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[PATCH RESEND] dmaengine: ti-dma-crossbar: Fix error handling in ti_am335x_xbar_route_allocate

by Ma Ke

ti_am335x_xbar_route_allocate() calls of_find_device_by_node() which increments the reference count of the platform device, but fails to call put_device() to decrement the reference count before returning. This could cause a reference count leak each time the function is called, preventing the platform device from being properly cleaned up and leading to memory leakage. Add proper put_device() calls in all exit paths to fix the reference count imbalance. Found by code review. Cc: stable(a)vger.kernel.org Fixes: 42dbdcc6bf96 ("dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx") Signed-off-by: Ma Ke <make24(a)iscas.ac.cn> --- drivers/dma/ti/dma-crossbar.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c index 7f17ee87a6dc..58bc515ec8b3 100644 --- a/drivers/dma/ti/dma-crossbar.c +++ b/drivers/dma/ti/dma-crossbar.c @@ -80,33 +80,40 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec, struct platform_device *pdev = of_find_device_by_node(ofdma->of_node); struct ti_am335x_xbar_data *xbar = platform_get_drvdata(pdev); struct ti_am335x_xbar_map *map; + int ret; - if (dma_spec->args_count != 3) - return ERR_PTR(-EINVAL); + if (dma_spec->args_count != 3) { + ret = -EINVAL; + goto err_put_device; + } if (dma_spec->args[2] >= xbar->xbar_events) { dev_err(&pdev->dev, "Invalid XBAR event number: %d\n", dma_spec->args[2]); - return ERR_PTR(-EINVAL); + ret = -EINVAL; + goto err_put_device; } if (dma_spec->args[0] >= xbar->dma_requests) { dev_err(&pdev->dev, "Invalid DMA request line number: %d\n", dma_spec->args[0]); - return ERR_PTR(-EINVAL); + ret = -EINVAL; + goto err_put_device; } /* The of_node_put() will be done in the core for the node */ dma_spec->np = of_parse_phandle(ofdma->of_node, "dma-masters", 0); if (!dma_spec->np) { dev_err(&pdev->dev, "Can't get DMA master\n"); - return ERR_PTR(-EINVAL); + ret = -EINVAL; + goto err_put_device; } map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { of_node_put(dma_spec->np); - return ERR_PTR(-ENOMEM); + ret = -ENOMEM; + goto err_put_device; } map->dma_line = (u16)dma_spec->args[0]; @@ -120,7 +127,12 @@ static void *ti_am335x_xbar_route_allocate(struct of_phandle_args *dma_spec, ti_am335x_xbar_write(xbar->iomem, map->dma_line, map->mux_val); + put_device(&pdev->dev); return map; + +err_put_device: + put_device(&pdev->dev); + return ERR_PTR(ret); } static const struct of_device_id ti_am335x_master_match[] __maybe_unused = { -- 2.17.1

4 weeks

Notificación urgente: Su contraseña ha expirado y perderá el acceso a su correo electrónico.

by Soporte de correo lists.linaro.org

4 weeks

FAILED: patch "[PATCH] ALSA: wavefront: Clear substream pointers on close" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x e11c5c13ce0ab2325d38fe63500be1dd88b81e38 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025121601-suffrage-senate-99ab@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From e11c5c13ce0ab2325d38fe63500be1dd88b81e38 Mon Sep 17 00:00:00 2001 From: Junrui Luo <moonafterrain(a)outlook.com> Date: Thu, 6 Nov 2025 10:24:57 +0800 Subject: [PATCH] ALSA: wavefront: Clear substream pointers on close Clear substream pointers in close functions to avoid leaving dangling pointers, helping to improve code safety and prevents potential issues. Reported-by: Yuhao Jiang <danisjiang(a)gmail.com> Reported-by: Junrui Luo <moonafterrain(a)outlook.com> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable(a)vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain(a)outlook.com> Link: https://patch.msgid.link/SYBPR01MB7881DF762CAB45EE42F6D812AFC2A@SYBPR01MB78… Signed-off-by: Takashi Iwai <tiwai(a)suse.de> diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c index 1250ecba659a..69d87c4cafae 100644 --- a/sound/isa/wavefront/wavefront_midi.c +++ b/sound/isa/wavefront/wavefront_midi.c @@ -278,6 +278,7 @@ static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substrea return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_input[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_INPUT; return 0; @@ -300,6 +301,7 @@ static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substre return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_output[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_OUTPUT; return 0; }

