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4d66d841a72557053fa44f9b6ebf09cf78223ed3
Analyze and fix the following issue in the Linux kernel code: drm/display: Make DisplayPort AUX Chardev Kconfig name consistent
Problem Details: While most display helpers Kconfig symbols have the DRM_DISPLAY prefix, the DisplayPort-AUX chardev interface uses DRM_DP_AUX_CHARDEV. Since the number of users is limited and it's a selected symbol, we can easily rename it to make it consistent. Reviewed-by: Jani Nikula <jani.nikula@intel.com> Revie...
```diff diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index 0d350e9db807..038be9795581 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -50,7 +50,7 @@ config DRM_DISPLAY_HDMI_HELPER help DRM display helpers for HDMI. -config DRM_DP_AUX_CHARDE...
f6c74543dc05fb5a050791a70b06469dc6fd37c2
Analyze and fix the following issue in the Linux kernel code: drm/display: Make DisplayPort tunnel debug Kconfig name consistent
Problem Details: While most display helpers Kconfig symbols have the DRM_DISPLAY prefix, the DisplayPort Tunnel debugging uses DRM_DISPLAY_DEBUG_DP_TUNNEL_STATE. Since the number of users is limited and it's a selected symbol, we can easily rename it to make it consistent. Reviewed-by: Jani Nikula <jani.nikula@intel....
```diff diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig index 843d74db1dce..0d350e9db807 100644 --- a/drivers/gpu/drm/display/Kconfig +++ b/drivers/gpu/drm/display/Kconfig @@ -25,7 +25,7 @@ config DRM_DISPLAY_DP_TUNNEL DP tunnel features like the Bandwidth Allocation mode to maximize ...
671b6c9e763139f435e09a824a6096169730c467
Analyze and fix the following issue in the Linux kernel code: drm/display: Make DisplayPort AUX bus Kconfig name consistent
Problem Details: While most display helpers Kconfig symbols have the DRM_DISPLAY prefix, the DisplayPort AUX bus implementation uses DRM_DP_AUX_BUS. Since the number of users is limited and it's a selected symbol, we can easily rename it to make it consistent. Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed...
```diff diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index efd996f6c138..703c3e30885b 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -96,7 +96,7 @@ config DRM_ITE_IT6505 select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HDCP_HELPER select DRM_DISP...
aba2a144c0bf1ecdcbc520525712fb661392e509
Analyze and fix the following issue in the Linux kernel code: drm/qxl: remove unused variable from `qxl_process_single_command()`
Problem Details: Clang 14 in an (essentially) defconfig loongarch64 build for next-20240327 reports [1]: drivers/gpu/drm/qxl/qxl_ioctl.c:148:14: error: variable 'num_relocs' set but not used [-Werror,-Wunused-but-set-variable] The variable was originally used in the `out_free_bos` label, but commit 74d9a633...
```diff diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index dd0f834d881c..506ae1f5e099 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -145,7 +145,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, struct qxl_release *release; s...
7cd78fd7e29644641b848d69a585f2aea45f0991
Analyze and fix the following issue in the Linux kernel code: drm/qxl: remove unused `count` variable from `qxl_surface_id_alloc()`
Problem Details: Clang 14 in an (essentially) defconfig loongarch64 build for next-20240326 reports [1]: drivers/gpu/drm/qxl/qxl_cmd.c:424:6: error: variable 'count' set but not used [-Werror,-Wunused-but-set-variable] The variable is already unused in the version that got into the tree. Thus remove the unus...
```diff diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index 281edab518cd..d6ea01f3797b 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -421,7 +421,6 @@ int qxl_surface_id_alloc(struct qxl_device *qdev, { uint32_t handle; int idr_ret; - int count = 0; ...
9a7bb61ffe467034571959ce90509158d4bd00bd
Analyze and fix the following issue in the Linux kernel code: staging: fbtft: Remove reference to fb_blank
Problem Details: The field fb_blank in struct backlight_properties is deprecated and should not be used. Don't output its value in the driver's debug print. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/20240319093915.31778-...
```diff diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c index 72172e870007..ca2cba2185ae 100644 --- a/drivers/staging/fbtft/fb_ssd1351.c +++ b/drivers/staging/fbtft/fb_ssd1351.c @@ -194,9 +194,7 @@ static int update_onboard_backlight(struct backlight_device *bd) struct fbtft_par *...
e755554568fbe638bb69f0faffb116436ec28af2
Analyze and fix the following issue in the Linux kernel code: hid: hid-picolcd: Fix initialization order
Problem Details: For drivers that support backlight, LCD and fbdev devices, fbdev has to be initialized last. See documentation for struct fbinfo.bl_dev. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Bruno Prémont <bonbons@linux-vserver.org> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link:...
```diff diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c index bbda231a7ce3..5ddebe25eb91 100644 --- a/drivers/hid/hid-picolcd_core.c +++ b/drivers/hid/hid-picolcd_core.c @@ -474,11 +474,6 @@ static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data) if (error) got...
4628b804555773daa982d9578d89fe04fcdde374
Analyze and fix the following issue in the Linux kernel code: regulator: axp20x: fix typo-ed identifier
Problem Details: The registers to set the X-Powers AXP313 regulators are of course "CONTROL" registers, not "CONRTOL" ones. Fix the typo in the header file and in its users. No functional change. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Tested-by: Ryan...
```diff diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index c657820b0bbb..7bcc2d508b65 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -733,21 +733,21 @@ static const struct linear_range axp313a_dcdc3_ranges[] = { static const s...
4494c10e007121de6d3fbef909d38b4a64087239
Analyze and fix the following issue in the Linux kernel code: net: bcmasp: Remove phy_{suspend/resume}
Problem Details: phy_{suspend/resume} is redundant. It gets called from phy_{stop/start}. Fixes: 490cb412007d ("net: bcmasp: Add support for ASP2.0 Ethernet controller") Signed-off-by: Justin Chen <justin.chen@broadcom.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
```diff diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c index 34e5156762a8..72ea97c5d5d4 100644 --- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c @@ -1044,10 +1044,6 @@ static int bcmasp_netif_in...
dfd222e2aef68818320a57b13a1c52a44c22bc80
Analyze and fix the following issue in the Linux kernel code: net: bcmasp: Bring up unimac after PHY link up
Problem Details: The unimac requires the PHY RX clk during reset or it may be put into a bad state. Bring up the unimac after link up to ensure the PHY RX clk exists. Fixes: 490cb412007d ("net: bcmasp: Add support for ASP2.0 Ethernet controller") Signed-off-by: Justin Chen <justin.chen@broadcom.com> Signed-off-by: Pao...
```diff diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c index dd06b68b33ed..34e5156762a8 100644 --- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c @@ -392,7 +392,9 @@ static void umac_reset(struct...
368a90e651faeeb7049a876599cf2b0d74954796
Analyze and fix the following issue in the Linux kernel code: pinctrl/meson: fix typo in PDM's pin name
Problem Details: Other pins have _a or _x suffix, but this one doesn't have any. Most likely this is a typo. Fixes: dabad1ff8561 ("pinctrl: meson: add pinctrl driver support for Meson-A1 SoC") Signed-off-by: Jan Dakinevich <jan.dakinevich@salutedevices.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Messa...
```diff diff --git a/drivers/pinctrl/meson/pinctrl-meson-a1.c b/drivers/pinctrl/meson/pinctrl-meson-a1.c index 79f5d753d7e1..50a87d9618a8 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-a1.c +++ b/drivers/pinctrl/meson/pinctrl-meson-a1.c @@ -250,7 +250,7 @@ static const unsigned int pdm_dclk_x_pins[] = { GPIOX_10 }; ...
6a4aee277740d04ac0fd54cfa17cc28261932ddc
Analyze and fix the following issue in the Linux kernel code: net: phy: qcom: at803x: fix kernel panic with at8031_probe
Problem Details: On reworking and splitting the at803x driver, in splitting function of at803x PHYs it was added a NULL dereference bug where priv is referenced before it's actually allocated and then is tried to write to for the is_1000basex and is_fiber variables in the case of at8031, writing on the wrong address. ...
