linux-kernel - [PATCH v3] iio: imu: inv_mpu6050: fix an error code problem in inv_mpu6050_read

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Message-Id: <20231030020218.65728-1-suhui@nfschina.com>
Date:   Mon, 30 Oct 2023 10:02:19 +0800
From:   Su Hui <suhui@...china.com>
To:     jic23@...nel.org, lars@...afoo.de
Cc:     Su Hui <suhui@...china.com>, jean-baptiste.maneyrol@....com,
        andy.shevchenko@...il.com, chenhuiz@...s.com, mranostay@...il.com,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH v3] iio: imu: inv_mpu6050: fix an error code problem in inv_mpu6050_read_raw

inv_mpu6050_sensor_show() can return -EINVAL or IIO_VAL_INT. Return the
true value rather than only return IIO_VAL_INT.

Fixes: d5098447147c ("iio: imu: mpu6050: add calibration offset support")
Signed-off-by: Su Hui <suhui@...china.com>
---
v3:
 - add Fixes tag
v2:
 - fix the error of commit title.
v1: 
 - https://lore.kernel.org/all/20231020091413.205743-2-suhui@nfschina.com/

 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 29f906c884bd..a9a5fb266ef1 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -749,13 +749,13 @@ inv_mpu6050_read_raw(struct iio_dev *indio_dev,
 			ret = inv_mpu6050_sensor_show(st, st->reg->gyro_offset,
 						chan->channel2, val);
 			mutex_unlock(&st->lock);
-			return IIO_VAL_INT;
+			return ret;
 		case IIO_ACCEL:
 			mutex_lock(&st->lock);
 			ret = inv_mpu6050_sensor_show(st, st->reg->accl_offset,
 						chan->channel2, val);
 			mutex_unlock(&st->lock);
-			return IIO_VAL_INT;
+			return ret;
 
 		default:
 			return -EINVAL;
-- 
2.30.2