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iio: accel: adxl313: convert to guard(mutex)

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Replace manual mutex_lock/mutex_unlock pair with guard(mutex) in
adxl313_read_axis(). This ensures the mutex is released on all
return paths and allows returning directly without a goto label.

Signed-off-by: Rajveer Chaudhari <rajveer.chaudhari.linux@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Rajveer Chaudhari 2026-03-07 17:19:11 +05:30 committed by Jonathan Cameron
parent 9a2e1233d3
commit c4e7372862
1 changed files with 4 additions and 7 deletions
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11
drivers/iio/accel/adxl313_core.c
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@ -8,6 +8,7 @@
*/
#include <linux/bitfield.h>
#include <linux/cleanup.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/overflow.h>
@ -356,19 +357,15 @@ 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;
return ret;
ret = le16_to_cpu(data->transf_buf);
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,