diff --git a/[refs] b/[refs]
index 015a2619a63a..831bc6e08bd8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 70d321e6380f128096429d6e5b678f94ab0cef5d
+refs/heads/master: c470331e69bd54d11a9ea3c27a0e4ad783d02d6b
diff --git a/trunk/sound/pci/hda/hda_intel.c b/trunk/sound/pci/hda/hda_intel.c
index b36dc46615a4..1877d95d4aa6 100644
--- a/trunk/sound/pci/hda/hda_intel.c
+++ b/trunk/sound/pci/hda/hda_intel.c
@@ -1464,6 +1464,12 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
 	snd_pcm_set_sync(substream);
 	mutex_unlock(&chip->open_mutex);
 
+	if (snd_BUG_ON(!runtime->hw.channels_min || !runtime->hw.channels_max))
+		return -EINVAL;
+	if (snd_BUG_ON(!runtime->hw.formats))
+		return -EINVAL;
+	if (snd_BUG_ON(!runtime->hw.rates))
+		return -EINVAL;
 	return 0;
 }