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-rw-r--r--sound/pci/hda/patch_hdmi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 2e2c382fe4b5..93760a3564cf 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1848,8 +1848,10 @@ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
- if (WARN_ON(spdif == NULL))
+ if (WARN_ON(spdif == NULL)) {
+ mutex_unlock(&codec->spdif_mutex);
return true;
+ }
non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
mutex_unlock(&codec->spdif_mutex);
return non_pcm;