act_mirred: fix a race condition on mirred_list

[deliverable/linux.git] / net / sched / cls_bpf.c

diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index c79ecfd36e0f028388ea5f96a64dbb23451b01b1..e5168f8b9640964ce2dd95a896a24f6c986a959a 100644 (file)
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -378,7 +378,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
                goto errout;
 
        if (oldprog) {
-               list_replace_rcu(&prog->link, &oldprog->link);
+               list_replace_rcu(&oldprog->link, &prog->link);
                tcf_unbind_filter(tp, &oldprog->res);
                call_rcu(&oldprog->rcu, __cls_bpf_delete_prog);
        } else {