4 weeks

6.17.9 / 6.18 AMDGPU DMCUB Error

by Neil Gammie

Hello all, please forgive me if this issue is already known, but I couldn't find any reference to it with regard to the 6.17.9 kernel. Anyway, when updating from 6.17.8 to 6.17.9, the following error is raised on every boot: Dec 04 14:44:20 P14s kernel: amdgpu: Topology: Add dGPU node [0x1638:0x1002] Dec 04 14:44:20 P14s kernel: kfd kfd: amdgpu: added device 1002:1638 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: SE 1, SH per SE 1, CU per SH 8, active_cu_number 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring gfx uses VM inv eng 0 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.0.0 uses VM inv eng 1 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.1.0 uses VM inv eng 4 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.2.0 uses VM inv eng 5 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.3.0 uses VM inv eng 6 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.0.1 uses VM inv eng 7 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.1.1 uses VM inv eng 8 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.2.1 uses VM inv eng 9 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring comp_1.3.1 uses VM inv eng 10 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring kiq_0.2.1.0 uses VM inv eng 11 on hub 0 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring sdma0 uses VM inv eng 0 on hub 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring vcn_dec uses VM inv eng 1 on hub 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring vcn_enc0 uses VM inv eng 4 on hub 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring vcn_enc1 uses VM inv eng 5 on hub 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: ring jpeg_dec uses VM inv eng 6 on hub 8 Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: Runtime PM not available Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: amdgpu: [drm] Using custom brightness curve Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: [drm] Registered 4 planes with drm panic Dec 04 14:44:20 P14s kernel: [drm] Initialized amdgpu 3.64.0 for 0000:07:00.0 on minor 1 Dec 04 14:44:20 P14s kernel: fbcon: amdgpudrmfb (fb0) is primary device Dec 04 14:44:20 P14s kernel: amdgpu 0000:07:00.0: [drm] *ERROR* dc_dmub_srv_log_diagnostic_data: DMCUB error - collecting diagnostic data Dec 04 14:44:21 P14s kernel: amdgpu 0000:07:00.0: [drm] fb0: amdgpudrmfb frame buffer device Setup is as follows: Hardware: ThinkPad P14s Gen 2 AMD Processor: AMD Ryzen™ 7 PRO 5850U OS: Arch Linux AMD Firmware: linux-firmware-amdgpu 20251125 Running a bisection gives the following: git bisect start # status: waiting for both good and bad commits # good: [8ac42a63c561a8b4cccfe84ed8b97bb057e6ffae] Linux 6.17.8 git bisect good 8ac42a63c561a8b4cccfe84ed8b97bb057e6ffae # status: waiting for bad commit, 1 good commit known # bad: [1bfd0faa78d09eb41b81b002e0292db0f3e75de0] Linux 6.17.9 git bisect bad 1bfd0faa78d09eb41b81b002e0292db0f3e75de0 # bad: [92ef36a75fbb56a02a16b141fe684f64fb2b1cb9] lib/crypto: arm/curve25519: Disable on CPU_BIG_ENDIAN git bisect bad 92ef36a75fbb56a02a16b141fe684f64fb2b1cb9 # bad: [aaba523dd7b6106526c24b1fd9b5fc35e5aaa88d] sctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto git bisect bad aaba523dd7b6106526c24b1fd9b5fc35e5aaa88d # bad: [b3b288206a1ea7e21472f8d1c7834ebface9bb33] drm/amdkfd: fix suspend/resume all calls in mes based eviction path git bisect bad b3b288206a1ea7e21472f8d1c7834ebface9bb33 # good: [ac486718d6cc96e07bc67094221e682ba5ea6f76] drm/amd/pm: Use pm_display_cfg in legacy DPM (v2) git bisect good ac486718d6cc96e07bc67094221e682ba5ea6f76 # bad: [1009f007b3afba93082599e263b3807d05177d53] RISC-V: clear hot-unplugged cores from all task mm_cpumasks to avoid rfence errors git bisect bad 1009f007b3afba93082599e263b3807d05177d53 # bad: [ccd8af579101ca68f1fba8c9e055554202381cab] drm/amd: Disable ASPM on SI git bisect bad ccd8af579101ca68f1fba8c9e055554202381cab # bad: [e95425b6df29cc88fac7d0d77aa38a5a131dbf45] drm/amd/pm: Disable MCLK switching on SI at high pixel clocks git bisect bad e95425b6df29cc88fac7d0d77aa38a5a131dbf45 # bad: [5ee434b55134c24df7ad426d40fe28c6542fab4d] drm/amd/display: Disable fastboot on DCE 6 too git bisect bad 5ee434b55134c24df7ad426d40fe28c6542fab4d # first bad commit: [5ee434b55134c24df7ad426d40fe28c6542fab4d] drm/amd/display: Disable fastboot on DCE 6 too The error still occurs in 6.18, but reverting the above bad commit removes it. Although an error is reported, the system still boots to the graphical interface and appears to function normally, although I have neither benchmarked graphics performance or used the system for an extended period after the error has been flagged. Yours faithfully, Neil Gammie

