cgroup: remove unnecessary 0 check from css_from_id()

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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>

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Johannes Weiner 2016-06-17 12:24:27 -04:00 • committed by Tejun Heo

parent 8c8a550218

commit d6ccc55e66

1 changed files with 1 additions and 1 deletions

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kernel/cgroup.c

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