diff options
| -rw-r--r-- | block/blk-cgroup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index fa063c6c0338..d53b0d69dd73 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -82,6 +82,8 @@ static void blkg_free(struct blkcg_gq *blkg) if (blkg->pd[i]) blkcg_policy[i]->pd_free_fn(blkg->pd[i]); + if (blkg->q) + blk_put_queue(blkg->q); free_percpu(blkg->iostat_cpu); percpu_ref_exit(&blkg->refcnt); kfree(blkg); @@ -167,6 +169,9 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q, if (!blkg->iostat_cpu) goto err_free; + if (!blk_get_queue(q)) + goto err_free; + blkg->q = q; INIT_LIST_HEAD(&blkg->q_node); spin_lock_init(&blkg->async_bio_lock); |