iio: adc: ad7606: Fix incorrect type for error return variable

[ Upstream commit c5512e0168 ]

The variable ret is declared as unsigned int but is used to store return
values from functions returning int, which may be negative error codes.

Change ret from unsigned int to int.

Fixes: 849cebf8dc ("iio: adc: ad7606: Add iio-backend support")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Haotian Zhang 2025-12-03 13:08:44 +08:00 • committed by Greg Kroah-Hartman
commit bcb9803aa1