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author | 2022-02-01 13:21:44 +0200 | |
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committer | 2022-02-01 15:18:17 +0100 | |
commit | 1c7f0e349aa5f8f80b1cac3d4917405332e14cdf (patch) | |
tree | 3b7404cab2ee6ec501dca68f21c04d00d078aca7 /include | |
parent | ALSA: usb-audio: Correct quirk for VF0770 (diff) | |
download | linux-1c7f0e349aa5f8f80b1cac3d4917405332e14cdf.tar.gz linux-1c7f0e349aa5f8f80b1cac3d4917405332e14cdf.tar.bz2 linux-1c7f0e349aa5f8f80b1cac3d4917405332e14cdf.zip |
ALSA: hda: Skip codec shutdown in case the codec is not registered
If the codec->registered is not set then it means that pm_runtime is
not yet enabled and the codec->pcm_list_head has not been initialized.
The access to the not initialized pcm_list_head will lead a kernel crash
during shutdown.
Reported-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Tested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Fixes: b98444ed597d ("ALSA: hda: Suspend codec at shutdown")
Link: https://lore.kernel.org/r/20220201112144.29411-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions