linux-kernel - Re: [PATCH v3 2/2] selftests: clone3: simplify return logic in clone3_set

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Date:   Thu, 18 Nov 2021 10:43:02 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     shuah@...nel.org, fenghua.yu@...el.com, reinette.chatre@...el.com,
        john.stultz@...aro.org, tglx@...utronix.de,
        akpm@...ux-foundation.org, nathan@...nel.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-mm@...ck.org, llvm@...ts.linux.dev, christian@...uner.io
Subject: Re: [PATCH v3 2/2] selftests: clone3: simplify return logic in clone3_set_tid()

On Thu, Nov 18, 2021 at 2:03 AM Anders Roxell <anders.roxell@...aro.org> wrote:
>
> On Thu, 18 Nov 2021 at 10:58, Anders Roxell <anders.roxell@...aro.org> wrote:
> >
> > Use ksft_exit_* and exit instead of using goto.
> >
>
> I'm sorry, I should have added Nick to this patch, since he suggested it.
>
> Suggested-by: Nick Desaulniers <ndesaulniers@...gle.com>
>
> Cheers,
> Anders
>
> > Signed-off-by: Anders Roxell <anders.roxell@...aro.org>

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> > ---
> >  tools/testing/selftests/clone3/clone3_set_tid.c | 11 +++--------
> >  1 file changed, 3 insertions(+), 8 deletions(-)
> >
> > diff --git a/tools/testing/selftests/clone3/clone3_set_tid.c b/tools/testing/selftests/clone3/clone3_set_tid.c
> > index a755fcd3af89..1b950c3c3b7c 100644
> > --- a/tools/testing/selftests/clone3/clone3_set_tid.c
> > +++ b/tools/testing/selftests/clone3/clone3_set_tid.c
> > @@ -250,7 +250,8 @@ int main(int argc, char *argv[])
> >                  * that all those tests are skipped as non-root.
> >                  */
> >                 ksft_cnt.ksft_xskip += ksft_plan - ksft_test_num();
> > -               goto out;
> > +               ksft_exit_skip(
> > +                       "Please run the remaining tests as root - Exiting.\n");
> >         }
> >
> >         /* Find the current active PID */
> > @@ -371,9 +372,7 @@ int main(int argc, char *argv[])
> >         close(pipe_2[1]);
> >
> >         if (waitpid(ns_pid, &status, 0) < 0) {
> > -               ksft_print_msg("Child returned %s\n", strerror(errno));
> > -               ret = -errno;
> > -               goto out;
> > +               ksft_exit_fail_msg("Child returned %s\n", strerror(errno));
> >         }
> >
> >         if (!WIFEXITED(status))
> > @@ -390,10 +389,6 @@ int main(int argc, char *argv[])
> >                 ksft_test_result_fail(
> >                         "PIDs in all namespaces not as expected (%d,%d,%d)\n",
> >                         ns3, ns2, ns1);
> > -out:
> > -       ret = 0;
> >
> > -       if (ret)
> > -               ksft_exit_fail();
> >         ksft_exit_pass();
> >  }
> > --
> > 2.33.0
> >



-- 
Thanks,
~Nick Desaulniers