sys.warnoptions:
+ import warnings
+ # PySide2 causes deprecation warnings, ignore them.
+ warnings.filterwarnings("ignore", category=DeprecationWarning)
import argparse
import weakref
import threading
@@ -122,8 +127,9 @@ if pyside_version_1:
from PySide.QtGui import *
from PySide.QtSql import *

-from decimal import *
-from ctypes import *
+from decimal import Decimal, ROUND_HALF_UP
+from ctypes import CDLL, Structure, create_string_buffer, addressof, sizeof, \
+ c_void_p, c_bool, c_byte, c_char, c_int, c_uint, c_longlong, c_ulonglong
from multiprocessing import Process, Array, Value, Event

# xrange is range in Python3
@@ -2495,7 +2501,7 @@ def CopyTableCellsToClipboard(view, as_csv=False, with_hdr=False):
if with_hdr:
model = indexes[0].model()
for col in range(min_col, max_col + 1):
- val = model.headerData(col, Qt.Horizontal)
+ val = model.headerData(col, Qt.Horizontal, Qt.DisplayRole)
if as_csv:
text += sep + ToCSValue(val)
sep = ","
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 7f53b63088b2..eab7e8ef6789 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1090,6 +1090,8 @@ static bool intel_pt_fup_event(struct intel_pt_decoder *decoder)
decoder->set_fup_tx_flags = false;
decoder->tx_flags = decoder->fup_tx_flags;
decoder->state.type = INTEL_PT_TRANSACTION;
+ if (decoder->fup_tx_flags & INTEL_PT_ABORT_TX)
+ decoder->state.type |= INTEL_PT_BRANCH;
decoder->state.from_ip = decoder->ip;
decoder->state.to_ip = 0;
decoder->state.flags = decoder->fup_tx_flags;
@@ -1164,8 +1166,10 @@ static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
return 0;
if (err == -EAGAIN ||
intel_pt_fup_with_nlip(decoder, &intel_pt_insn, ip, err)) {
+ bool no_tip = decoder->pkt_state != INTEL_PT_STATE_FUP;
+
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
- if (intel_pt_fup_event(decoder))
+ if (intel_pt_fup_event(decoder) && no_tip)
return 0;
return -EAGAIN;
}
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index d0e0ce11faf5..9b7cc5f909b0 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -602,8 +602,10 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,

*ip += intel_pt_insn->length;

- if (to_ip && *ip == to_ip)
+ if (to_ip && *ip == to_ip) {
+ intel_pt_insn->length = 0;
goto out_no_cache;
+ }

if (*ip >= al.map->end)
break;
@@ -991,6 +993,7 @@ static void intel_pt_set_pid_tid_cpu(struct intel_pt *pt,

static void intel_pt_sample_flags(struct intel_pt_queue *ptq)
{
+ ptq->insn_len = 0;
if (ptq->state->flags & INTEL_PT_ABORT_TX) {
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT;
} else if (ptq->state->flags & INTEL_PT_ASYNC) {
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 0bb80619db58..f270b6abd64c 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -11,22 +11,24 @@ LDLIBS += $(MOUNT_LDLIBS)

TEST_PROGS := gpio-mockup.sh
TEST_FILES := gpio-mockup-sysfs.sh
-TEST_PROGS_EXTENDED := gpio-mockup-chardev
+TEST_GEN_PROGS_EXTENDED := gpio-mockup-chardev

-GPIODIR := $(realpath ../../../gpio)
-GPIOOBJ := gpio-utils.o
+KSFT_KHDR_INSTALL := 1
+include ../lib.mk

-all: $(TEST_PROGS_EXTENDED)
+GPIODIR := $(realpath ../../../gpio)
+GPIOOUT := $(OUTPUT)/tools-gpio/
+GPIOOBJ := $(GPIOOUT)/gpio-utils.o

override define CLEAN
- $(RM) $(TEST_PROGS_EXTENDED)
- $(MAKE) -C $(GPIODIR) OUTPUT=$(GPIODIR)/ clean
+ $(RM) $(TEST_GEN_PROGS_EXTENDED)
+ $(RM) -rf $(GPIOOUT)
endef

-KSFT_KHDR_INSTALL := 1
-include ../lib.mk
+$(TEST_GEN_PROGS_EXTENDED): $(GPIOOBJ)

-$(TEST_PROGS_EXTENDED): $(GPIODIR)/$(GPIOOBJ)
+$(GPIOOUT):
+ mkdir -p $@

-$(GPIODIR)/$(GPIOOBJ):
- $(MAKE) OUTPUT=$(GPIODIR)/ -C $(GPIODIR)
+$(GPIOOBJ): $(GPIOOUT)
+ $(MAKE) OUTPUT=$(GPIOOUT) -C $(GPIODIR)