Messages in this thread Patch in this message | | | From | Wang Qing <> | Subject | [PATCH] block: nbd: fix order of cleaning up the queue and freeing the tagset | Date | Mon, 5 Jul 2021 17:25:43 +0800 |
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Must release the queue before freeing the tagset.
Fixes: 1c99502fae35 ("loop: 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 <guoqing.jiang@cloud.ionos.com> --- drivers/block/nbd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index b7d6637..c383179 --- 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); } /* -- 2.7.4
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