diff --git a/drivers/staging/iio/adc/ad7150.c b/drivers/staging/iio/adc/ad7150.c
index 89434205b6f1..d1767d8f8bdb 100644
--- a/drivers/staging/iio/adc/ad7150.c
+++ b/drivers/staging/iio/adc/ad7150.c
@@ -332,8 +332,8 @@ static int ad7150_write_event_value(struct iio_dev *indio_dev,
 	/* write back if active */
 	ret = ad7150_write_event_params(indio_dev, event_code);
 
-	mutex_unlock(&chip->state_lock);
 error_ret:
+	mutex_unlock(&chip->state_lock);
 	return ret;
 }