ALSA: hda - Protect SPDIF-related stuff via spdif_mutex
Add the missing mutex protection or move into the protected part for
SPDIF access codes for codecs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 83f345f..ad319d4d 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1592,10 +1592,10 @@
unsigned int dataDCC2, channel_id;
int i;
struct hdmi_spec *spec = codec->spec;
- struct hda_spdif_out *spdif =
- snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
+ struct hda_spdif_out *spdif;
mutex_lock(&codec->spdif_mutex);
+ spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
chs = substream->runtime->channels;