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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bd5d0fd856sm54530385ad.66.2026.05.15.04.25.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 04:25:19 -0700 (PDT) From: phucduc.bui@gmail.com To: olivier.moysan@foss.st.com, arnaud.pouliquen@foss.st.com, broonie@kernel.org Cc: lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, linux-sound@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v2 1/4] ASoC: stm: stm32_adfsdm: Use guard() for mutex locks Date: Fri, 15 May 2026 18:24:55 +0700 Message-ID: <20260515112458.34378-2-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260515112458.34378-1-phucduc.bui@gmail.com> References: <20260515112458.34378-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc --- sound/soc/stm/stm32_adfsdm.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c index 0f6d32814c22..a585cb9fc011 100644 --- a/sound/soc/stm/stm32_adfsdm.c +++ b/sound/soc/stm/stm32_adfsdm.c @@ -62,12 +62,11 @@ static void stm32_adfsdm_shutdown(struct snd_pcm_substream *substream, { struct stm32_adfsdm_priv *priv = snd_soc_dai_get_drvdata(dai); - mutex_lock(&priv->lock); + guard(mutex)(&priv->lock); if (priv->iio_active) { iio_channel_stop_all_cb(priv->iio_cb); priv->iio_active = false; } - mutex_unlock(&priv->lock); } static int stm32_adfsdm_dai_prepare(struct snd_pcm_substream *substream, @@ -76,7 +75,7 @@ static int stm32_adfsdm_dai_prepare(struct snd_pcm_substream *substream, struct stm32_adfsdm_priv *priv = snd_soc_dai_get_drvdata(dai); int ret; - mutex_lock(&priv->lock); + guard(mutex)(&priv->lock); if (priv->iio_active) { iio_channel_stop_all_cb(priv->iio_cb); priv->iio_active = false; @@ -88,7 +87,7 @@ static int stm32_adfsdm_dai_prepare(struct snd_pcm_substream *substream, if (ret < 0) { dev_err(dai->dev, "%s: Failed to set %d sampling rate\n", __func__, substream->runtime->rate); - goto out; + return ret; } if (!priv->iio_active) { @@ -100,9 +99,6 @@ static int stm32_adfsdm_dai_prepare(struct snd_pcm_substream *substream, __func__, ret); } -out: - mutex_unlock(&priv->lock); - return ret; } -- 2.43.0