linux-kernel - [PATCH] iio: imu: inv_mpu6050: return callee's error code rather than -EINVAL

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Message-Id: <20231030020752.67630-1-suhui@nfschina.com>
Date:   Mon, 30 Oct 2023 10:07:53 +0800
From:   Su Hui <suhui@...china.com>
To:     jic23@...nel.org, lars@...afoo.de
Cc:     Su Hui <suhui@...china.com>, jean-baptiste.maneyrol@....com,
        chenhuiz@...s.com, andy.shevchenko@...il.com,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] iio: imu: inv_mpu6050: return callee's error code rather than -EINVAL

regmap_bulk_write()/regmap_bulk_read() return zero or negative error
code, return the callee's error code is better than '-EINVAL'.

Signed-off-by: Su Hui <suhui@...china.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 a9a5fb266ef1..5ded0781797c 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -572,7 +572,7 @@ static int inv_mpu6050_sensor_set(struct inv_mpu6050_state  *st, int reg,
 	ind = (axis - IIO_MOD_X) * 2;
 	result = regmap_bulk_write(st->map, reg + ind, &d, sizeof(d));
 	if (result)
-		return -EINVAL;
+		return result;
 
 	return 0;
 }
@@ -586,7 +586,7 @@ static int inv_mpu6050_sensor_show(struct inv_mpu6050_state  *st, int reg,
 	ind = (axis - IIO_MOD_X) * 2;
 	result = regmap_bulk_read(st->map, reg + ind, &d, sizeof(d));
 	if (result)
-		return -EINVAL;
+		return result;
 	*val = (short)be16_to_cpup(&d);
 
 	return IIO_VAL_INT;
-- 
2.30.2