Modify the error handling flow by release lock. The require pcm_mutex will keep holding if open fail.
Fixes: aa9ff6a4955f ("ASoC: soc-compress: Reposition and add pcm_mutex") Signed-off-by: yixuanjiang yixuanjiang@google.com Cc: stable@vger.kernel.org # v5.15+ --- sound/soc/soc-compress.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 256e45001f85..b6727b91dd85 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -166,6 +166,7 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream) snd_soc_dai_compr_shutdown(cpu_dai, cstream, 1); out: dpcm_path_put(&list); + mutex_unlock(&fe->card->pcm_mutex); be_err: fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; mutex_unlock(&fe->card->mutex);