Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[~andy/linux] / net / bridge / br_forward.c

diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d61e6f741125bbd510d20237a8e76e4292802b77..7a241c396981eebb9ee1357daf88e7d18f3f8db8 100644 (file)
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
@@ -19,6 +20,11 @@
 #include <linux/netfilter_bridge.h>
 #include "br_private.h"
 
+static int deliver_clone(const struct net_bridge_port *prev,
+                        struct sk_buff *skb,
+                        void (*__packet_hook)(const struct net_bridge_port *p,
+                                              struct sk_buff *skb));
+
 /* Don't forward packets to originating port or forwarding diasabled */
 static inline int should_deliver(const struct net_bridge_port *p,
                                 const struct sk_buff *skb)
@@ -94,17 +100,22 @@ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
 }
 
 /* called with rcu_read_lock */
-void br_forward(const struct net_bridge_port *to, struct sk_buff *skb)
+void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)
 {
        if (should_deliver(to, skb)) {
-               __br_forward(to, skb);
+               if (skb0)
+                       deliver_clone(to, skb, __br_forward);
+               else
+                       __br_forward(to, skb);
                return;
        }
 
-       kfree_skb(skb);
+       if (!skb0)
+               kfree_skb(skb);
 }
 
-static int deliver_clone(struct net_bridge_port *prev, struct sk_buff *skb,
+static int deliver_clone(const struct net_bridge_port *prev,
+                        struct sk_buff *skb,
                         void (*__packet_hook)(const struct net_bridge_port *p,
                                               struct sk_buff *skb))
 {