Re: [PATCH] tmpfs: fix uninitialized return value in shmem_link

From: Linus Torvalds
Date: Mon Feb 25 2019 - 19:07:35 EST

On Mon, Feb 25, 2019 at 4:03 PM Qian Cai <cai@xxxxxx> wrote:
> >
> > Of course, that's just gcc. I have no idea what llvm ends up doing.
> Clang 7.0:
> # clang -O2 -S -Wall /tmp/test.c
> /tmp/test.c:46:6: warning: variable 'ret' is used uninitialized whenever 'if'
> condition is false [-Wsometimes-uninitialized]

Ok, good.

Do we have any clang builds in any of the zero-day robot
infrastructure or something? Should we?

And maybe this was how Dan noticed the problem in the first place? Or
is it just because of his eagle-eyes?