Re: [PATCH] selftests: proc: remove unreached code and fix build warning

From: Alexey Dobriyan
Date: Fri Jun 07 2024 - 11:26:02 EST


On Tue, Jun 04, 2024 at 08:25:31PM -0700, Andrew Morton wrote:
> On Mon, 3 Jun 2024 17:24:47 +0300 Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote:
>
> > On Mon, Jun 03, 2024 at 02:42:20PM +0200, Amer Al Shanawany wrote:
> > > fix the following warning:
> > > proc-empty-vm.c:385:17: warning: ignoring return value of ‘write’
> >
> > > --- a/tools/testing/selftests/proc/proc-empty-vm.c
> > > +++ b/tools/testing/selftests/proc/proc-empty-vm.c
> > > @@ -381,9 +381,6 @@ static int test_proc_pid_statm(pid_t pid)
> >
> > > - if (0) {
> > > - write(1, buf, rv);
> > > - }
> >
> > no thanks
>
> Why not?
>
> Why does that code exist anyway? It at least needs a comment.

OK, whatever.

If test fails, it better record buggy output somewhere (to coredump or to terminal).