loop: fix order of cleaning up the queue and freeing the tagset

mainline inclusion
from mainline-v5.14-rc1
commit 6a03cd98
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I81XCK

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6a03cd9843fa4dcf827dc3ad60fa9b4217f3057c



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We must release the queue before freeing the tagset.

Fixes: 1c99502f ("loop: use blk_mq_alloc_disk and blk_cleanup_disk")
Reported-by: Bruno Goncalves <bgoncalv@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
conflict:
  drivers/block/loop.c
Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com>
Signed-off-by: Li Nan <linan122@huawei.com>