Re: [PATCH] iio: sca3000: Fix missing return in switch

From: Jonathan Cameron
Date: Sun Jul 08 2018 - 07:05:45 EST


On Sat, 7 Jul 2018 12:44:01 -0500
"Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> wrote:

> The IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY case is missing a
> return and will fall through to the default case and errorenously
> return -EINVAL.
>
> Fix this by adding in missing *return ret*.
>
> Fixes: 626f971b5b07 ("staging:iio:accel:sca3000 Add write support to the low pass filter control")
> Reported-by: Jonathan Cameron <jic23@xxxxxxxxxx>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Thanks, Applied to the fixes-togreg branch of iio.git, marked for stable.

Jonathan
> ---
> drivers/iio/accel/sca3000.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
> index 4dceb75..4964561 100644
> --- a/drivers/iio/accel/sca3000.c
> +++ b/drivers/iio/accel/sca3000.c
> @@ -797,6 +797,7 @@ static int sca3000_write_raw(struct iio_dev *indio_dev,
> mutex_lock(&st->lock);
> ret = sca3000_write_3db_freq(st, val);
> mutex_unlock(&st->lock);
> + return ret;
> default:
> return -EINVAL;
> }