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 --- sound/soc/soc-compress.c | 7 +++++-- sound/soc/soc-pcm.c | 7 +++++-- 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 27c06ac..b969a13 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -101,10 +101,13 @@ 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"); - }

/* calculate valid and active FE <-> BE dpcms */ dpcm_process_paths(fe, stream, &list, 1); diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 731fdb5..d341777 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2352,10 +2352,13 @@ 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"); - }

/* calculate valid and active FE <-> BE dpcms */ dpcm_process_paths(fe, stream, &list, 1);