From: "Alice Ferrazzi" <alicef@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:5.4 commit in: /
Date: Thu, 3 Jun 2021 10:28:05 +0000 (UTC) [thread overview]
Message-ID: <1622716070.1bbb1bf221f7133095bec9f5d2932bf4f6db116b.alicef@gentoo> (raw)
commit: 1bbb1bf221f7133095bec9f5d2932bf4f6db116b
Author: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Thu Jun 3 10:27:42 2021 +0000
Commit: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Thu Jun 3 10:27:50 2021 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=1bbb1bf2
Linux patch 5.4.124
Signed-off-by: Alice Ferrazzi <alicef <AT> gentoo.org>
0000_README | 4 +
1123_linux-5.4.124.patch | 5657 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 5661 insertions(+)
diff --git a/0000_README b/0000_README
index 873f773..f6d1278 100644
--- a/0000_README
+++ b/0000_README
@@ -535,6 +535,10 @@ Patch: 1122_linux-5.4.123.patch
From: http://www.kernel.org
Desc: Linux 5.4.123
+Patch: 1123_linux-5.4.124.patch
+From: http://www.kernel.org
+Desc: Linux 5.4.124
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1123_linux-5.4.124.patch b/1123_linux-5.4.124.patch
new file mode 100644
index 0000000..5c39808
--- /dev/null
+++ b/1123_linux-5.4.124.patch
@@ -0,0 +1,5657 @@
+diff --git a/Documentation/userspace-api/seccomp_filter.rst b/Documentation/userspace-api/seccomp_filter.rst
+index bd9165241b6c8..6efb41cc80725 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 d3f7a032f080b..22668742d3d04 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 c67dfe1f49971..ec35aedc7727d 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 59b23095bfbb4..4e38a905ab386 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 0000000000000..7538294721bed
+--- /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 f69609b47fef8..d390ab5e51d3f 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 806ca02c52d71..62026607f3f8b 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 a4d3239d25944..4ab3fcd9b9ba6 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 3b3fc9a426e91..765f9a6c46401 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+@@ -3704,7 +3704,6 @@ out:
+ 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 fd94a17fb2c6d..46522804c7d84 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+@@ -289,10 +289,13 @@ out:
+ 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 91e3a87b1de83..58e14d3040f03 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 4f0f0de832937..1bb0f3c0978a8 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 cd2cbe760e883..82327ee96f953 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 9d778a0b2c5e2..4c9a1633b02a7 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 40041c61a100e..6b03267021eac 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 c2fccf97f7a42..abc8c42b8b0c1 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 86d0961112773..61a6536e7e61a 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 2b6a4c1f188f4..a959062ded4f8 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 c98ef4c4a0c9e..d6322698b2458 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 d5dd58c27ce5f..0dc2494f1a37b 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 306bf15023a78..fa808f9c0d9af 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 @@ error_remove_trigger:
+ 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 0d132708c4295..0f6c1be1cda2c 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 6ed6d14102016..947d6c7772344 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 89d2bb2282eac..958cf8b6002ca 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 1b9795743276d..24616525c90dc 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 008a74a1ed444..1f89378b56231 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 f4cb297668884..3cf0c6f5a1dca 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 add7d4ce41802..e902aae685af9 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 655db8272268d..9767159aeb9b2 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 a4f7431486f31..d93d384286c16 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 bfa3b381d8a26..bf1af6ed9131e 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 d680b777f097f..8fd99ceee4b67 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 5c183c02dfd92..8d18f19c99c4b 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 1b0c99883c57b..c008eecfdfe8d 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 c70a8c74cc57a..a70d989032c19 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 40b079162804f..0f2bee59a82b0 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 00d680cb44418..071e5015bf91d 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 3b51e87a3714a..034f1b50ab287 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 fbc196b480b63..c3f67d8e10933 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 106f2b2ce17f0..0dba28bb309a2 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 e338272931d14..94e87e7f277bb 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 7f3b2e3b0868e..d0c77ff9dbb11 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 370d76822ee07..929da9e9fe9af 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 64a2453e06ba1..ccb28182f745b 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 f16853c3c851a..c813e6f2b371e 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 dcf21a36a9cf4..011604787b8ed 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 fd7fc6f20c9da..b1856552ab813 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 1eca0fdb99334..b8fc9bbeca2c7 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 9b7a8db9860fc..6ea0975d74a1f 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 d0244feb03011..b653197b34d10 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 5f2948bafff21..e64e175162068 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 537dfff585e0d..47a920128760e 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 4e44a39267eb3..6ece99e6b6dde 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 7e3806fd70b21..48b395b9c15ad 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 1e9202b34d352..c0b2768b480f8 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 5582fba2f5823..426786a349c3c 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 605c079d48417..b0837ad94da65 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 ba6ac31a339dc..256a06b3c096b 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 6495c26d95969..fe7342e8a043b 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 5d20d615663e7..bdc7f915d80e3 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 e102e1560ac79..7dc451fdaf35e 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 4bbdc53eaf3f3..dfa0ded169ee9 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 709d20d9938fb..bd525e8eda10c 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 @@ exit:
+ 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 @@ exit:
+ 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 @@ exit:
+ 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 @@ exit:
+ 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 332183280a459..612a43233b18b 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 85eaccbbbac1c..44fe2adf0ee0c 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 eb1c6b03c329a..df26cea459048 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 7cc09a6f9f9ae..6869c5c74b9f7 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 1b2702f744552..4154c48d1ddf6 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 78f0f2d59e227..a3691bc94b101 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 346e44115c4e0..24a82d51fe60d 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 8327382aa5689..088c737316526 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 b6128ae7f14f3..1e2f57ed1ef75 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 02de9480d3f06..22450c4a92251 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 9556d431885f5..d0ae0df34e132 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 bd5fa4dbab9c0..2637e188954d7 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 04095f91d3014..760d24a28f392 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 dec1582005b94..13a1cae6b51b0 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 54337d60f288b..085a134069f79 