```diff diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c index 4717c59d51d0..e79657f76bea 100644 --- a/drivers/net/phy/qcom/at803x.c +++ b/drivers/net/phy/qcom/at803x.c @@ -797,7 +797,7 @@ static int at8031_parse_dt(struct phy_device *phydev) static int at8031_probe(struct phy_device *phyde...
c10cd03d69403fa0f00be8631bd4cb4690440ebd
Analyze and fix the following issue in the Linux kernel code: pinctrl: pinctrl-aspeed-g6: Fix register offset for pinconf of GPIOR-T
Problem Details: The register offset to disable the internal pull-down of GPIOR~T is 0x630 instead of 0x620, as specified in the Ast2600 datasheet v15 The datasheet can download from the official Aspeed website. Fixes: 15711ba6ff19 ("pinctrl: aspeed-g6: Add AST2600 pinconf support") Reported-by: Delphine CC Chiu <Delp...
```diff diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c index d376fa7114d1..029efe16f8cc 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c @@ -43,7 +43,7 @@ #define SCU614 0x614 /* Disable GPIO Internal Pull-Do...
842ecb5fcf8de17dfde11d4ec5f41930f0076887
Analyze and fix the following issue in the Linux kernel code: dt-bindings: pinctrl: qcom: update functions to match with driver
Problem Details: Some functions were consolidated in the SM4450 pinctrl driver, but they had not been updated in the binding file before the previous SM4450 pinctrl patch series was merged. Update functions in this binding file to match with SM4450 pinctrl driver. Some functions need to be consolidated and some functio...
```diff diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm4450-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm4450-tlmm.yaml index bb675c8ec220..1b941b276b3f 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm4450-tlmm.yaml +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm4450...
7ee7dd6f301341d5b1204fc19fa620d7f7f7e90d
Analyze and fix the following issue in the Linux kernel code: drm/xe: Move vma rebinding to the drm_exec locking loop
Problem Details: Rebinding might allocate page-table bos, causing evictions. To support blocking locking during these evictions, perform the rebinding in the drm_exec locking loop. Also Reserve fence slots where actually needed rather than trying to predict how many fence slots will be needed over a complete wound-wai...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c index b7e26e8e6472..97eeb973e897 100644 --- a/drivers/gpu/drm/xe/xe_exec.c +++ b/drivers/gpu/drm/xe/xe_exec.c @@ -94,48 +94,16 @@ * Unlock all */ +/* + * Add validation and rebinding to the drm_exec locking loop, since both can + * t...
0453f1757501df2e82b66b3183a24bba5a6f8fa3
Analyze and fix the following issue in the Linux kernel code: drm/xe: Make TLB invalidation fences unordered
Problem Details: They can actually complete out-of-order, so allocate a unique fence context for each fence. Fixes: 5387e865d90e ("drm/xe: Add TLB invalidation fence after rebinds issued from execs") Cc: Matthew Brost <matthew.brost@intel.com> Cc: <stable@vger.kernel.org> # v6.8+ Signed-off-by: Thomas Hellström <thoma...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c index 25b4111097bc..93df2d7969b3 100644 --- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c +++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c @@ -63,7 +63,6 @@ int xe_gt_tlb_invalidation_init(struct xe_gt *gt) ...
5a091aff50b780ae29c7faf70a7a6c21c98a54c4
Analyze and fix the following issue in the Linux kernel code: drm/xe: Rework rebinding
Problem Details: Instead of handling the vm's rebind fence separately, which is error prone if they are not strictly ordered, attach rebind fences as kernel fences to the vm's resv. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Matthew Brost <ma...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c index 9d53ef8c49cc..b7e26e8e6472 100644 --- a/drivers/gpu/drm/xe/xe_exec.c +++ b/drivers/gpu/drm/xe/xe_exec.c @@ -152,7 +152,6 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file) struct drm_exec *exec = &vm_ex...
4fc4899e86f7afbd09f4bcb899f0fc57e0296e62
Analyze and fix the following issue in the Linux kernel code: drm/xe: Use ring ops TLB invalidation for rebinds
Problem Details: For each rebind we insert a GuC TLB invalidation and add a corresponding unordered TLB invalidation fence. This might add a huge number of TLB invalidation fences to wait for so rather than doing that, defer the TLB invalidation to the next ring ops for each affected exec queue. Since the TLB is invali...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h index 9cc689f50db0..ee78d497d838 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue_types.h +++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h @@ -146,6 +146,11 @@ struct xe_exec_queue { const struct xe_ring_ops *ring_ops;...
9140ce47872bfd89fca888c2f992faa51d20c2bc
Analyze and fix the following issue in the Linux kernel code: idma64: Don't try to serve interrupts when device is powered off
Problem Details: When iDMA 64-bit device is powered off, the IRQ status register is all 1:s. This is never happen in real case and signalling that the device is simply powered off. Don't try to serve interrupts that are not ours. Fixes: 667dfed98615 ("dmaengine: add a driver for Intel integrated DMA 64-bit") Reported-...
```diff diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 78a938969d7d..1398814d8fbb 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -171,6 +171,10 @@ static irqreturn_t idma64_irq(int irq, void *dev) u32 status_err; unsigned short i; + /* Since IRQ may be shared, check if DMA control...
30f0ced9971b2d8c8c24ae75786f9079489a012d
Analyze and fix the following issue in the Linux kernel code: dmaengine: tegra186: Fix residual calculation
Problem Details: The existing residual calculation returns an incorrect value when bytes_xfer == bytes_req. This scenario occurs particularly with drivers like UART where DMA is scheduled for maximum number of bytes and is terminated when the bytes inflow stops. At higher baud rates, it could request the tx_status whil...
```diff diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c index 88547a23825b..3642508e88bb 100644 --- a/drivers/dma/tegra186-gpc-dma.c +++ b/drivers/dma/tegra186-gpc-dma.c @@ -746,6 +746,9 @@ static int tegra_dma_get_residual(struct tegra_dma_channel *tdc) bytes_xfer = dma_desc->bytes_xfer ...
43c633ef93a5d293c96ebcedb40130df13128428
Analyze and fix the following issue in the Linux kernel code: dmaengine: owl: fix register access functions
Problem Details: When building with 'make W=1', clang notices that the computed register values are never actually written back but instead the wrong variable is set: drivers/dma/owl-dma.c:244:6: error: variable 'regval' set but not used [-Werror,-Wunused-but-set-variable] 244 | u32 regval; | ...
```diff diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 4e76c4ec2d39..e001f4f7aa64 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -250,7 +250,7 @@ static void pchan_update(struct owl_dma_pchan *pchan, u32 reg, else regval &= ~val; - writel(val, pchan->base + reg); + writel(reg...
afc89870ea677bd5a44516eb981f7a259b74280c
Analyze and fix the following issue in the Linux kernel code: dmaengine: Revert "dmaengine: pl330: issue_pending waits until WFP state"
Problem Details: This reverts commit 22a9d9585812 ("dmaengine: pl330: issue_pending waits until WFP state") as it seems to cause regression in pl330 driver. Note the issue now exists in mainline so a fix to be done. Cc: stable@vger.kernel.org Reported-by: karthikeyan <karthikeyan@linumiz.com> Signed-off-by: Vinod Koul...
```diff diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 5f6d7f1e095f..ad8e3da1b2cd 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1053,9 +1053,6 @@ static bool _trigger(struct pl330_thread *thrd) thrd->req_running = idx; - if (desc->rqtype == DMA_MEM_TO_DEV || desc->rqtype == DMA_DEV_...
2ab9fd540e360e1c2e61299917f3d99e6d2e2e0e
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6: fix IRQ config of RC5T619
Problem Details: Set interrupt type to level low to correctly describe the hardware and do not rely on the driver to do the right thing. Signed-off-by: Andreas Kemnade <andreas@kemnade.info> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm/boot/dts/nxp/imx/e60k02.dtsi b/arch/arm/boot/dts/nxp/imx/e60k02.dtsi index dd03e3860f97..13756d39fb7b 100644 --- a/arch/arm/boot/dts/nxp/imx/e60k02.dtsi +++ b/arch/arm/boot/dts/nxp/imx/e60k02.dtsi @@ -127,7 +127,7 @@ compatible = "ricoh,rc5t619"; reg = <0x32>; interrupt-parent = <...
