Commit 3379c900 authored by Qianfeng Rong's avatar Qianfeng Rong Committed by Jonathan Cameron
Browse files

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: 5691b234 ("staging:iio:dac: Add AD5421 driver")
Signed-off-by: default avatarQianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20250901135726.17601-3-rongqianfeng@vivo.com


Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent f9381ece

drivers/iio/dac/ad5421.c

+1 −1
Original line number Diff line number Diff line
@@ -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);