From: Jens Axboe <axboe@kernel.dk>
To: zhengbin <zhengbin13@huawei.com>,
tim@cyberelk.net, linux-block@vger.kernel.org
Cc: yi.zhang@huawei.com
Subject: Re: [PATCH v2] paride/pcd: need to set queue to NULL before put_disk
Date: Wed, 4 Sep 2019 07:01:11 -0600 [thread overview]
Message-ID: <be8df565-8208-b97c-0b23-279e483c4717@kernel.dk> (raw)
In-Reply-To: <1565695660-13459-1-git-send-email-zhengbin13@huawei.com>
On 8/13/19 5:27 AM, zhengbin wrote:
> In pcd_init_units, if blk_mq_init_sq_queue fails, need to set queue to
> NULL before put_disk, otherwise null-ptr-deref Read will occur.
>
> put_disk
> kobject_put
> disk_release
> blk_put_queue(disk->queue)
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2019-09-04 13:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 11:27 [PATCH v2] paride/pcd: need to set queue to NULL before put_disk zhengbin
2019-09-04 8:40 ` zhengbin (A)
2019-09-04 13:01 ` Jens Axboe [this message]
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