5bd46f739a4de1fe16e4b3c2d03045996b512bd0
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6sl: tolino-shine2hd: fix IRQ config of touchscreen
Problem Details: Correctly describe the interrupt as level low. Driver enforces that anyways, but do not rely on that in the devicetree. Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Andreas Kemnade <andreas@kemnade.info> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm/boot/dts/nxp/imx/imx6sl-tolino-shine2hd.dts b/arch/arm/boot/dts/nxp/imx/imx6sl-tolino-shine2hd.dts index 5636fb3661e8..1fbe2e6d3e4d 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6sl-tolino-shine2hd.dts +++ b/arch/arm/boot/dts/nxp/imx/imx6sl-tolino-shine2hd.dts @@ -138,7 +138,7 @@ pinctrl-0 ...
197aa825fdc4a3500f8d06518a4975f5461b4b19
Analyze and fix the following issue in the Linux kernel code: drm/i915: add bug.h include to i915_memcpy.c
Problem Details: This is stopping me building here for some reason, /home/airlied/devel/kernel/dim/drm-fixes/drivers/gpu/drm/i915/i915_memcpy.c: In function ‘i915_unaligned_memcpy_from_wc’: /home/airlied/devel/kernel/dim/drm-fixes/drivers/gpu/drm/i915/i915_memcpy.c:33:25: error: implicit declaration of function ‘BUG_O...
```diff diff --git a/drivers/gpu/drm/i915/i915_memcpy.c b/drivers/gpu/drm/i915/i915_memcpy.c index ba82277254b7..783de079ef44 100644 --- a/drivers/gpu/drm/i915/i915_memcpy.c +++ b/drivers/gpu/drm/i915/i915_memcpy.c @@ -25,6 +25,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/cpufeature.h> +#...
c404f55c26fc23c70a9f2262f3f36a69fc46289b
Analyze and fix the following issue in the Linux kernel code: iommu: Validate the PASID in iommu_attach_device_pasid()
Problem Details: The SVA code checks that the PASID is valid for the device when assigning the PASID to the MM, but the normal PAGING related path does not check it. Devices that don't support PASID or PASID values too large for the device should not invoke the driver callback. The drivers should rely on the core code...
```diff diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 098869007c69..a95a483def2d 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -3354,6 +3354,7 @@ int iommu_attach_device_pasid(struct iommu_domain *domain, { /* Caller must be a probed driver on dev */ struct iommu_group *group...
15fba562f7a9f04322b8bfc8f392e04bb93d81be
Analyze and fix the following issue in the Linux kernel code: netfilter: arptables: Select NETFILTER_FAMILY_ARP when building arp_tables.c
Problem Details: syzkaller started to report a warning below [0] after consuming the commit 4654467dc7e1 ("netfilter: arptables: allow xtables-nft only builds"). The change accidentally removed the dependency on NETFILTER_FAMILY_ARP from IP_NF_ARPTABLES. If NF_TABLES_ARP is not enabled on Kconfig, NETFILTER_FAMILY_AR...
```diff diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 8f6e950163a7..1b991b889506 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -329,6 +329,7 @@ config NFT_COMPAT_ARP config IP_NF_ARPFILTER tristate "arptables-legacy packet filtering support" select IP_NF_A...
216e7bf7402caf73f4939a8e0248392e96d7c0da
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: skip netdev hook unregistration if table is dormant
Problem Details: Skip hook unregistration when adding or deleting devices from an existing netdev basechain. Otherwise, commit/abort path try to unregister hooks which not enabled. Fixes: b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain") Fixes: 7d937b107108 ("netfilter: ...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 086d85fffeb1..fd86f2720c9e 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -10212,9 +10212,11 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) if (nft_trans_chain_update(tra...
1e1fb6f00f52812277963365d9bd835b9b0ea4e0
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: reject table flag and netdev basechain updates
Problem Details: netdev basechain updates are stored in the transaction object hook list. When setting on the table dormant flag, it iterates over the existing hooks in the basechain. Thus, skipping the hooks that are being added/deleted in this transaction, which leaves hook registration in inconsistent state. Reject...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index a1a8030e16a5..086d85fffeb1 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -1200,6 +1200,25 @@ static void nf_tables_table_disable(struct net *net, struct nft_table *table) __NFT_TABLE_F_WAS...
b32ca27fa238ff83427d23bef2a5b741e2a88a1e
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: reject destroy command to remove basechain hooks
Problem Details: Report EOPNOTSUPP if NFT_MSG_DESTROYCHAIN is used to delete hooks in an existing netdev basechain, thus, only NFT_MSG_DELCHAIN is allowed. Fixes: 7d937b107108f ("netfilter: nf_tables: support for deleting devices in an existing netdev chain") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 5fa3d3540c93..a1a8030e16a5 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2944,7 +2944,8 @@ static int nf_tables_delchain(struct sk_buff *skb, const struct nfnl_info *info, nft_ctx_init(&ctx, n...
1102f9f85bf66b1a7bd6a40afb40efbbe05dfc05
Analyze and fix the following issue in the Linux kernel code: modpost: do not make find_tosym() return NULL
Problem Details: As mentioned in commit 397586506c3d ("modpost: Add '.ltext' and '.ltext.*' to TEXT_SECTIONS"), modpost can result in a segmentation fault due to a NULL pointer dereference in default_mismatch_handler(). find_tosym() can return the original symbol pointer instead of NULL if a better one is not found. ...
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 6b37039c9e92..2f5b91da5afa 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1007,6 +1007,8 @@ static Elf_Sym *find_fromsym(struct elf_info *elf, Elf_Addr addr, static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, El...
0ff10cb7f81818120b15ddd5d24e09c4af31e04d
Analyze and fix the following issue in the Linux kernel code: scsi: libsas: Fix declaration of ncq priority attributes
Problem Details: Commit b4d3ddd2df75 ("scsi: libsas: Define NCQ Priority sysfs attributes for SATA devices") introduced support for ATA NCQ priority control for ATA devices managed by libsas. This commit introduces the ncq_prio_supported and ncq_prio_enable sysfs device attributes to discover and control the use of thi...
```diff diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index b57c041a5544..4c69fc63c119 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -981,7 +981,8 @@ static ssize_t sas_ncq_prio_supported_show(struct device *device, return sysfs_emit(buf, "%d\n", suppor...
32db469edfcca8f12b85299bb9311b9004c4e1ac
Analyze and fix the following issue in the Linux kernel code: selinux: improve symtab string hashing
Problem Details: The number of buckets is calculated by performing a binary AND against the mask of the hash table, which is one less than its size (which is a power of two). This leads to all top bits being discarded, requiring for short or similar inputs a hash function with a good avalanche effect. Use djb2a: ...
```diff diff --git a/security/selinux/ss/symtab.c b/security/selinux/ss/symtab.c index c04f8d447873..832660fd84a9 100644 --- a/security/selinux/ss/symtab.c +++ b/security/selinux/ss/symtab.c @@ -12,17 +12,17 @@ static unsigned int symhash(const void *key) { - const char *p, *keyp; - unsigned int size; - unsigned in...
0fd0b4fefaf04d62fca874413918cdee78bbe905
Analyze and fix the following issue in the Linux kernel code: selinux: dump statistics for more hash tables
Problem Details: Dump in the SELinux debug configuration the statistics for the conditional rules avtab, the role transition, and class and common permission hash tables. Signed-off-by: Christian Göttsche <cgzones@googlemail.com> [PM: style fixes] Signed-off-by: Paul Moore <paul@paul-moore.com>
```diff diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index f12476855b27..e868fc403d75 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -169,6 +169,9 @@ int cond_init_bool_indexes(struct policydb *p) p->p_bools.nprim, sizeof(*p->bool_val_t...
a1aa5390cc912934fee76ce80af5f940452fa987
Analyze and fix the following issue in the Linux kernel code: of: module: prevent NULL pointer dereference in vsnprintf()
Problem Details: In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprin...
```diff diff --git a/drivers/of/module.c b/drivers/of/module.c index 0e8aa974f0f2..f58e624953a2 100644 --- a/drivers/of/module.c +++ b/drivers/of/module.c @@ -16,6 +16,14 @@ ssize_t of_modalias(const struct device_node *np, char *str, ssize_t len) ssize_t csize; ssize_t tsize; + /* + * Prevent a kernel oops in v...
