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(parent: 8c8a550) | patch
cgroup: remove unnecessary 0 check from css_from_id()
authorJohannes Weiner <hannes@cmpxchg.org>
Fri, 17 Jun 2016 16:24:27 +0000 (12:24 -0400)
committerTejun Heo <tj@kernel.org>
Fri, 17 Jun 2016 18:16:32 +0000 (14:16 -0400)
commitd6ccc55e66ccdbc8ad0eeda14419f8eaccbc246b
tree07dddac3f4c19e16865f5c7cf2a306407ca96564tree | snapshot (tar.gz zip)
parent8c8a5502183c724854afd2f143a72f7eb71b6feacommit | diff
cgroup: remove unnecessary 0 check from css_from_id()

css_idr allocation starts at 1, so index 0 will never point to an
item. css_from_id() currently filters that before asking idr_find(),
but idr_find() would also just return NULL, so this is not needed.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/cgroup.c diff | blob | blame | history