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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3081e5d0828sm24616275eec.10.2026.06.17.03.41.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 03:41:13 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown Cc: Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Cheng-Yi Chiang , Tzung-Bi Shih , Guenter Roeck , Benson Leung , David Rhodes , Richard Fitzgerald , povik+lin@cutebit.org, Charles Keepax , Support Opensource , Nick Li , Herve Codina , Srinivas Kandagatla , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Oder Chiou , Lars-Peter Clausen , nuno.sa@analog.com, Steven Eckhoff , patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bui duc phuc Subject: [PATCH 53/78] ASoC: codecs: sta350: Use guard() for mutex locks Date: Wed, 17 Jun 2026 17:32:10 +0700 Message-ID: <20260617103235.449609-54-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260617103235.449609-1-phucduc.bui@gmail.com> References: <20260617103235.449609-1-phucduc.bui@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260617_034114_142168_28197D73 X-CRM114-Status: GOOD ( 12.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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/codecs/sta350.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/sta350.c b/sound/soc/codecs/sta350.c index 99c7f7ac807b..b1e2f346c647 100644 --- a/sound/soc/codecs/sta350.c +++ b/sound/soc/codecs/sta350.c @@ -306,9 +306,9 @@ static int sta350_coefficient_get(struct snd_kcontrol *kcontrol, int numcoef = kcontrol->private_value >> 16; int index = kcontrol->private_value & 0xffff; unsigned int cfud, val; - int i, ret = 0; + int i; - mutex_lock(&sta350->coeff_lock); + guard(mutex)(&sta350->coeff_lock); /* preserve reserved bits in STA350_CFUD */ regmap_read(sta350->regmap, STA350_CFUD, &cfud); @@ -325,8 +325,7 @@ static int sta350_coefficient_get(struct snd_kcontrol *kcontrol, } else if (numcoef == 5) { regmap_write(sta350->regmap, STA350_CFUD, cfud | 0x08); } else { - ret = -EINVAL; - goto exit_unlock; + return -EINVAL; } for (i = 0; i < 3 * numcoef; i++) { @@ -334,10 +333,7 @@ static int sta350_coefficient_get(struct snd_kcontrol *kcontrol, ucontrol->value.bytes.data[i] = val; } -exit_unlock: - mutex_unlock(&sta350->coeff_lock); - - return ret; + return 0; } static int sta350_coefficient_put(struct snd_kcontrol *kcontrol, -- 2.43.0