[ALSA] hda-intel - Fix NULL dereference in resume

codec->patch_ops.init can be NULL.  Check before calling it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-08-14 15:15:52 +02:00 committed by Jaroslav Kysela
parent 918f3a0e8c
commit 9d99f31262

View File

@ -1677,7 +1677,8 @@ static void hda_call_codec_resume(struct hda_codec *codec)
if (codec->patch_ops.resume)
codec->patch_ops.resume(codec);
else {
codec->patch_ops.init(codec);
if (codec->patch_ops.init)
codec->patch_ops.init(codec);
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
}