linux-kernel - Re: [PATCH] blk-cgroup: fix missing put device in error path from blkg_conf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 15 Nov 2021 11:37:21 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Yu Kuai <yukuai3@...wei.com>
Cc:     axboe@...nel.dk, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH] blk-cgroup: fix missing put device in error path from
 blkg_conf_pref()

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@...wei.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun