[PATCH AUTOSEL 4.18 38/88] iio: sca3000: Fix missing return in switch

[Sasha Levin]

From: "Gustavo A. R. Silva" <gust...@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 <ji...@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
Cc: <sta...@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jonathan.came...@huawei.com>
Signed-off-by: Sasha Levin <alexander.le...@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;
        }
-- 
2.17.1