blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats
authorChristoph Hellwig <hch@lst.de>
Sat, 14 Nov 2020 18:12:46 +0000 (19:12 +0100)
committerJens Axboe <axboe@kernel.dk>
Sat, 14 Nov 2020 18:17:34 +0000 (11:17 -0700)
commitb7131ee0bac5e5df73e4098e77bbddb3a31d06ff
tree25d8b2e78186bf8150178bb30c6ad1d8df29f3fa
parent9f16a66733c90b5f33f624b0b0e36a345b0aaf93
blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats

disk_get_part needs to be paired with a disk_put_part.

Cc: stable@vger.kernel.org
Fixes: ef45fe470e1 ("blk-cgroup: show global disk stats in root cgroup io.stat")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-cgroup.c