[hirofumi@mail.parknet.co.jp: discard _after_ checking for corrupt chains]
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>