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ALSA: echoaudio: Fix potential Oops in snd_echo_resume()
authorDinghao Liu <dinghao.liu@zju.edu.cn>
Thu, 13 Aug 2020 07:46:30 +0000 (15:46 +0800)
committerTakashi Iwai <tiwai@suse.de>
Thu, 13 Aug 2020 09:21:05 +0000 (11:21 +0200)
commit39c188449a7fa75b157e44f95df3a6f056e00eeb
treead3e94516416883941fd0fe5e68265f45e599daftree | snapshot
parenta8f2bd5ddda52a03300991c472fe5f903308d378commit | diff
ALSA: echoaudio: Fix potential Oops in snd_echo_resume()

Freeing chip on error may lead to an Oops at the next time
the system goes to resume. Fix this by removing all
snd_echo_free() calls on error.

Fixes: 5448330c86fbd ("ALSA: Echoaudio - Add suspend support #2")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20200813074632.17022-1-dinghao.liu@zju.edu.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/echoaudio/echoaudio.c diff | blob | history
Linux Kernel Source Tree.