4b3124de63c6b1b38fc791c279c25e1811ca114d
Analyze and fix the following issue in the Linux kernel code: selinux: update numeric format specifiers for ebitmaps
Problem Details: Use the correct, according to Documentation/core-api/printk-formats.rst, format specifiers for numeric arguments in string formatting. The general bit type is u32 thus use %u, EBITMAP_SIZE is a constant computed via sizeof() thus use %zu. Fixes: 0142c56682fb ("selinux: reject invalid ebitmaps") Report...
```diff diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c index f1ba333f127d..e515ad040ea2 100644 --- a/security/selinux/ss/ebitmap.c +++ b/security/selinux/ss/ebitmap.c @@ -381,7 +381,7 @@ int ebitmap_read(struct ebitmap *e, void *fp) if (mapunit != BITS_PER_U64) { pr_err("SELinux: ebit...
861e8086029e003305750b4126ecd6617465f5c7
Analyze and fix the following issue in the Linux kernel code: e1000e: move force SMBUS from enable ulp function to avoid PHY loss issue
Problem Details: Forcing SMBUS inside the ULP enabling flow leads to sporadic PHY loss on some systems. It is suspected to be caused by initiating PHY transactions before the interface settles. Separating this configuration from the ULP enabling flow and moving it to the shutdown function allows enough time for the in...
```diff diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index d8e97669f31b..f9e94be36e97 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1165,25 +1165,6 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *h...
6dbdd4de0362c37e54e8b049781402e5a409e7d0
Analyze and fix the following issue in the Linux kernel code: e1000e: Workaround for sporadic MDI error on Meteor Lake systems
Problem Details: On some Meteor Lake systems accessing the PHY via the MDIO interface may result in an MDI error. This issue happens sporadically and in most cases a second access to the PHY via the MDIO interface results in success. As a workaround, introduce a retry counter which is set to 3 on Meteor Lake systems. ...
```diff diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h index 1fef6bb5a5fb..4b6e7536170a 100644 --- a/drivers/net/ethernet/intel/e1000e/hw.h +++ b/drivers/net/ethernet/intel/e1000e/hw.h @@ -628,6 +628,7 @@ struct e1000_phy_info { u32 id; u32 reset_delay_us; /* in usec */...
4be9075fec0a639384ed19975634b662bfab938f
Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed
Problem Details: The driver creates /sys/kernel/debug/dri/0/mob_ttm even when the corresponding ttm_resource_manager is not allocated. This leads to a crash when trying to read from this file. Add a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file only when the corresponding ttm_resource_manager is allo...
```diff diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index d3e308fdfd5b..c7d90f96d16a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1444,12 +1444,15 @@ static void vmw_debugfs_resource_managers_init(struct vmw_private *vmw) ...
9186695ef709933eee8fc96a706bcbd6aec1b396
Analyze and fix the following issue in the Linux kernel code: EDAC/device: Remove edac_dev_sysfs_block_attribute::store()
Problem Details: No one uses this store hook (both BLOCK_ATTR() pass NULL). It actually never was since its addition in fd309a9d8e63 ("drivers/edac: fix leaf sysfs attribute") so drop it. Found by https://github.com/jirislaby/clang-struct. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Signed-off-by: Bor...
```diff diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index 0e18729111d4..8c2aa5bcf1b7 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -160,7 +160,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance */ attrib->attr = attrib_...
3667a35a50f4fde8400ab988340a6f84aaebda7b
Analyze and fix the following issue in the Linux kernel code: EDAC/device: Remove edac_dev_sysfs_block_attribute::{block,value}
Problem Details: They're unused. And they were never used since their addition in fd309a9d8e63 ("drivers/edac: fix leaf sysfs attribute") Drop it. Found by https://github.com/jirislaby/clang-struct. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: h...
```diff diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index 0689e1510721..0e18729111d4 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -162,8 +162,6 @@ edac_device_alloc_ctl_info(unsigned pvt_sz, char *dev_name, unsigned nr_instance attrib->show = attrib_spec[attr...
99dc2ef0397d082b63404c01cf841cf80f1418dc
Analyze and fix the following issue in the Linux kernel code: NFSD: CREATE_SESSION must never cache NFS4ERR_DELAY replies
Problem Details: There are one or two cases where CREATE_SESSION returns NFS4ERR_DELAY in order to force the client to wait a bit and try CREATE_SESSION again. However, after commit e4469c6cc69b ("NFSD: Fix the NFSv4.1 CREATE_SESSION operation"), NFSD caches that response in the CREATE_SESSION slot. Thus, when the clie...
```diff diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index ee9aa4843443..5fcd93f7cb8c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3831,15 +3831,20 @@ nfsd4_create_session(struct svc_rqst *rqstp, else cs_slot = &unconf->cl_cs_slot; status = check_slot_seqid(cr_ses->seqid, cs_slot->sl_...
8876a37277cb832e1861c35f8c661825179f73f5
Analyze and fix the following issue in the Linux kernel code: cifs: Fix duplicate fscache cookie warnings
Problem Details: fscache emits a lot of duplicate cookie warnings with cifs because the index key for the fscache cookies does not include everything that the cifs_find_inode() function does. The latter is used with iget5_locked() to distinguish between inodes in the local inode cache. Fix this by adding the creation...
```diff diff --git a/fs/smb/client/fscache.c b/fs/smb/client/fscache.c index c4a3cb736881..340efce8f052 100644 --- a/fs/smb/client/fscache.c +++ b/fs/smb/client/fscache.c @@ -12,6 +12,16 @@ #include "cifs_fs_sb.h" #include "cifsproto.h" +/* + * Key for fscache inode. [!] Contents must match comparisons in cifs_fin...
ecc6a2101840177e57c925c102d2d29f260d37c8
Analyze and fix the following issue in the Linux kernel code: bpf: Protect against int overflow for stack access size
Problem Details: This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int representation. This should not actually happen, as there are other protections along the way, but we should protect against it an...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 0bfc0050db28..353985b2b6a2 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -6701,6 +6701,11 @@ static int check_stack_access_within_bounds( err = check_stack_slot_within_bounds(env, min_off, state, type); if (!err && max_off ...
a8d89feba7e54e691ca7c4efc2a6264fa83f3687
Analyze and fix the following issue in the Linux kernel code: bpf: Check bloom filter map value size
Problem Details: This patch adds a missing check to bloom filter creating, rejecting values above KMALLOC_MAX_SIZE. This brings the bloom map in line with many other map types. The lack of this protection can cause kernel crashes for value sizes that overflow int's. Such a crash was caught by syzkaller. The next patch...
```diff diff --git a/kernel/bpf/bloom_filter.c b/kernel/bpf/bloom_filter.c index addf3dd57b59..35e1ddca74d2 100644 --- a/kernel/bpf/bloom_filter.c +++ b/kernel/bpf/bloom_filter.c @@ -80,6 +80,18 @@ static int bloom_map_get_next_key(struct bpf_map *map, void *key, void *next_key return -EOPNOTSUPP; } +/* Called fro...
498e47cd1d1f3e0a870a29d1b28093e64db52fd2
Analyze and fix the following issue in the Linux kernel code: Fix build errors due to new UIO_MEM_DMA_COHERENT mess
Problem Details: Commit 576882ef5e7f ("uio: introduce UIO_MEM_DMA_COHERENT type") introduced a new use-case for 'struct uio_mem' where the 'mem' field now contains a kernel virtual address when 'memtype' is set to UIO_MEM_DMA_COHERENT. That in turn causes build errors, because 'mem' is of type 'phys_addr_t', and a vir...
```diff diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index bb77de6fa067..009158fef2a8 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -792,7 +792,7 @@ static int uio_mmap_dma_coherent(struct vm_area_struct *vma) */ vma->vm_pgoff = 0; - addr = (void *)mem->addr; + addr = (void *)(uintptr_t)mem->ad...
5b4cdd9c5676559b8a7c944ac5269b914b8c0bb8
Analyze and fix the following issue in the Linux kernel code: Fix memory leak in posix_clock_open()
Problem Details: If the clk ops.open() function returns an error, we don't release the pccontext we allocated for this clock. Re-organize the code slightly to make it all more obvious. Reported-by: Rohit Keshri <rkeshri@redhat.com> Acked-by: Oleg Nesterov <oleg@redhat.com> Fixes: 60c6946675fc ("posix-clock: introduce...
