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[ALSA] hda-intel - Fix NULL dereference in resume
author
Takashi Iwai
<tiwai@suse.de>
Tue, 14 Aug 2007 13:15:52 +0000
(15:15 +0200)
committer
Jaroslav Kysela
<perex@perex.cz>
Tue, 16 Oct 2007 13:58:55 +0000
(15:58 +0200)
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>
sound/pci/hda/hda_codec.c
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diff --git
a/sound/pci/hda/hda_codec.c
b/sound/pci/hda/hda_codec.c
index
efd56a3
..
fc1ddf4
100644
(file)
--- a/
sound/pci/hda/hda_codec.c
+++ b/
sound/pci/hda/hda_codec.c
@@
-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);
}