diff options
| -rw-r--r-- | net/sched/em_ipt.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sched/em_ipt.c b/net/sched/em_ipt.c index 243fd22f2248..64dbafe4e94c 100644 --- a/net/sched/em_ipt.c +++ b/net/sched/em_ipt.c @@ -185,6 +185,19 @@ static int em_ipt_match(struct sk_buff *skb, struct tcf_ematch *em, struct nf_hook_state state; int ret; + switch (tc_skb_protocol(skb)) { + case htons(ETH_P_IP): + if (!pskb_network_may_pull(skb, sizeof(struct iphdr))) + return 0; + break; + case htons(ETH_P_IPV6): + if (!pskb_network_may_pull(skb, sizeof(struct ipv6hdr))) + return 0; + break; + default: + return 0; + } + rcu_read_lock(); if (skb->skb_iif) |