```diff diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 9de66bbbb3d1..4782edcbe7b9 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -129,15 +129,17 @@ static int posix_clock_open(struct inode *inode, struct file *fp) goto out; } pccontext->clk = clk; - fp->privat...
559aebe45a054a479fdbd2a3dfba999ffd73cc9d
Analyze and fix the following issue in the Linux kernel code: ASoC: sun8i-codec: Fix build with CONFIG_SND_JACK_INPUT_DEV disabled
Problem Details: When CONFIG_SND_JACK_INPUT_DEV is disabled, struct snd_jack doesn't have 'type' field. We can't rely on this field being always present, so store the jack_type in the codec driver itself. Signed-off-by: Ondrej Jirman <megi@xff.cz> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.ker...
```diff diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index 43795362fed0..b5dafb749c3f 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -232,6 +232,7 @@ struct sun8i_codec { struct delayed_work jack_work; int jack_irq; int jack_status; + int ...
96b98a6552a90690d7bc18dd71b66312c9ded1fb
Analyze and fix the following issue in the Linux kernel code: bpf: fix warning for crash_kexec
Problem Details: With [1], crash dump specific code is moved out of CONFIG_KEXEC_CORE and placed under CONFIG_CRASH_DUMP, where it is more appropriate. And since CONFIG_KEXEC & !CONFIG_CRASH_DUMP build option is supported with that, it led to the below warning: "WARN: resolve_btfids: unresolved symbol crash_kexec" ...
```diff diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index a89587859571..449b9a5d3fe3 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -2548,7 +2548,7 @@ __bpf_kfunc void bpf_throw(u64 cookie) __bpf_kfunc_end_defs(); BTF_KFUNCS_START(generic_btf_ids) -#ifdef CONFIG_KEXEC_CORE +#ifdef CONF...
403ad17c06509794fdf6e4d4b3070bd5b56e2a8e
Analyze and fix the following issue in the Linux kernel code: ACPI: bus: Indicate support for IRQ ResourceSource thru _OSC
Problem Details: The ACPI IRQ mapping code supports parsing of ResourceSource, but this is not reported thru _OSC. Fix this by setting bit 13 ("Interrupt ResourceSource support") when evaluating _OSC. Fixes: d44fa3d46079 ("ACPI: Add support for ResourceSource/IRQ domain mapping") Signed-off-by: Armin Wolf <W_Armin@gm...
```diff diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 0c48b603098a..a87b10eef77d 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -323,6 +323,7 @@ static void acpi_bus_osc_negotiate_platform_control(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_...
d0d4f1474e36b195eaad477373127ae621334c01
Analyze and fix the following issue in the Linux kernel code: ACPI: Fix Generic Initiator Affinity _OSC bit
Problem Details: The ACPI spec says bit 17 should be used to indicate support for Generic Initiator Affinity Structure in SRAT, but we currently set bit 13 ("Interrupt ResourceSource support"). Fix this by actually setting bit 17 when evaluating _OSC. Fixes: 01aabca2fd54 ("ACPI: Let ACPI know we support Generic Initi...
```diff diff --git a/include/linux/acpi.h b/include/linux/acpi.h index b0d909d1f5fc..e77783e101c3 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -577,8 +577,8 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 #define ...
a8a967a243d71dd635ede076020f665a4df51c63
Analyze and fix the following issue in the Linux kernel code: ACPI: bus: Indicate support for the Generic Event Device thru _OSC
Problem Details: A device driver for the Generic Event Device (ACPI0013) already exists for quite some time, but support for it was never reported thru _OSC. Fix this by setting bit 11 ("Generic Event Device support") when evaluating _OSC. Fixes: 3db80c230da1 ("ACPI: implement Generic Event Device") Signed-off-by: Ar...
```diff diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d5b0e80dc48e..0c48b603098a 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -322,6 +322,7 @@ static void acpi_bus_osc_negotiate_platform_control(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= O...
95d43290f1e476b3be782dd17642e452d0436266
Analyze and fix the following issue in the Linux kernel code: ACPI: bus: Indicate support for _TFP thru _OSC
Problem Details: The ACPI thermal driver already uses the _TPF ACPI method to retrieve precise sampling time values, but this is not reported thru _OSC. Fix this by setting bit 9 ("Fast Thermal Sampling support") when evaluating _OSC. Fixes: a2ee7581afd5 ("ACPI: thermal: Add Thermal fast Sampling Period (_TFP) suppor...
```diff diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d9fa730416f1..9c13a4e43fa8 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -316,6 +316,8 @@ static void acpi_bus_osc_negotiate_platform_control(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PAD_SUPPORT; if (IS_ENABLED(CONFIG_ACPI_PROCESSOR)...
a26de34b3c77ae3a969654d94be49e433c947e3b
Analyze and fix the following issue in the Linux kernel code: thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
Problem Details: The issue occurs when the devfreq cooling device uses the EM power model and the get_real_power() callback is provided by the driver. The EM power table is sorted ascending,can't index the table by cooling device state,so convert cooling state to performance state by dfc->max_state - dfc->capped_state...
```diff diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c index 50dec24e967a..8fd7cf1932cd 100644 --- a/drivers/thermal/devfreq_cooling.c +++ b/drivers/thermal/devfreq_cooling.c @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd res...
00bb549d7d63a21532e76e4a334d7807a54d9f31
Analyze and fix the following issue in the Linux kernel code: regmap: maple: Fix cache corruption in regcache_maple_drop()
Problem Details: When keeping the upper end of a cache block entry, the entry[] array must be indexed by the offset from the base register of the block, i.e. max - mas.index. The code was indexing entry[] by only the register address, leading to an out-of-bounds access that copied some part of the kernel memory over t...
```diff diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c index 41edd6a430eb..c1776127a572 100644 --- a/drivers/base/regmap/regcache-maple.c +++ b/drivers/base/regmap/regcache-maple.c @@ -145,7 +145,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min, uppe...
4af565de9f8c74b9f6035924ce0d40adec211246
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: acp: fix for acp pdm configuration check
Problem Details: ACP PDM configuration has to be verified for all combinations. Remove FLAG_AMD_LEGACY_ONLY_DMIC check. Fixes: 3a94c8ad0aae ("ASoC: amd: acp: add code for scanning acp pdm controller") Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Link: https://msgid.link/r/20240327104657.3537664-2-Vijend...
```diff diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 8c8b1dcac628..440b91d4f261 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -133,11 +133,9 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id } } - if (flag == FLAG_A...
b5237d0bdb3cb164b7792cc4f1ff2ecafbfac661
Analyze and fix the following issue in the Linux kernel code: dt-bindings: ufs: qcom: document SM6125 UFS
Problem Details: Document already upstreamed and used Qualcomm SM6125 UFS host controller to fix dtbs_check warnings like: sm6125-xiaomi-laurel-sprout.dtb: ufs@4804000: compatible:0: 'qcom,sm6125-ufshc' is not one of ['qcom,msm8994-ufshc', ... sm6125-xiaomi-laurel-sprout.dtb: ufs@4804000: Unevaluated properties ar...
```diff diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml index 7e6d442545ad..cd3680dc002f 100644 --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml @@ -33,6 +33,7 @@ properties: ...
7fb5aafc0a702c4c0bb22410d1e67a732e320511
Analyze and fix the following issue in the Linux kernel code: dt-bindings: ufs: qcom: document SC7180 UFS
Problem Details: Document already upstreamed and used Qualcomm SC7180 UFS host controller to fix dtbs_check warnings like: sc7180-idp.dtb: ufshc@1d84000: compatible:0: 'qcom,sc7180-ufshc' is not one of ... sc7180-idp.dtb: ufshc@1d84000: clocks: [[39, 99], [39, 7], [39, 98], [39, 107], [36, 0], [39, 106], [39, 105]...
```diff diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml index 1ab3d16917ac..7e6d442545ad 100644 --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml @@ -27,6 +27,7 @@ properties: ...
ad91c1d77fd0a489706b7b784a70e464a4a03490
Analyze and fix the following issue in the Linux kernel code: dt-bindings: ufs: qcom: document SC8180X UFS
Problem Details: Document already upstreamed and used Qualcomm SC8180x UFS host controller to fix dtbs_check warnings like: sc8180x-primus.dtb: ufshc@1d84000: compatible:0: 'qcom,sc8180x-ufshc' is not one of ['qcom,msm8994-ufshc', ... ] sc8180x-primus.dtb: ufshc@1d84000: Unevaluated properties are not allowed ('co...
