diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-07-11 17:59:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-11 16:10:09 -0700 |
| commit | a0f8b1ca745aa237d690740f662a4e71d000941a (patch) | |
| tree | e74c4264748d0dac4cc2526d1bdc4153c4a57b2d /sound/arm/pxa2xx-pcm-lib.c | |
| parent | 475274c68b42752d252021714895b56ee43e52f4 (diff) | |
ALSA: pxa2xx: Fix unlocked snd_pcm_stop() call
commit 46f6c1aaf790be9ea3c8ddfc8f235a5f677d08e2 upstream.
snd_pcm_stop() must be called in the PCM substream lock context.
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/arm/pxa2xx-pcm-lib.c')
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index 76e0d569507..823359ed95e 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -166,7 +166,9 @@ void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id) } else { printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n", rtd->params->name, dma_ch, dcsr); + snd_pcm_stream_lock(substream); snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock(substream); } } EXPORT_SYMBOL(pxa2xx_pcm_dma_irq); |