On Fri, Mar 30, 2012 at 12:50 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> This causes a new warning for me:
>
>  fs/btrfs/extent_io.c: In function ‘repair_eb_io_failure’:
>  fs/btrfs/extent_io.c:1940:6: warning: ‘ret’ may be used
> uninitialized in this function
>
> Hmm?

Ok, so presumably num_pages (which is "num_extent_pages(eb->start,
eb->len)") cannot be zero, so I guess the code is ok. But gcc can't
know that, and it's an annoying warning.

So please fix, but it's not urgent. In the meantime I've pulled and pushed out.

                    Linus
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