```diff diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml index 10c146424baa..1ab3d16917ac 100644 --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml @@ -28,6 +28,7 @@ properties: ...
84c3a079ab98f729e9a968a201d9aa8d196195a1
Analyze and fix the following issue in the Linux kernel code: riscv: remove unused header
Problem Details: arch/riscv/kernel/sys_riscv.c builds without using anything from asm-generic/mman-common.h. There seems to be no reason to include this file. Signed-off-by: Tanzir Hasan <tanzirh@google.com> Fixes: 9e2e6042a7ec ("riscv: Allow PROT_WRITE-only mmap()") Reviewed-by: Nick Desaulniers <ndesaulniers@google....
```diff diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index f1c1416a9f1e..64155323cc92 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -7,7 +7,6 @@ #include <linux/syscalls.h> #include <asm/cacheflush.h> -#include <asm-generic/mman-common.h> static l...
13dddf9319808badd2c1f5d7007b4e82838a648e
Analyze and fix the following issue in the Linux kernel code: RISC-V: Update AT_VECTOR_SIZE_ARCH for new AT_MINSIGSTKSZ
Problem Details: "riscv: signal: Report signal frame size to userspace via auxv" (e92f469) has added new constant AT_MINSIGSTKSZ but failed to increment the size of auxv, keeping AT_VECTOR_SIZE_ARCH at 9. This fix correctly increments AT_VECTOR_SIZE_ARCH to 10, following the approach in the commit 94b07c1 ("arm64: sign...
```diff diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h index 10aaa83db89e..95050ebe9ad0 100644 --- a/arch/riscv/include/uapi/asm/auxvec.h +++ b/arch/riscv/include/uapi/asm/auxvec.h @@ -34,7 +34,7 @@ #define AT_L3_CACHEGEOMETRY 47 /* entries in ARCH_DLINFO */ -#define AT_VEC...
afdaff3706918b7414e0741c4c5c20a12726a207
Analyze and fix the following issue in the Linux kernel code: thermal: netlink: Rename thermal_gnl_family
Problem Details: Almost all thermal netlink structures use thermal_genl prefix. Change thermal_gnl_family name accordingly for consistency. No functional impact. Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
```diff diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c index d407130563e5..bef14ce69ec4 100644 --- a/drivers/thermal/thermal_netlink.c +++ b/drivers/thermal/thermal_netlink.c @@ -70,12 +70,12 @@ struct param { typedef int (*cb_t)(struct param *); -static struct genl_family therm...
8678b1060ae2b75feb60b87e5b75e17374e3c1c5
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix deadlock while reading mqd from debugfs
Problem Details: An errant disk backup on my desktop got into debugfs and triggered the following deadlock scenario in the amdgpu debugfs files. The machine also hard-resets immediately after those lines are printed (although I wasn't able to reproduce that part when reading by hand): [ 1318.016074][ T1082] ==========...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 5505d646f43a..06f0a6534a94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -524,46 +524,58 @@ static ssize_t amdgpu_debugfs_mqd_read(struct file *f, char...
2f10d4a51bbcd938f1f02f16c304ad1d54717b96
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix bounds check for dcn35 DcfClocks
Problem Details: [Why] NumFclkLevelsEnabled is used for DcfClocks bounds check instead of designated NumDcfClkLevelsEnabled. That can cause array index out-of-bounds access. [How] Use designated variable for dcn35 DcfClocks bounds check. Fixes: a8edc9cc0b14 ("drm/amd/display: Fix array-index-out-of-bounds in dcn35_cl...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index ee5c4ee1ed66..101fe96287cb 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @...
fe869c2e53484a29ab241667606240b91db920ef
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix a dereference of a NULL pointer
Problem Details: [why&how] In some platform out_transfer_func may not be popualted. We need to check for null before dereferencing it. Fixes: d2dea1f14038 ("drm/amd/display: Generalize new minimal transition path") Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index e7dc128f6284..03b554e912a2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3024,7 +3024,8 @@ static void backup_planes_and_stream_state( scratch->ble...
25358e04a43c33e6cd8dce528da1d624de915864
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Send DTBCLK disable message on first commit
Problem Details: [Why] Previous patch to allow DTBCLK disable didn't address boot case. Driver thinks DTBCLK is disabled by default, so we don't send disable message to PMFW. DTBCLK is then enabled at idle desktop on boot, burning power. [How] Set dtbclk_en to true on boot so that disable message is sent during first ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index c378b879c76d..ee5c4ee1ed66 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @...
09d62c7beb3b98c03b4fc2205bfa7b80c249157d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Update dcn351 to latest dcn35 config
Problem Details: [why & how] There were some fixes in dcn35 that need to be ported over to dcn351 to prevent any regression. Signed-off-by: Sung Joon Kim <sungkim@amd.com> Reviewed-by: Liu, Xi (Alex) <xiliu102@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c index b6246406a042..b3ffab77cf88 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c @@ -402,6 +402,8 @@ void ...
1202f794cdaa4f0ba6a456bc034f2db6cfcf5579
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix IPX enablement
Problem Details: We need to re-enable idle power optimizations after entering PSR. Since, we get kicked out of idle power optimizations before entering PSR (entering PSR requires us to write to DCN registers, which isn't allowed while we are in IPS). Fixes: a9b1a4f684b3 ("drm/amd/display: Add more checks for exiting i...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index 1f08c6564c3b..286ecd28cc6e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -141,9 +141,8 @@ bool amdg...
ca299b4512d4b4f516732a48ce9aa19d91f4473e
Analyze and fix the following issue in the Linux kernel code: drm/amd: Flush GFXOFF requests in prepare stage
Problem Details: If the system hasn't entered GFXOFF when suspend starts it can cause hangs accessing GC and RLC during the suspend stage. Cc: <stable@vger.kernel.org> # 6.1.y: 5095d5418193 ("drm/amd: Evict resources during PM ops prepare() callback") Cc: <stable@vger.kernel.org> # 6.1.y: cb11ca3233aa ("drm/amd: Add c...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5dc24c971b41..aa16d51dd842 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4539,6 +4539,8 @@ int amdgpu_device_prepare(struct drm_device *dev) ...
0cac183b98d8a8c692c98e8dba37df15a9e9210d
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: range check cp bad op exception interrupts
Problem Details: Due to a CP interrupt bug, bad packet garbage exception codes are raised. Do a range check so that the debugger and runtime do not receive garbage codes. Update the user api to guard exception code type checking as well. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Tested-by: Jesse Zhang <jesse....
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c index 9a06c6fb6605..40a21be6c07c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c @@ -339,7 +339,8 @@ static void event_interrupt_w...
78aca9ee5e012e130dbfbd7191bc2302b0cf3b37
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amd/display: Fix sending VSC (+ colorimetry) packets for DP/eDP displays without PSR"
Problem Details: This causes flicker on a bunch of eDP panels. The info_packet code also caused regressions on other OSes that we haven't' seen on Linux yet, but that is likely due to the fact that we haven't had a chance to test those environments on Linux. We'll need to revisit this. This reverts commit 202260f6451...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 2851719d7121..71d2d44681b2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6305,9 +6305,8 @@ create_stream_for_sink(...
1210e2f1033dc56b666c9f6dfb761a2d3f9f5d6c
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: fix TLB flush after unmap for GFX9.4.2
Problem Details: TLB flush after unmap accidentially was removed on gfx9.4.2. It is to add it back. Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 42d40560cd30..a81ef232fdef 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1473,7 +1473,7 @@ static inline void kfd_flush_tlb(struct kfd_process_device *pdd, sta...
eed14eb48ee176fe0144c6a999d00c855d0b199b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu/vpe: power on vpe when hw_init
Problem Details: To fix mode2 reset failure. Should power on VPE when hw_init. Signed-off-by: Peyton Lee <peytolee@amd.com> Reviewed-by: Lang Yu <lang.yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c index 7a65a2b128ec..6695481f870f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c @@ -396,6 +396,12 @@ static int vpe_hw_init(void *handle) struct amdgpu_vpe *vpe = ...
