Re: [PATCH] blk-cgroup: fix missing put device in error path from blkg_conf_pref()

[Tejun Heo]

On Tue, Nov 02, 2021 at 10:07:05AM +0800, Yu Kuai wrote:
> If blk_queue_enter() failed due to queue is dying, the
> blkdev_put_no_open() is needed because blkcg_conf_open_bdev() succeeded.
> 
> Fixes: 0c9d338c8443 ("blk-cgroup: synchronize blkg creation against policy deactivation")
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun