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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>
hifive-unleashed-5.1
Qiao Zhou 2014-09-10 17:54:07 +08:00 committed by Mark Brown
parent 7d1311b93e
commit 8f70e515a8
2 changed files with 10 additions and 2 deletions
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6
sound/soc/soc-compress.c
View File

@ -101,7 +101,11 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
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);
goto fe_err;
} else if (ret == 0) {
dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
fe->dai_link->name, stream ? "capture" : "playback");
}

6
sound/soc/soc-pcm.c
View File

@ -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");
}