Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / net / bridge / br_netfilter.c

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index a642727..05b3de8 100644 (file)
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -61,6 +61,9 @@ static int brnf_filter_vlan_tagged = 1;
 #define brnf_filter_vlan_tagged 1
 #endif
 
+int brnf_deferred_hooks;
+EXPORT_SYMBOL_GPL(brnf_deferred_hooks);
+
 static __be16 inline vlan_proto(const struct sk_buff *skb)
 {
        return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
@@ -407,12 +410,8 @@ static unsigned int br_nf_pre_routing_ipv6(unsigned int hook,
        if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) {
                if (pkt_len + sizeof(struct ipv6hdr) > skb->len)
                        goto inhdr_error;
-               if (pkt_len + sizeof(struct ipv6hdr) < skb->len) {
-                       if (__pskb_trim(skb, pkt_len + sizeof(struct ipv6hdr)))
-                               goto inhdr_error;
-                       if (skb->ip_summed == CHECKSUM_HW)
-                               skb->ip_summed = CHECKSUM_NONE;
-               }
+               if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr)))
+                       goto inhdr_error;
        }
        if (hdr->nexthdr == NEXTHDR_HOP && check_hbh_len(skb))
                goto inhdr_error;
@@ -495,11 +494,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
        if (skb->len < len || len < 4 * iph->ihl)
                goto inhdr_error;
 
-       if (skb->len > len) {
-               __pskb_trim(skb, len);
-               if (skb->ip_summed == CHECKSUM_HW)
-                       skb->ip_summed = CHECKSUM_NONE;
-       }
+       pskb_trim_rcsum(skb, len);
 
        nf_bridge_put(skb->nf_bridge);
        if (!nf_bridge_alloc(skb))
@@ -877,9 +872,8 @@ static unsigned int ip_sabotage_out(unsigned int hook, struct sk_buff **pskb,
        struct sk_buff *skb = *pskb;
 
        if ((out->hard_start_xmit == br_dev_xmit &&
-           okfn != br_nf_forward_finish &&
-           okfn != br_nf_local_out_finish &&
-           okfn != br_nf_dev_queue_xmit)
+            okfn != br_nf_forward_finish &&
+            okfn != br_nf_local_out_finish && okfn != br_nf_dev_queue_xmit)
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
            || ((out->priv_flags & IFF_802_1Q_VLAN) &&
                VLAN_DEV_INFO(out)->real_dev->hard_start_xmit == br_dev_xmit)
@@ -899,6 +893,8 @@ static unsigned int ip_sabotage_out(unsigned int hook, struct sk_buff **pskb,
                                return NF_ACCEPT;
                        else if (ip->version == 6 && !brnf_call_ip6tables)
                                return NF_ACCEPT;
+                       else if (!brnf_deferred_hooks)
+                               return NF_ACCEPT;
 #endif
                        if (hook == NF_IP_POST_ROUTING)
                                return NF_ACCEPT;