From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> We need to use mutex_lock() for priv->cnt / priv->iface, but we are missing it at ak4613_dai_startup(). This patch adds missing mutex_lock() for it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- sound/soc/codecs/ak4613.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c index 034195c83bd7..e0d9a8c58e10 100644 --- a/sound/soc/codecs/ak4613.c +++ b/sound/soc/codecs/ak4613.c @@ -304,7 +304,9 @@ static int ak4613_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct ak4613_priv *priv = snd_soc_component_get_drvdata(component); + mutex_lock(&priv->lock); priv->cnt++; + mutex_unlock(&priv->lock); ak4613_hw_constraints(priv, substream->runtime); -- 2.25.1
