iio:imu:adis16400 remove an unneeded check

We know "ret" is zero here so there is no need to check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 368660d..411586f 100644 (file)
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -281,7 +281,7 @@ static ssize_t adis16400_write_frequency(struct device *dev,
        st->variant->set_freq(st, val);
        mutex_unlock(&indio_dev->mlock);
 
-       return ret ? ret : len;
+       return len;
 }
 
 /* Power down the device */