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(parent: 96f7274) | 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)
commit346e840f8fe86026e46574a03aeee84ddf165b50
tree07dddac3f4c19e16865f5c7cf2a306407ca96564tree | snapshot
parent96f7274ec34a8748ab96d7bd10c31d858eb4390ecommit | 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 | history
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