Commit f57947d2 authored Jun 18, 2013 by Li Zefan Committed by Tejun Heo Jun 18, 2013

cgroup: fix memory leak in cgroup_rm_cftypes()



The memory allocated in cgroup_add_cftypes() should be freed. The
effect of this bug is we leak a bit memory everytime we unload
cfq-iosched module if blkio cgroup is enabled.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 1c8158ee

kernel/cgroup.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2889,7 +2889,8 @@ int cgroup_rm_cftypes(struct cgroup_subsys ss, struct cftype cfts)

		list_for_each_entry(set, &ss->cftsets, node) {
		if (set->cfts == cfts) {
		list_del_init(&set->node);
		list_del(&set->node);
		kfree(set);
		cgroup_cfts_commit(ss, cfts, false);
		return 0;
		}