From 2f068bf8711c35b98bf9a0172555b8390a762fc0 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sun, 28 Dec 2008 17:57:19 +0000
Subject: [PATCH] cls_cgroup: fix an oops when removing a cgroup
When removing a cgroup, an oops was triggered immediately. The cause
is wrong kfree() in cgrp_destroy().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/sched/cls_cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 0d68b1975983..31d95b1946c6 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -46,7 +46,7 @@ static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp)
{
- kfree(ss);
+ kfree(net_cls_state(cgrp));
}
static u64 read_classid(struct cgroup *cgrp, struct cftype *cft)
--
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