22650a99821dda3d05f1c334ea90330b4982de56
Analyze and fix the following issue in the Linux kernel code: fs,block: yield devices early
Problem Details: Currently a device is only really released once the umount returns to userspace due to how file closing works. That ultimately could cause an old umount assumption to be violated that concurrent umount and mount don't fail. So an exclusively held device with a temporary holder should be yielded before ...
```diff diff --git a/block/bdev.c b/block/bdev.c index a1946a902df3..b8e32d933a63 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -583,9 +583,6 @@ static void bd_finish_claiming(struct block_device *bdev, void *holder, mutex_unlock(&bdev->bd_holder_lock); bd_clear_claiming(whole, holder); mutex_unlock(&bdev_lock)...
3ff56e285de5a375fbfab3c3f1af81bbd23db36d
Analyze and fix the following issue in the Linux kernel code: block: count BLK_OPEN_RESTRICT_WRITES openers
Problem Details: The original changes in v6.8 do allow for a block device to be reopened with BLK_OPEN_RESTRICT_WRITES provided the same holder is used as per bdev_may_open(). I think this has a bug. The first opener @f1 of that block device will set bdev->bd_writers to -1. The second opener @f2 using the same holder ...
```diff diff --git a/block/bdev.c b/block/bdev.c index ab9cae0e05f1..a1946a902df3 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -776,17 +776,17 @@ void blkdev_put_no_open(struct block_device *bdev) static bool bdev_writes_blocked(struct block_device *bdev) { - return bdev->bd_writers == -1; + return bdev->bd_writ...
afbf75e8da8ce8a0698212953d350697bb4355a6
Analyze and fix the following issue in the Linux kernel code: selftests: netdevsim: set test timeout to 10 minutes
Problem Details: The longest running netdevsim test, nexthop.sh, currently takes 5 min to finish. Around 260s to be exact, and 310s on a debug kernel. The default timeout in selftest is 45sec, so we need an explicit config. Give ourselves some headroom and use 10min. Commit under Fixes isn't really to "blame" but prio...
```diff diff --git a/tools/testing/selftests/drivers/net/netdevsim/settings b/tools/testing/selftests/drivers/net/netdevsim/settings new file mode 100644 index 000000000000..a62d2fa1275c --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/settings @@ -0,0 +1 @@ +timeout=600 ```
59058f2af9ca17d6c3113f6bbf93f6389fd4d0ea
Analyze and fix the following issue in the Linux kernel code: drm/xe/guc: Fix include guard for SR-IOV ABI
Problem Details: Use include guard macro name that follows naming used by the other GuC ABI files. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240213214908.1481-1-michal.wajdeczko@intel.com
```diff diff --git a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h index 5496a5890847..fe7a93ce3aa5 100644 --- a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h +++ b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h @@ -3,8 +3,8 @@ * Copyright © 2023 Intel Corporation ...
ea2c09283b44d1a3732a195a9b257d56779c8863
Analyze and fix the following issue in the Linux kernel code: net: wan: framer: Add missing static inline qualifiers
Problem Details: Compilation with CONFIG_GENERIC_FRAMER disabled lead to the following warnings: framer.h:184:16: warning: no previous prototype for function 'framer_get' [-Wmissing-prototypes] 184 | struct framer *framer_get(struct device *dev, const char *con_id) framer.h:184:1: note: declare 'static' if the fu...
```diff diff --git a/include/linux/framer/framer.h b/include/linux/framer/framer.h index 9a9b88962c29..2b85fe9e7f9a 100644 --- a/include/linux/framer/framer.h +++ b/include/linux/framer/framer.h @@ -181,12 +181,12 @@ static inline int framer_notifier_unregister(struct framer *framer, return -ENOSYS; } -struct fram...
1506d96119eb9454d64f5ae80ab8d04c1594ac25
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: remove useless dev_dbg from playback_hook
Problem Details: The debug message "Playback action not supported: action" is not useful, because the action was previously printed, and the list of supported actions are intentional. Remove the debug statement from the default switch case. Signed-off-by: Gergo Koteles <soyer@irl.hu> Message-ID: <8b9546db6c92dea4476a...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index f495caee38e1..48dae3339305 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -161,8 +161,6 @@ static void tas2781_hda_playback_hook(struct device *dev, int action) pm_runtime_put_autosuspe...
26c04a8a3c05dc280fa961e79b5b3fcb66ac4625
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: add debug statements to kcontrols
Problem Details: Sometimes it is useful to examine the timing of kcontrol events. Add debug statements to each kcontrol. Signed-off-by: Gergo Koteles <soyer@irl.hu> Message-ID: <18ff4b0caab90a2dacf907e62346fd5079a9eb1a.1711469583.git.soyer@irl.hu> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 9a43f563bb9e..f495caee38e1 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -189,6 +189,9 @@ static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, ucontrol->value.integer.va...
15bc3066d2378eef1b45254be9df23b0dd7f1667
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: add locks to kcontrols
Problem Details: The rcabin.profile_cfg_id, cur_prog, cur_conf, force_fwload_status variables are acccessible from multiple threads and therefore require locking. Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver") CC: stable@vger.kernel.org Signed-off-by: Gergo Koteles <soyer@irl.hu> Message-ID: <e35b86...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 5acb475c10a7..9a43f563bb9e 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -185,8 +185,12 @@ static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, { struct tasdevice_priv *t...
ae065d0ce9e36ca4efdfb9b96ce3395bd1c19372
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: remove digital gain kcontrol
Problem Details: The "Speaker Digital Gain" kcontrol controls the TAS2781_DVC_LVL (0x1A) register. Unfortunately the tas2563 does not have DVC_LVL, but has INT_MASK0 in 0x1A, which has been misused so far. Since commit c1947ce61ff4 ("ALSA: hda/realtek: tas2781: enable subwoofer volume control") the volume of the tas27...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 4475cea8e9f7..5acb475c10a7 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -89,7 +89,7 @@ struct tas2781_hda { struct snd_kcontrol *dsp_prog_ctl; struct snd_kcontrol *dsp_conf_ctl; st...
7590ac2249ebfa6a40db9055fa62d349e9c8e6a6
Analyze and fix the following issue in the Linux kernel code: ALSA: aoa: avoid false-positive format truncation warning
Problem Details: clang warns about what it interprets as a truncated snprintf: sound/aoa/soundbus/i2sbus/core.c:171:6: error: 'snprintf' will always be truncated; specified size is 6, but format string expands to at least 7 [-Werror,-Wformat-truncation-non-kprintf] The actual problem here is that it does not understa...
```diff diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index 3f49a9e28bfc..e627ffffa1f2 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -158,7 +158,7 @@ static int i2sbus_add_dev(struct macio_dev *macio, struct device_node *child, *sound = NULL...
ddd65e19c60140673ea9f7249af0a672f1820623
Analyze and fix the following issue in the Linux kernel code: block: handle BLK_OPEN_RESTRICT_WRITES correctly
Problem Details: Last kernel release we introduce CONFIG_BLK_DEV_WRITE_MOUNTED. By default this option is set. When it is set the long-standing behavior of being able to write to mounted block devices is enabled. But in order to guard against unintended corruption by writing to the block device buffer cache CONFIG_BLK...
```diff diff --git a/block/bdev.c b/block/bdev.c index 7a5f611c3d2e..ab9cae0e05f1 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -821,13 +821,11 @@ static void bdev_yield_write_access(struct file *bdev_file) return; bdev = file_bdev(bdev_file); - /* Yield exclusive or shared write access. */ - if (bdev_file->f_...
26c8cfb9d1e4b252336d23dd5127a8cbed414a32
Analyze and fix the following issue in the Linux kernel code: fbdev: shmobile: fix snprintf truncation
Problem Details: The name of the overlay does not fit into the fixed-length field: drivers/video/fbdev/sh_mobile_lcdcfb.c:1577:2: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 25 Make it short enough by changing the string. Fixes: c5deac3c9b22 ("fbdev: sh_mob...
```diff diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index eb2297b37504..d35d2cf99998 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -1575,7 +1575,7 @@ sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl) ...
f9f62a877da1e6f6e9d58bd779c1c77052eb04ab
Analyze and fix the following issue in the Linux kernel code: x86/dumpstack: Use uniform "Oops: " prefix for die() messages
Problem Details: panic() prints a uniform prompt: "Kernel panic - not syncing:", but die() messages don't have any of that, the message is the raw user-defined message with no prefix. There's companies that collect thousands of die() messages per week, but w/o a prompt in dmesg, it's hard to write scripts to collect a...
