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blkcg: fix double free of new_blkg in blkcg_init_queue

If blkg_create fails, new_blkg passed as an argument will
be freed by blkg_create, so there is no need to free it again.

Signed-off-by: Hou Tao <>
Signed-off-by: Jens Axboe <>
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Hou Tao authored and axboe committed Feb 3, 2017
1 parent 0cacba6 commit 9b54d816e00425c3a517514e0d677bb3cec49258
Showing with 1 addition and 3 deletions.
  1. +1 −3 block/blk-cgroup.c
@@ -1079,10 +1079,8 @@ int blkcg_init_queue(struct request_queue *q)
if (preloaded)

if (IS_ERR(blkg)) {
if (IS_ERR(blkg))
return PTR_ERR(blkg);

q->root_blkg = blkg;
q->root_rl.blkg = blkg;

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