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[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
1 changed files with 2 additions and 1 deletions
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3
sound/pci/hda/hda_codec.c
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@ -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);
}