[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>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index efd56a3..fc1ddf4 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1677,7 +1677,8 @@
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);
}