]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit7769a20148c1d4e77769449ae4ccff6b058eab8f
treefe9edb04edc9d882ab8a21fc64160b809481b425
parent2393c7474fe4296a30acf3ba1c0a0b324b4180ba
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: 6aa72280cb42 ("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