4 weeks

Aviso urgente: Sua senha expirou e você perderá o acesso ao seu e-mail.

by Suporte por e-mail lists.linaro.org

4 weeks

FAILED: patch "[PATCH] ALSA: wavefront: Clear substream pointers on close" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x e11c5c13ce0ab2325d38fe63500be1dd88b81e38 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025121601-unpopular-opulently-2ac5@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From e11c5c13ce0ab2325d38fe63500be1dd88b81e38 Mon Sep 17 00:00:00 2001 From: Junrui Luo <moonafterrain(a)outlook.com> Date: Thu, 6 Nov 2025 10:24:57 +0800 Subject: [PATCH] ALSA: wavefront: Clear substream pointers on close Clear substream pointers in close functions to avoid leaving dangling pointers, helping to improve code safety and prevents potential issues. Reported-by: Yuhao Jiang <danisjiang(a)gmail.com> Reported-by: Junrui Luo <moonafterrain(a)outlook.com> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable(a)vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain(a)outlook.com> Link: https://patch.msgid.link/SYBPR01MB7881DF762CAB45EE42F6D812AFC2A@SYBPR01MB78… Signed-off-by: Takashi Iwai <tiwai(a)suse.de> diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c index 1250ecba659a..69d87c4cafae 100644 --- a/sound/isa/wavefront/wavefront_midi.c +++ b/sound/isa/wavefront/wavefront_midi.c @@ -278,6 +278,7 @@ static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substrea return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_input[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_INPUT; return 0; @@ -300,6 +301,7 @@ static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substre return -EIO; guard(spinlock_irqsave)(&midi->open); + midi->substream_output[mpu] = NULL; midi->mode[mpu] &= ~MPU401_MODE_OUTPUT; return 0; }

4 weeks

FAILED: patch "[PATCH] ALSA: wavefront: Fix integer overflow in sample size" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 0c4a13ba88594fd4a27292853e736c6b4349823d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025121619-slug-udder-b8fe@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 0c4a13ba88594fd4a27292853e736c6b4349823d Mon Sep 17 00:00:00 2001 From: Junrui Luo <moonafterrain(a)outlook.com> Date: Thu, 6 Nov 2025 10:49:46 +0800 Subject: [PATCH] ALSA: wavefront: Fix integer overflow in sample size validation The wavefront_send_sample() function has an integer overflow issue when validating sample size. The header->size field is u32 but gets cast to int for comparison with dev->freemem Fix by using unsigned comparison to avoid integer overflow. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable(a)vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain(a)outlook.com> Link: https://patch.msgid.link/SYBPR01MB7881B47789D1B060CE8BF4C3AFC2A@SYBPR01MB78… Signed-off-by: Takashi Iwai <tiwai(a)suse.de> diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c index cd5c177943aa..0d78533e1cfd 100644 --- a/sound/isa/wavefront/wavefront_synth.c +++ b/sound/isa/wavefront/wavefront_synth.c @@ -950,9 +950,9 @@ wavefront_send_sample (snd_wavefront_t *dev, if (header->size) { dev->freemem = wavefront_freemem (dev); - if (dev->freemem < (int)header->size) { + if (dev->freemem < 0 || dev->freemem < header->size) { dev_err(dev->card->dev, - "insufficient memory to load %d byte sample.\n", + "insufficient memory to load %u byte sample.\n", header->size); return -ENOMEM; }

4 weeks

[REGRESSION] stable-rc/linux-5.10.y: (build) in vmlinux (Makefile:1228) [logspec:kbuild,kbuild.other]

