| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.9 244/252] blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats | Date | Mon, 23 Nov 2020 13:23:14 +0100 |
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From: Christoph Hellwig <hch@lst.de>
commit b7131ee0bac5e5df73e4098e77bbddb3a31d06ff upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- block/blk-cgroup.c | 1 + 1 file changed, 1 insertion(+)
--- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -840,6 +840,7 @@ static void blkcg_fill_root_iostats(void blkg_iostat_set(&blkg->iostat.cur, &tmp); u64_stats_update_end(&blkg->iostat.sync); } + disk_put_part(part); } }
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