Commits
Qinghuang Feng committed 57506d50ed6
Btrfs: check return value for kthread_run() correctly kthread_run() returns the kthread or ERR_PTR(-ENOMEM), not NULL. Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>