commit ea9947b4395fa34666086b2fa6f686e94903e047
author Stefan Behrens <sbehrens@giantdisaster.de> Fri May 04 15:16:07 2012 -0400
committer Chris Mason <chris.mason@oracle.com> Fri May 04 15:16:07 2012 -0400
tree 086ab5150fc7f37b2070ab1200bf8b5275c85f06
parent d04b1debc92535453df2494d0b019edf0bb91003

Btrfs: fix crash in scrub repair code when device is missing

Fix that when scrub tries to repair an I/O or checksum error and one of
the devices containing the mirror is missing, it crashes in bio_add_page
because the bdev is a NULL pointer for missing devices.

Reported-by: Marco L. Crociani <marco.crociani@gmail.com>
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>