by KernelCI bot

Hello, New build issue found on stable-rc/linux-5.10.y: --- in vmlinux (Makefile:1228) [logspec:kbuild,kbuild.other] --- - dashboard: https://d.kernelci.org/i/maestro:4a7e49227ad67aca6aecc527660a789651350429 - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git - commit HEAD: d63899c4b641db97b203729e38c17d606f60404b Please include the KernelCI tag when submitting a fix: Reported-by: kernelci.org bot <bot(a)kernelci.org> Log excerpt: ===================================================== .lds FAILED unresolved symbol filp_close ===================================================== # Builds where the incident occurred: ## cros://chromeos-5.10/x86_64/chromeos-amd-stoneyridge.flavour.config+lab-setup+x86-board+CONFIG_MODULE_COMPRESS=n+CONFIG_MODULE_COMPRESS_NONE=y on (x86_64): - compiler: gcc-14 - config: https://files.kernelci.org/kbuild-gcc-14-x86-chromeos-amd-69413abbcbfd84c3c… - dashboard: https://d.kernelci.org/build/maestro:69413abbcbfd84c3cdbb92a1 ## cros://chromeos-5.10/x86_64/chromeos-intel-pineview.flavour.config+lab-setup+x86-board+CONFIG_MODULE_COMPRESS=n+CONFIG_MODULE_COMPRESS_NONE=y on (x86_64): - compiler: gcc-14 - config: https://files.kernelci.org/kbuild-gcc-14-x86-chromeos-intel-69413abecbfd84c… - dashboard: https://d.kernelci.org/build/maestro:69413abecbfd84c3cdbb92a4 #kernelci issue maestro:4a7e49227ad67aca6aecc527660a789651350429 -- This is an experimental report format. Please send feedback in! Talk to us at kernelci(a)lists.linux.dev Made with love by the KernelCI team - https://kernelci.org

4 weeks

[REGRESSION] stable-rc/linux-5.15.y: (build) variable 'i2cdev' is uninitialized when used here [-Werror,-Wunini...

by KernelCI bot

Hello, New build issue found on stable-rc/linux-5.15.y: --- variable 'i2cdev' is uninitialized when used here [-Werror,-Wuninitialized] in drivers/i3c/master.o (drivers/i3c/master.c) [logspec:kbuild,kbuild.compiler.error] --- - dashboard: https://d.kernelci.org/i/maestro:ba3cb0af22421f02d74e182e1c04c219bca8a4a2 - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git - commit HEAD: 477ebb8a056314097ad9b5b4d340f980062d905e Please include the KernelCI tag when submitting a fix: Reported-by: kernelci.org bot <bot(a)kernelci.org> Log excerpt: ===================================================== drivers/i3c/master.c:2326:3: error: variable 'i2cdev' is uninitialized when used here [-Werror,-Wuninitialized] 2326 | i2cdev->dev = i2c_new_client_device(adap, &i2cboardinfo->base); | ^~~~~~ drivers/i3c/master.c:2304:29: note: initialize the variable 'i2cdev' to silence this warning 2304 | struct i2c_dev_desc *i2cdev; | ^ | = NULL 1 error generated. ===================================================== # Builds where the incident occurred: ## i386_defconfig+allmodconfig+CONFIG_FRAME_WARN=2048 on (i386): - compiler: clang-21 - config: https://files.kernelci.org/kbuild-clang-21-i386-allmodconfig-69413afacbfd84… - dashboard: https://d.kernelci.org/build/maestro:69413afacbfd84c3cdbb92dc #kernelci issue maestro:ba3cb0af22421f02d74e182e1c04c219bca8a4a2 -- This is an experimental report format. Please send feedback in! Talk to us at kernelci(a)lists.linux.dev Made with love by the KernelCI team - https://kernelci.org

4 weeks

FAILED: patch "[PATCH] ALSA: hda: cs35l41: Fix NULL pointer dereference in" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x c34b04cc6178f33c08331568c7fd25c5b9a39f66 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025121644-maximize-mortified-2555@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From c34b04cc6178f33c08331568c7fd25c5b9a39f66 Mon Sep 17 00:00:00 2001 From: Denis Arefev <arefev(a)swemel.ru> Date: Tue, 2 Dec 2025 13:13:36 +0300 Subject: [PATCH] ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi() The acpi_get_first_physical_node() function can return NULL, in which case the get_device() function also returns NULL, but this value is then dereferenced without checking,so add a check to prevent a crash. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems") Cc: stable(a)vger.kernel.org Signed-off-by: Denis Arefev <arefev(a)swemel.ru> Reviewed-by: Richard Fitzgerald <rf(a)opensource.cirrus.com> Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Link: https://patch.msgid.link/20251202101338.11437-1-arefev@swemel.ru diff --git a/sound/hda/codecs/side-codecs/cs35l41_hda.c b/sound/hda/codecs/side-codecs/cs35l41_hda.c index c0f2a3ff77a1..21e00055c0c4 100644 --- a/sound/hda/codecs/side-codecs/cs35l41_hda.c +++ b/sound/hda/codecs/side-codecs/cs35l41_hda.c @@ -1901,6 +1901,8 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i cs35l41->dacpi = adev; physdev = get_device(acpi_get_first_physical_node(adev)); + if (!physdev) + return -ENODEV; sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev)); if (IS_ERR(sub))

4 weeks

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