Re: [PATCH] ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer

On Thu, 15 Jun 2023 04:17:32 +0200, Su Hui wrote:

smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be null (see line 2072)

remove redundant assignment, return error if rac97 is NULL.

Fixes: da3cec35dd3c ("ALSA: Kill snd_assert() in sound/pci/*") Signed-off-by: Su Hui suhui@nfschina.com

Thanks, applied.

Takashi