diff options
| author | Qiao Zhou <zhouqiao@marvell.com> | 2014-09-10 17:54:07 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-09-10 11:40:21 +0100 |
| commit | 8f70e515a8bb6a1908b40b786cb43f6491e8da04 (patch) | |
| tree | fd3a599d5323061479b01137035c588d562ac421 /sound/soc/soc-pcm.c | |
| parent | 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff) | |
ASoC: soc-pcm: fix dpcm_path_get error handling
dpcm_path_get may return -ENOMEM when allocating memory for list
fails. We should not keep processing path or start up dpcm dai in
this case.
Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-pcm.c')
| -rw-r--r-- | sound/soc/soc-pcm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 731fdb5b5f9b..642c86240752 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2352,7 +2352,11 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream) mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); fe->dpcm[stream].runtime = fe_substream->runtime; - if (dpcm_path_get(fe, stream, &list) <= 0) { + ret = dpcm_path_get(fe, stream, &list); + if (ret < 0) { + mutex_unlock(&fe->card->mutex); + return ret; + } else if (ret == 0) { dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", fe->dai_link->name, stream ? "capture" : "playback"); } |