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(parent: 5818925) | patch
nbd: fix a block_device refcount leak in nbd_release
authorChristoph Hellwig <hch@lst.de>
Mon, 9 Nov 2020 17:30:59 +0000 (18:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Nov 2020 18:18:47 +0000 (19:18 +0100)
commitd9f4534a9a286877ae29e15b5f9ba8ecb7370924
tree765a6f89d9b55743b0d9ed166b6d794de8d4ee14tree
parent5818925f87d33b9a77e3f4d78a47f0f823f221cccommit | diff
nbd: fix a block_device refcount leak in nbd_release

[ Upstream commit 2bd645b2d3f0bacadaa6037f067538e1cd4e42ef ]

bdget_disk needs to be paired with bdput to not leak a reference
on the block device inode.

Fixes: 08ba91ee6e2c ("nbd: Add the nbd NBD_DISCONNECT_ON_CLOSE config flag.")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/block/nbd.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git