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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-11-11 22:21:33 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-11-11 16:23:16 +0100 |
| commit | a522409e9ce4605989bfe87793a2f09b00474e94 (patch) | |
| tree | 9cd9f92b4a89810b62f993a29a3bd56f99d0e0d4 | |
| parent | 0c52db8cca7b033d03ebcda652158e2311d5ac64 (diff) | |
| download | linux-a522409e9ce4605989bfe87793a2f09b00474e94.tar.gz linux-a522409e9ce4605989bfe87793a2f09b00474e94.tar.bz2 linux-a522409e9ce4605989bfe87793a2f09b00474e94.zip | |
ALSA: sparc: fix missing unlock on error in snd_cs4231_playback_prepare()
Add the missing unlock before return from function
snd_cs4231_playback_prepare() in the error handling
case.
Fixes: 5a19b178d7b4 ('ALSA: sparc/cs4231: Use WARN_ON() instead of BUG_ON()')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/sparc/cs4231.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index b47f6fe6277f..dbb1b625eb2f 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -907,19 +907,24 @@ static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned long flags; + int ret = 0; spin_lock_irqsave(&chip->lock, flags); chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO); - if (WARN_ON(runtime->period_size > 0xffff + 1)) - return -EINVAL; + if (WARN_ON(runtime->period_size > 0xffff + 1)) { + ret = -EINVAL; + goto out; + } chip->p_periods_sent = 0; + +out: spin_unlock_irqrestore(&chip->lock, flags); - return 0; + return ret; } static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream, |