Re: [PATCH v3 02/29] selftests/resctrl: Return -1 instead of errno on error
From: Reinette Chatre
Date: Wed Dec 13 2023 - 16:54:49 EST
Hi Ilpo,
On 12/11/2023 4:17 AM, Ilpo Järvinen wrote:
> A number of functions in the resctrl selftests return errno. It is
> problematic because errno is positive which is often counterintuitive.
> Also, every sites returning errno prints the error message already with
every sites -> every site
> ksft_perror() so there is not much added value in returning the precise
> error code.
>
> Simply convert all places returning errno to return -1 that is typical
> userspace error code in case of failures.
>
> While at it, improve resctrl_val() comment to state that 0 means the
> test was run (either pass or fail).
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Reinette