[PATCH 2/3] iio: accel: adxl313_core: use guard() to release mutex

[Sanjay Chitroda <sanjayembeddedse@gmail.com>]

From: Sanjay Chitroda <sanjayembeddedse@gmail.com>

Replace explicit mutex_lock() and mutex_unlock() with the guard() macro
for cleaner and safer mutex handling.

Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
---
 drivers/iio/accel/adxl313_core.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c
index 2ca4ce90cd86..339570701083 100644
--- a/drivers/iio/accel/adxl313_core.c
+++ b/drivers/iio/accel/adxl313_core.c
@@ -356,19 +356,15 @@ static int adxl313_read_axis(struct adxl313_data *data,
 {
 	int ret;
 
-	mutex_lock(&data->lock);
+	guard(mutex)(&data->lock);
 
 	ret = regmap_bulk_read(data->regmap,
 			       ADXL313_REG_DATA_AXIS(chan->address),
 			       &data->transf_buf, sizeof(data->transf_buf));
 	if (ret)
-		goto unlock_ret;
-
-	ret = le16_to_cpu(data->transf_buf);
+		return ret;
 
-unlock_ret:
-	mutex_unlock(&data->lock);
-	return ret;
+	return le16_to_cpu(data->transf_buf);
 }
 
 static int adxl313_read_freq_avail(struct iio_dev *indio_dev,
-- 
2.34.1