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(parent: 61f9f53) | patch
nbd: fix nbd device deletion
authorJosef Bacik <jbacik@fb.com>
Wed, 16 May 2018 18:51:17 +0000 (14:51 -0400)
committerJens Axboe <axboe@kernel.dk>
Wed, 16 May 2018 18:54:06 +0000 (12:54 -0600)
commitc263d1943a279833cdb1954c74866df96ca0477b
treefe9edb04edc9d882ab8a21fc64160b809481b425tree | snapshot
parent61f9f5346d216fa4a8df082606cd2830a642b45ecommit | diff
nbd: fix nbd device deletion

This fixes a use after free bug, we shouldn't be doing disk->queue right
after we do del_gendisk(disk).  Save the queue and do the cleanup after
the del_gendisk.

Fixes: 3c01eb333406 ("nbd: add device refcounting")
cc: stable@vger.kernel.org
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/nbd.c diff | blob | history
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