diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-07-05 05:44:46 -0400 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-07-05 05:44:46 -0400 |
commit | aba6653617754e12763a0d3c9dda332b66190a50 (patch) | |
tree | 7facb76ceb0c3e2a01daaeb13bac3f145ac9eb9c | |
parent | 02358fcfa54ce018a0bb56ca9f5a898de574a9d3 (diff) |
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>
-rw-r--r-- | sound/pci/hda/hda_intel.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1877d95d4aa6..16e09d740572 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) | |||
1455 | return err; | 1455 | return err; |
1456 | } | 1456 | } |
1457 | snd_pcm_limit_hw_rates(runtime); | 1457 | snd_pcm_limit_hw_rates(runtime); |
1458 | /* sanity check */ | ||
1459 | if (snd_BUG_ON(!runtime->hw.channels_min) || | ||
1460 | snd_BUG_ON(!runtime->hw.channels_max) || | ||
1461 | snd_BUG_ON(!runtime->hw.formats) || | ||
1462 | snd_BUG_ON(!runtime->hw.rates)) { | ||
1463 | azx_release_device(azx_dev); | ||
1464 | hinfo->ops.close(hinfo, apcm->codec, substream); | ||
1465 | snd_hda_power_down(apcm->codec); | ||
1466 | mutex_unlock(&chip->open_mutex); | ||
1467 | return -EINVAL; | ||
1468 | } | ||
1458 | spin_lock_irqsave(&chip->reg_lock, flags); | 1469 | spin_lock_irqsave(&chip->reg_lock, flags); |
1459 | azx_dev->substream = substream; | 1470 | azx_dev->substream = substream; |
1460 | azx_dev->running = 0; | 1471 | azx_dev->running = 0; |
@@ -1463,13 +1474,6 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) | |||
1463 | runtime->private_data = azx_dev; | 1474 | runtime->private_data = azx_dev; |
1464 | snd_pcm_set_sync(substream); | 1475 | snd_pcm_set_sync(substream); |
1465 | mutex_unlock(&chip->open_mutex); | 1476 | mutex_unlock(&chip->open_mutex); |
1466 | |||
1467 | if (snd_BUG_ON(!runtime->hw.channels_min || !runtime->hw.channels_max)) | ||
1468 | return -EINVAL; | ||
1469 | if (snd_BUG_ON(!runtime->hw.formats)) | ||
1470 | return -EINVAL; | ||
1471 | if (snd_BUG_ON(!runtime->hw.rates)) | ||
1472 | return -EINVAL; | ||
1473 | return 0; | 1477 | return 0; |
1474 | } | 1478 | } |
1475 | 1479 | ||