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-rw-r--r--sound/pci/hda/hda_intel.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b36dc46..1877d95 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/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;
}