From: Colin Ian King <colin.k...@canonical.com>

For a IIO_VOLTAGE case, ret is not being set causing an
uninitialized value being returned by ad7746_read_raw. Fix
this by setting ret to IIO_VAL_INT for this specific case.

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 drivers/staging/iio/cdc/ad7746.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index f41251c..a5828f9 100644
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -642,6 +642,7 @@ static int ad7746_read_raw(struct iio_dev *indio_dev,
                case IIO_VOLTAGE:
                        *val = ad7746_vt_filter_rate_table[
                                        (chip->config >> 6) & 0x3][0];
+                       ret = IIO_VAL_INT;
                        break;
                default:
                        ret = -EINVAL;
-- 
2.9.3

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