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linux/sound/usb/clock.c
Chengfeng Ye b97053df0f ALSA: usb-audio: fix null pointer dereference on pointer cs_desc 
The pointer cs_desc return from snd_usb_find_clock_source could
be null, so there is a potential null pointer dereference issue.
Fix this by adding a null check before dereference.

Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Link: https://lore.kernel.org/r/20211024111736.11342-1-cyeaa@connect.ust.hk
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-10-26 08:05:23 +02:00

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