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| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
| commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /net/bridge/br_netfilter_hooks.c | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) | |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'net/bridge/br_netfilter_hooks.c')
| -rw-r--r-- | net/bridge/br_netfilter_hooks.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 7e42c0d1f55b..62e045c9d452 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -512,6 +512,7 @@ static unsigned int br_nf_pre_routing(void *priv, nf_bridge->ipv4_daddr = ip_hdr(skb)->daddr; skb->protocol = htons(ETH_P_IP); + skb->transport_header = skb->network_header + ip_hdr(skb)->ihl * 4; NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, state->net, state->sk, skb, skb->dev, NULL, @@ -642,6 +643,9 @@ static unsigned int br_nf_forward_arp(void *priv, nf_bridge_pull_encap_header(skb); } + if (unlikely(!pskb_may_pull(skb, sizeof(struct arphdr)))) + return NF_DROP; + if (arp_hdr(skb)->ar_pln != 4) { if (IS_VLAN_ARP(skb)) nf_bridge_push_encap_header(skb); @@ -878,11 +882,6 @@ static const struct nf_br_ops br_ops = { .br_dev_xmit_hook = br_nf_dev_xmit, }; -void br_netfilter_enable(void) -{ -} -EXPORT_SYMBOL_GPL(br_netfilter_enable); - /* For br_nf_post_routing, we need (prio = NF_BR_PRI_LAST), because * br_dev_queue_push_xmit is called afterwards */ static struct nf_hook_ops br_nf_ops[] __read_mostly = { |