workqueue: Add back __printf format validation

commit 669de8bda87b ("kernel/workqueue: Use dynamic lockdep keys for
workqueues") indirectly removed the printf validation for alloc_workqueue.

Add it back.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
1 file changed