[PATCH 72/78] ASoC: codecs: wm8903: Use guard() for mutex locks
| Newsgroups | dev.linux.lists.chrome-platform,dev.linux.lists.asahi,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-mediatek,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-sound |
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| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc <[email protected]> --- sound/soc/codecs/wm8903.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index 320d7737699d..7c87e927836b 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -463,7 +463,7 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol, if (deemph > 1) return -EINVAL; - mutex_lock(&wm8903->lock); + guard(mutex)(&wm8903->lock); if (wm8903->deemph != deemph) { wm8903->deemph = deemph; @@ -471,7 +471,6 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol, ret = 1; } - mutex_unlock(&wm8903->lock); return ret; } -- 2.43.0