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blkcg: fix minor bug in blkg_alloc() 

blkg_alloc() was mistakenly checking blkcg_policy_enabled() twice.
The latter test should have been on whether pol->pd_init_fn() exists.
This doesn't cause actual problems because both blkcg policies
implement pol->pd_init_fn().  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Tejun Heo 2013-01-09 08:05:10 -08:00
parent b226e5c411
commit 356d2e5810
1 changed files with 1 additions and 1 deletions
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2
block/blk-cgroup.c
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@ -114,7 +114,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q,
pd->blkg = blkg;
/* invoke per-policy init */
if (blkcg_policy_enabled(blkg->q, pol))
if (pol->pd_init_fn)
pol->pd_init_fn(blkg);
}