[CRIU] [PATCH] cr-check: Inspect errno of prctl calls

[Filipe Brandenburger]

Hi Pavel,

On Mon, Mar 14, 2016 at 1:44 AM, Pavel Emelyanov <xemul at virtuozzo.com> wrote:
>> +             if (ret < 0) {
>> +                     if (errno == -EPERM)
>
> errno-s contain positive codes.

Yes I realized that after sending the patch... I also found other
parts where it's still checking "ret" instead of "errno" so I started
working on a more thorough fix. Will send you an updated patch
shortly.

>>                       pr_msg("prctl: PR_SET_MM_EXE_FILE is not supported (%d)\n", ret);
>
> Printing ret would be not informative, please, print errno instead.

Ah good catch! I hadn't noticed that, will update that now as well.

Cheers,
Filipe