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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /sound/pci/hda/patch_hdmi.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index d0d5ad8be..56e5204ac 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1680,6 +1680,11 @@ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
mutex_lock(&codec->spdif_mutex);
spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
+ /* Add sanity check to pass klockwork check.
+ * This should never happen.
+ */
+ if (WARN_ON(spdif == NULL))
+ return true;
non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
mutex_unlock(&codec->spdif_mutex);
return non_pcm;