From: Kuninori Morimoto Date: Tue, 5 Apr 2022 02:06:08 +0000 (+0000) Subject: ASoC: ak4613: add missing mutex_lock() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3407e36dc78f4a980588c9347076aee9925ca51f;p=linux.git ASoC: ak4613: add missing mutex_lock() 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 Link: https://lore.kernel.org/r/87fsmsp9m7.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c index 034195c83bd7e..e0d9a8c58e10f 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);