diff options
| author | Qianfeng Rong <rongqianfeng@vivo.com> | 2025-09-01 16:57:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-19 17:30:49 +0300 |
| commit | 3f88f4e8f1780ecd8545cb4ea21993b4e7613ce6 (patch) | |
| tree | e5f32c4de9c060f2744e13deffe7c8209da22bd2 /drivers/iio | |
| parent | a832682cf6c91391343de0d819d64c0b6a09dbfd (diff) | |
| download | linux-3f88f4e8f1780ecd8545cb4ea21993b4e7613ce6.tar.xz | |
iio: dac: ad5421: use int type to store negative error codes
commit 3379c900320954d768ed9903691fb2520926bbe3 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
| -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 7644acfd879e..9228e3cee1b8 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); |