From: "Gustavo A. R. Silva" gustavo@embeddedor.com
[ Upstream commit c5b974bee9d2ceae4c441ae5a01e498c2674e100 ]
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@kernel.org Signed-off-by: Gustavo A. R. Silva gustavo@embeddedor.com Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- 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 4dceb75e3586..4964561595f5 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; }