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 fc12598b2dd3f..c492d2d2db1df 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 623c0168da79c..8b27494a5d3dc 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 e9bb8dbdc9aa8..edb79e9665dc3 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 cb68f54a9c56e..bda042138e967 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 d026401d20010..8e6c227e8315c 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 575ed19e91951..3b897f040371c 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 2747c957d18c9..050fd403110ed 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 12c31fd5d5ae2..0753ef18e7211 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 799cbe2ffcf36..8c0867bda8280 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 fa97834fdb78e..ccb44f2eb2407 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 7ed1189a7200c..515c66ca1aecb 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 3645d1720c4b5..9628e0f3add3f 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 c25e8a54e8690..6e988233fb81f 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 6182cc8a0344a..e081ad47d1cf4 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 7c86fd248129a..f751a12f92ea0 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 c7560d7d16276..40dccc580e866 100644
+--- a/drivers/spi/spi-fsl-dspi.c
++++ b/drivers/spi/spi-fsl-dspi.c
+@@ -1142,11 +1142,13 @@ poll_mode:
+ 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 6f3d64a1a2b3e..01b53d816497c 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 @@ spi_geni_probe_free_irq:
+ 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 a6c893ddbf280..cc4c18c3fb36d 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 21527d84f9408..004f123bb0708 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 75484d6c5056a..c313c4f0e8563 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 ddb4a973c6986..691931fdc1195 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 847dd07a7b172..de219953c8b37 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 8814ff38aa67b..51346ca91c45c 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 8434bd5a8ec78..5bf8dd6198bbd 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 5690c09cc0417..944a4c0105795 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 51c3f579ccd02..2007a40feef9d 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 e2ab6524119a5..fa3bd8a97b244 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 7d1529b11ae9c..de86e9021a8ff 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 35e89460b9ca8..d037deb958841 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 a97dd1ba964ee..a8f23f8bc6efd 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 6145311a3855f..ecd83526f26fe 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 33703140233aa..08a93cf68efff 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 a3dfc77578ea1..26baba3ab7d73 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 b5d6616442635..748139d262633 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 c00e4177651a8..7c0181ae44e9c 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 3d47c6d72256e..d854e04a4286e 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 5c167bc089a08..25d8fb3a7395f 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 e290b250f45cc..9600cee957697 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 a897680473a78..3e5442573fe4e 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 b1449d4914cca..acc115d20f812 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 95205bde240f7..eca3abc1a7cd9 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 de53e51669976..54647eb9c6ed2 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 81d9c4ea0e8f3..e068f82ffeddf 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 c9b605f6c9cb2..98b74cdabb99a 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 6b31cb5f9c9db..7c73097b2f4e5 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 304ab4cdaa8c1..ff54ba3c82477 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 f4407dd426bf0..e3b85bfcfc7dc 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 7e8c18218e68f..1b512df1003f9 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 653c2d8aa1cd7..35114624fb036 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 68782ba8b6e8d..69b9ccbe1ad0f 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 cee1c084e9f40..b16f9236de147 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 b2ceec7b280d4..0852f3e51360a 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 4137fa1787903..a0728f24ecc53 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 07cfa3249f83a..0a2d78e811cf5 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 a30878346f54b..e226f266da9e0 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 7fbb274b7fe32..108bcf6000529 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 6635b83113f8f..472a615775f32 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 19c178aac0ae8..68f84fac63e0b 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 be0b4ed3b7d89..40eddec48f26e 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 06f8874d53eea..75b4cd4bcafb9 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 c875c9b6edbe9..7d0a6a7c9d283 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 c8cf1bbad74a2..45ee1971d9986 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 268f1d8f440ba..a7933279a80b7 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 6089b09ec13b6..6f576306a4d74 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 efc1acc6543c9..fff7efc5b9713 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 d6d6e89cf7dd2..c463938bec99e 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 1a15e7bae106a..3d7a5c5e586a6 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, ðhdr,
+ 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 4a23996dce044..82a1dd7b7d689 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 be1d9dfa760d4..2eb73be9b9865 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 91bf32af55e9a..bca47fad5a162 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 541eea74ef7a6..c37e09223cbb4 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 2b88710994d71..76ed1a05ded27 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 6e6147a81bc3a..9bc5cbe9809b8 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 @@ 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 e89e918b88e09..2fff79db1a59c 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 e3d79f8b69d81..90cf7e0bbaf0f 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 e119c4a88d63e..c6bda91f85810 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 46e89c992c2dc..e4ea942873d49 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 b2c36dcfc8e2f..cdade990fe445 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 8f0977a9d423c..1fb0535e2eb47 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 0d524ef0d8c80..cdb65aa54be70 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 9abafd76ec50e..82244e2fc1f54 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 af6b4d89d6952..39911a637e802 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 0768bbf8fd713..679f9f48370ff 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 d02c49e1686b6..b9fa2ee0a40cb 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 6042194d95d3e..8894369e329af 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 dcd2acb2c3cef..5faf8877137ae 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 7fb34422a2a4b..8f70dee958786 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 2040fecea17b3..5251818e10d33 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 74c00c905d245..7a10c9e22c46c 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 52e1dad77afd4..668c6b0cb50a6 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 f4a0d72246cb7..47f57f5829d3a 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 04217e8f535aa..01acf3ea7619d 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 7f53b63088b2c..eab7e8ef67899 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 d0e0ce11faf58..9b7cc5f909b07 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 0bb80619db580..f270b6abd64c5 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)
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