socket: localize functions

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

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 7f9ce9600ef32120c2a2fb56bea2d759a7c1be15..47c2dabe866973b54aa06198567524c4519b1e59 100644 (file)
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -64,22 +64,24 @@ static int brnf_filter_pppoe_tagged __read_mostly = 0;
 
 static inline __be16 vlan_proto(const struct sk_buff *skb)
 {
-       return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+       if (vlan_tx_tag_present(skb))
+               return skb->protocol;
+       else if (skb->protocol == htons(ETH_P_8021Q))
+               return vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+       else
+               return 0;
 }
 
 #define IS_VLAN_IP(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_IP) &&  \
+       (vlan_proto(skb) == htons(ETH_P_IP) && \
         brnf_filter_vlan_tagged)
 
 #define IS_VLAN_IPV6(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_IPV6) &&\
+       (vlan_proto(skb) == htons(ETH_P_IPV6) && \
         brnf_filter_vlan_tagged)
 
 #define IS_VLAN_ARP(skb) \
-       (skb->protocol == htons(ETH_P_8021Q) && \
-        vlan_proto(skb) == htons(ETH_P_ARP) && \
+       (vlan_proto(skb) == htons(ETH_P_ARP) && \
         brnf_filter_vlan_tagged)
 
 static inline __be16 pppoe_proto(const struct sk_buff *skb)