Btrfs devel - Apr 2011 - fs/btrfs/inode.c:6039: warning: ‘bio’ is used uninitialized in this function

fs/btrfs/inode.c: In function ‘btrfs_submit_direct_hook’:
fs/btrfs/inode.c:6039: warning: ‘bio’ is used uninitialized in this function

`BIO_BUG_ON(!atomic_read(&bio->bi_cnt))'' in bio_put() later will
blow up nicely
when passed a random pointer on the stack.

Introduced by commit 02f57c7aedef1a537f4b16db7061cdd8efa3bb4e
("Btrfs: don''t split dio bios if we don''t have to").

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There''s lots of Linux beyond ia32 --
geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I''m talking to journalists I just say "programmer" or
something like that.
                                -- Linus Torvalds