If "idr->hint == p" is true, it also implies "idr->hint" is true(not NULL).
Signed-off-by: NLai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: NTejun Heo <tj@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>