iio:cdc:ad7150: Fix use of uninitialized ret

This doesn't appear to generate a warning on all versions of GCC, but
0-day reported it and the report looks valid.

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/cdc/ad7150.c b/drivers/iio/cdc/ad7150.c
index f9cce1a..ebe112b 100644 (file)
--- a/drivers/iio/cdc/ad7150.c
+++ b/drivers/iio/cdc/ad7150.c
@@ -235,7 +235,7 @@ static int ad7150_write_event_config(struct iio_dev *indio_dev,
                                     enum iio_event_direction dir, int state)
 {
        struct ad7150_chip_info *chip = iio_priv(indio_dev);
-       int ret;
+       int ret = 0;
 
        /*
         * There is only a single shared control and no on chip