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authorTakashi Iwai <tiwai@suse.de>2009-07-05 11:44:46 +0200
committerTakashi Iwai <tiwai@suse.de>2009-07-05 11:44:46 +0200
commitaba6653617754e12763a0d3c9dda332b66190a50 (patch)
tree7facb76ceb0c3e2a01daaeb13bac3f145ac9eb9c /sound
parent02358fcfa54ce018a0bb56ca9f5a898de574a9d3 (diff)
downloadop-kernel-dev-aba6653617754e12763a0d3c9dda332b66190a50.zip
op-kernel-dev-aba6653617754e12763a0d3c9dda332b66190a50.tar.gz
ALSA: hda - Fix error path in the sanity check in azx_pcm_open()
Release resources cleanly after errors in the sanity check in azx_pcm_open(). Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_intel.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 1877d95..16e09d7 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1455,6 +1455,17 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
return err;
}
snd_pcm_limit_hw_rates(runtime);
+ /* sanity check */
+ if (snd_BUG_ON(!runtime->hw.channels_min) ||
+ snd_BUG_ON(!runtime->hw.channels_max) ||
+ snd_BUG_ON(!runtime->hw.formats) ||
+ snd_BUG_ON(!runtime->hw.rates)) {
+ azx_release_device(azx_dev);
+ hinfo->ops.close(hinfo, apcm->codec, substream);
+ snd_hda_power_down(apcm->codec);
+ mutex_unlock(&chip->open_mutex);
+ return -EINVAL;
+ }
spin_lock_irqsave(&chip->reg_lock, flags);
azx_dev->substream = substream;
azx_dev->running = 0;
@@ -1463,13 +1474,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
runtime->private_data = azx_dev;
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;
}
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