Ensure that when an invalid value in ret or value is found -EINVAL
is returned. A previous commit broke the way the return error is
being returned and instead caused the return code in ret to be
re-assigned rather than be returned.
Fixes: 5d9854eaea776 ("iio: hid-sensor: Store restore poll and hysteresis on S3")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
        ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id,
                                     st->poll.index, sizeof(value), &value);
        if (ret < 0 || value < 0)
-               ret = -EINVAL;
+               return -EINVAL;
 
        ret = sensor_hub_get_feature(st->hsdev,
                                     st->poll.report_id,
                                     st->sensitivity.index, sizeof(value),
                                     &value);
        if (ret < 0 || value < 0)
-               ret = -EINVAL;
+               return -EINVAL;
 
        ret = sensor_hub_get_feature(st->hsdev,
                                     st->sensitivity.report_id,