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nbd: fix order of cleaning up the queue and freeing the tagset
We must release the queue before freeing the tagset.
Fixes: 4af5f2e030
("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>
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1 changed files with 1 additions and 1 deletions
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@ -239,8 +239,8 @@ static void nbd_dev_remove(struct nbd_device *nbd)
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if (disk) {
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if (disk) {
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del_gendisk(disk);
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del_gendisk(disk);
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blk_mq_free_tag_set(&nbd->tag_set);
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blk_cleanup_disk(disk);
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blk_cleanup_disk(disk);
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blk_mq_free_tag_set(&nbd->tag_set);
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}
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}
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/*
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/*
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