```diff diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 44a91ef5a23b..a7d562697e50 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -405,8 +405,8 @@ static void __die_header(const char *str, struct pt_regs *regs, long err) pr = IS_ENABLED(CONFIG_PREEMPT_RT) ?...
c25d09bcb79fa6a6f45beb558ccc77e68f757e19
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix deadlock while reading mqd from debugfs
Problem Details: An errant disk backup on my desktop got into debugfs and triggered the following deadlock scenario in the amdgpu debugfs files. The machine also hard-resets immediately after those lines are printed (although I wasn't able to reproduce that part when reading by hand): [ 1318.016074][ T1082] ==========...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 5505d646f43a..06f0a6534a94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -524,46 +524,58 @@ static ssize_t amdgpu_debugfs_mqd_read(struct file *f, char...
b5f524b3ebef1646cf3ec8003452ad889fc59243
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: 3.2.278
Problem Details: This version brings along following fixes: - Fix some bound and NULL check - Fix nonseamless transition from ODM + MPO to ODM + subvp - Allow Z8 when stutter threshold is not met - Remove plane and stream pointers from dc scratch - Remove read/write to external register - Increase number of hpo dp link...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index dd54de5f3b2f..6300ae2ea1f7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -51,7 +51,7 @@ struct aux_payload; struct set_config_cmd_payload; struct dmub_notification; -#...
a13ad81951c1334a2ddd0225929552f2eb7f074c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix bounds check for dcn35 DcfClocks
Problem Details: [Why] NumFclkLevelsEnabled is used for DcfClocks bounds check instead of designated NumDcfClkLevelsEnabled. That can cause array index out-of-bounds access. [How] Use designated variable for dcn35 DcfClocks bounds check. Fixes: a8edc9cc0b14 ("drm/amd/display: Fix array-index-out-of-bounds in dcn35_cl...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 928d61f9f858..8efde1cfb49a 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @...
57b1ce8384c71d59c48081a9cca91d22f1984a2d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix nonseamless transition from ODM + MPO to ODM + subvp
Problem Details: [why] when ODM + MPO is used for all 4 available pipes. Pipe transition will be nonseamless. Phantom OTG master pipe reuses the secondary OPP head pipe. There is no possible seamless path to transit to the new state. The correct logic would be to reuse a secondary DPP pipe as the phantom OTG maste...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index ce56e47cfd0a..fa6e6184c437 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1795,6 +1795,30 @@ int recource_find_free...
02367f52901932674ff2a9c5208b6c11ccf39802
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix a dereference of a NULL pointer
Problem Details: [why&how] In some platform out_transfer_func may not be popualted. We need to check for null before dereferencing it. Fixes: d2dea1f14038 ("drm/amd/display: Generalize new minimal transition path") Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 9030251388db..8d042651b6fe 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3057,7 +3057,8 @@ static void backup_planes_and_stream_state( scratch->ble...
e4067957363742c762eb68041367e5ea9a465f60
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Added missing null checks
Problem Details: [why&how] Add the missing null check before dereference for dc_stream_status* Fixes: 2d5bb791e24f ("drm/amd/display: Implement update_planes_and_stream_v3 sequence") Reviewed-by: Josip Pavic <josip.pavic@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by: Sohaib Nadeem <sohaib.nadeem...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 7222917e48bb..9030251388db 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -4291,6 +4291,9 @@ static int initialize_empty_surface_updates( struct dc_st...
1ba65e749dc607d36a0b6e54f14171d52702247d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Send DTBCLK disable message on first commit
Problem Details: [Why] Previous patch to allow DTBCLK disable didn't address boot case. Driver thinks DTBCLK is disabled by default, so we don't send disable message to PMFW. DTBCLK is then enabled at idle desktop on boot, burning power. [How] Set dtbclk_en to true on boot so that disable message is sent during first ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index c6030bed95a0..dafa07671d00 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @...
be524af47a82f48022c093ad7992b5eb501877b9
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Update dcn351 to latest dcn35 config
Problem Details: [why & how] There were some fixes in dcn35 that need to be ported over to dcn351 to prevent any regression. Signed-off-by: Sung Joon Kim <sungkim@amd.com> Reviewed-by: Liu, Xi (Alex) <xiliu102@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c index b6246406a042..b3ffab77cf88 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c @@ -402,6 +402,8 @@ void ...
aca8a9b127ea8cae92a71b6e351232e3b9c2130a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix IPX enablement
Problem Details: We need to re-enable idle power optimizations after entering PSR. Since, we get kicked out of idle power optimizations before entering PSR (entering PSR requires us to write to DCN registers, which isn't allowed while we are in IPS). Fixes: a9b1a4f684b3 ("drm/amd/display: Add more checks for exiting i...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index a48a79e84e82..bfa090432ce2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -141,9 +141,8 @@ bool amdg...
f7442a634ac06b953fc1f7418f307b25acd4cfbc
Analyze and fix the following issue in the Linux kernel code: mlxbf_gige: call request_irq() after NAPI initialized
Problem Details: The mlxbf_gige driver encounters a NULL pointer exception in mlxbf_gige_open() when kdump is enabled. The sequence to reproduce the exception is as follows: a) enable kdump b) trigger kdump via "echo c > /proc/sysrq-trigger" c) kdump kernel executes d) kdump kernel loads mlxbf_gige module e) the mlxbf...
```diff diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c index cef0e2d3f1a7..77134ca92938 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c @@ -139,1...
417e91e856099e9b8a42a2520e2255e6afe024be
Analyze and fix the following issue in the Linux kernel code: tls: get psock ref after taking rxlock to avoid leak
Problem Details: At the start of tls_sw_recvmsg, we take a reference on the psock, and then call tls_rx_reader_lock. If that fails, we return directly without releasing the reference. Instead of adding a new label, just take the reference after locking has succeeded, since we don't need it before. Fixes: 4cbc325ed6b4...
```diff diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 14faf6189eb1..b783231668c6 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -1976,10 +1976,10 @@ int tls_sw_recvmsg(struct sock *sk, if (unlikely(flags & MSG_ERRQUEUE)) return sock_recv_errqueue(sk, msg, len, SOL_IP, IP_RECVERR); - psock = sk_...
85eef9a41d019b59be7bc91793f26251909c0710
Analyze and fix the following issue in the Linux kernel code: tls: adjust recv return with async crypto and failed copy to userspace
Problem Details: process_rx_list may not copy as many bytes as we want to the userspace buffer, for example in case we hit an EFAULT during the copy. If this happens, we should only count the bytes that were actually copied, which may be 0. Subtracting async_copy_bytes is correct in both peek and !peek cases, because ...
```diff diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 3cdc6bc9fba6..14faf6189eb1 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -2158,6 +2158,9 @@ recv_end: else err = process_rx_list(ctx, msg, &control, 0, async_copy_bytes, is_peek, NULL); + + /* we could have copied less than we ...
7608a971fdeb4c3eefa522d1bfe8d4bc6b2481cc
Analyze and fix the following issue in the Linux kernel code: tls: recv: process_rx_list shouldn't use an offset with kvec
Problem Details: Only MSG_PEEK needs to copy from an offset during the final process_rx_list call, because the bytes we copied at the beginning of tls_sw_recvmsg were left on the rx_list. In the KVEC case, we removed data from the rx_list as we were copying it, so there's no need to use an offset, just like in the norm...
```diff diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 211f57164cb6..3cdc6bc9fba6 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -2152,7 +2152,7 @@ recv_end: } /* Drain records from the rx_list & copy if required */ - if (is_peek || is_kvec) + if (is_peek) err = process_rx_list(ctx, msg, ...
0f74c64f0a9f6e1e7cf17bea3d4350fa6581e0d7
Analyze and fix the following issue in the Linux kernel code: riscv: dts: starfive: Remove PMIC interrupt info for Visionfive 2 board
Problem Details: Interrupt line number of the AXP15060 PMIC is not a necessary part of its device tree. Originally the binding required one, so the dts patch added an invalid interrupt that the driver ignored (0) as the interrupt line of the PMIC is not actually connected on this platform. This went unnoticed during re...
```diff diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi index 45b58b6f3df8..7783d464d529 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-...