Make sure to properly clamp maxnum to avoid overflow
Signed-off-by: NChris Wright <chrisw@sous-sol.org>
Acked-by: NEugene Teo <eteo@redhat.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>