netdev - [PATCH 1/3] cls_cgroup: fix an oops when removing a cgroup

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Message-ID: <49584A9F.40202@cn.fujitsu.com>
Date:	Mon, 29 Dec 2008 11:57:19 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	David Miller <davem@...emloft.net>
CC:	Thomas Graf <tgraf@...g.ch>, LKML <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: [PATCH 1/3] 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@...fujitsu.com>
---
 net/sched/cls_cgroup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 0d68b19..31d95b1 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)
-- 
1.5.4.rc3

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