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: [email protected] Fixes: ef45fe4 ("blk-cgroup: show global disk stats in root cgroup io.stat") Signed-off-by: Christoph Hellwig <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
Hurricos · Nov 14, 2020 · b7131ee · b7131ee
1 parent 9f16a66
commit b7131ee
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
@@ -849,6 +849,7 @@ 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);
 	}
 }