diff options
| author | Wang Qing <wangqing@vivo.com> | 2021-07-06 12:00:16 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-07-15 09:30:15 -0600 |
| commit | 16ad3db3b24cd9f70aa24e93cef0d4a83dece7ac (patch) | |
| tree | 49da5b9578289304a3cad3a87798cc47568ad2f9 /drivers/block/nbd.c | |
| parent | 58b63e0f556c2debb8c942abcc9e6beadc4a07f0 (diff) | |
nbd: fix order of cleaning up the queue and freeing the tagset
We must release the queue before freeing the tagset.
Fixes: 4af5f2e03013 ("nbd: use blk_mq_alloc_disk and blk_cleanup_disk")
Reported-and-tested-by: syzbot+9ca43ff47167c0ee3466@syzkaller.appspotmail.com
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Guoqing Jiang <jiangguoqing@kylinos.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210706040016.1360412-1-guoqing.jiang@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index b7d663736d35..c38317979f74 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -239,8 +239,8 @@ static void nbd_dev_remove(struct nbd_device *nbd) if (disk) { del_gendisk(disk); - blk_mq_free_tag_set(&nbd->tag_set); blk_cleanup_disk(disk); + blk_mq_free_tag_set(&nbd->tag_set); } /* |