Commits
Tejun Heo committed 5857cd637bc
bdi: fix wrong error return value in cgwb_create() On wb_congested_get_create() failure, cgwb_create() forgot to set @ret to -ENOMEM ending up returning 0. Fix it so that it returns -ENOMEM. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jens Axboe <axboe@fb.com>