linux-kernel - Re: [PATCH v2] iio: imu: inv_mpu6050: fix an error code problem in inv_mpu6050_read

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Date:   Fri, 27 Oct 2023 14:59:49 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Su Hui <suhui@...china.com>
Cc:     Jonathan.Cameron@...wei.com, lars@...afoo.de,
        jean-baptiste.maneyrol@....com, andy.shevchenko@...il.com,
        chenhuiz@...s.com, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v2] iio: imu: inv_mpu6050: fix an error code problem in
 inv_mpu6050_read_raw

On Mon, 23 Oct 2023 12:05:52 +0800
Su Hui <suhui@...china.com> wrote:

> inv_mpu6050_sensor_show() can return -EINVAL or IIO_VAL_INT. Return the
> true value rather than only return IIO_VAL_INT.
> 
> Signed-off-by: Su Hui <suhui@...china.com>

If you can figure out a fixes tag that would be great.  Just reply to this thread
with it and I'll pick it up from here.
> ---
> 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;