Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[pandora-kernel.git] / net / sched / act_nat.c
index 0be49a4..24e614c 100644 (file)
@@ -205,7 +205,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
        {
                struct icmphdr *icmph;
 
-               if (!pskb_may_pull(skb, ihl + sizeof(*icmph) + sizeof(*iph)))
+               if (!pskb_may_pull(skb, ihl + sizeof(*icmph)))
                        goto drop;
 
                icmph = (void *)(skb_network_header(skb) + ihl);
@@ -215,6 +215,9 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
                    (icmph->type != ICMP_PARAMETERPROB))
                        break;
 
+               if (!pskb_may_pull(skb, ihl + sizeof(*icmph) + sizeof(*iph)))
+                       goto drop;
+
                iph = (void *)(icmph + 1);
                if (egress)
                        addr = iph->daddr;