Re: [PATCH] iio: gp2ap020a00f: Fix signedness bug

From: baihaowen
Date: Thu Apr 14 2022 - 21:21:25 EST


在 4/14/22 9:47 PM, Andy Shevchenko 写道:
> On Thu, Apr 14, 2022 at 2:19 PM Haowen Bai <baihaowen@xxxxxxxxx> wrote:
>> function gp2ap020a00f_get_thresh_reg() is unsigned but returning -EINVAL
>> errcode, and thresh_reg_l is unsigned but receiving -EINVAL errcode. so
>> we have to change u8 -> s8.
> s8 is not enough to hold an (arbitrary) error code. To be on the safe
> side you need to use int.
>
Thank you for your suggestion.

--
Haowen Bai