net: replace hooks in __netif_receive_skb V5

[sfrench/cifs-2.6.git] / net / bridge / br_input.c

diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index d36e700f7a26505b4828a08302b5bfec27b06483..99647d8f95c84e420f90e40c8b794284851076fa 100644 (file)
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -131,15 +131,19 @@ static inline int is_link_local(const unsigned char *dest)
 }
 
 /*
- * Called via br_handle_frame_hook.
  * Return NULL if skb is handled
- * note: already called with rcu_read_lock (preempt_disabled)
+ * note: already called with rcu_read_lock (preempt_disabled) from
+ * netif_receive_skb
  */
-struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
+struct sk_buff *br_handle_frame(struct sk_buff *skb)
 {
+       struct net_bridge_port *p;
        const unsigned char *dest = eth_hdr(skb)->h_dest;
        int (*rhook)(struct sk_buff *skb);
 
+       if (skb->pkt_type == PACKET_LOOPBACK)
+               return skb;
+
        if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
                goto drop;
 
@@ -147,6 +151,8 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
        if (!skb)
                return NULL;
 
+       p = rcu_dereference(skb->dev->br_port);
+
        if (unlikely(is_link_local(dest))) {
                /* Pause frames shouldn't be passed up by driver anyway */
                if (skb->protocol == htons(ETH_P_PAUSE))