ASoC: soc-pcm: use goto and remove multi return

When we use some kind of lock, we need to do unlock.
In that time, multi unlock/return is not good implementation.
This patch add label and use goto at dpcm_fe_dai_open()
to reduce such code.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/877e0lboty.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2020-02-17 17:28:11 +09:00 committed by Mark Brown
parent 085d22be03
commit cae06eb925
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@ -2733,8 +2733,7 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream)
ret = dpcm_path_get(fe, stream, &list); ret = dpcm_path_get(fe, stream, &list);
if (ret < 0) { if (ret < 0) {
mutex_unlock(&fe->card->mutex); goto open_end;
return ret;
} else if (ret == 0) { } else if (ret == 0) {
dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
fe->dai_link->name, stream ? "capture" : "playback"); fe->dai_link->name, stream ? "capture" : "playback");
@ -2755,6 +2754,7 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream)
dpcm_clear_pending_state(fe, stream); dpcm_clear_pending_state(fe, stream);
dpcm_path_put(&list); dpcm_path_put(&list);
open_end:
mutex_unlock(&fe->card->mutex); mutex_unlock(&fe->card->mutex);
return ret; return ret;
} }