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-rw-r--r--block/blk-cgroup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 6a82ca3fb5cf..78ccbdcfe723 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1475,7 +1475,8 @@ int blkcg_policy_register(struct blkcg_policy *pol)
blkcg->cpd[pol->plid] = cpd;
cpd->blkcg = blkcg;
cpd->plid = pol->plid;
- pol->cpd_init_fn(cpd);
+ if (pol->cpd_init_fn)
+ pol->cpd_init_fn(cpd);
}
}