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Sat, 18 Apr 2026 07:45:02 -0700 (PDT) Received: from fedora ([149.3.87.76]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fc16f93dsm205105925e9.3.2026.04.18.07.45.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Apr 2026 07:45:01 -0700 (PDT) From: Giorgi Tchankvetadze To: antoniu.miclaus@analog.com, lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Giorgi Tchankvetadze Subject: [PATCH] iio: adc: ti-ads7924: Use guard(mutex) for locking Date: Sat, 18 Apr 2026 18:44:32 +0400 Message-ID: <20260418144431.138815-2-giorgitchankvetadze1997@gmail.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace mutex_lock()/mutex_unlock() calls with guard(mutex)() to simplify locking and make cleanup automatic when the lock goes out of scope. Signed-off-by: Giorgi Tchankvetadze --- drivers/iio/adc/ti-ads7924.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ti-ads7924.c b/drivers/iio/adc/ti-ads7924.c index bbcc4fc22b6e..21bd5cb973f4 100644 --- a/drivers/iio/adc/ti-ads7924.c +++ b/drivers/iio/adc/ti-ads7924.c @@ -12,6 +12,7 @@ */ =20 #include +#include #include #include #include @@ -226,14 +227,13 @@ static int ads7924_read_raw(struct iio_dev *indio_dev, struct ads7924_data *data =3D iio_priv(indio_dev); =20 switch (mask) { - case IIO_CHAN_INFO_RAW: - mutex_lock(&data->lock); + case IIO_CHAN_INFO_RAW: { + guard(mutex)(&data->lock); ret =3D ads7924_get_adc_result(data, chan, val); - mutex_unlock(&data->lock); if (ret < 0) return ret; - return IIO_VAL_INT; + } case IIO_CHAN_INFO_SCALE: vref_uv =3D regulator_get_voltage(data->vref_reg); if (vref_uv < 0) --=20 2.52.0