diff options
| author | Qianfeng Rong <rongqianfeng@vivo.com> | 2025-09-01 21:57:26 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-09-01 20:43:43 +0100 |
| commit | 3379c900320954d768ed9903691fb2520926bbe3 (patch) | |
| tree | 5dd84302e1883d5a221ba35a31cf7e4676dc354a | |
| parent | f9381ece76de999a2065d5b4fdd87fa17883978c (diff) | |
iio: dac: ad5421: use int type to store negative error codes
Change the 'ret' variable in ad5421_update_ctrl() from unsigned int to
int, as it needs to store either negative error codes or zero returned
by ad5421_write_unlocked().
Fixes: 5691b23489db ("staging:iio:dac: Add AD5421 driver")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20250901135726.17601-3-rongqianfeng@vivo.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/dac/ad5421.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 1462ee640b16..d9d7031c4432 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -186,7 +186,7 @@ static int ad5421_update_ctrl(struct iio_dev *indio_dev, unsigned int set, unsigned int clr) { struct ad5421_state *st = iio_priv(indio_dev); - unsigned int ret; + int ret; mutex_lock(&st->lock); |