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Diffstat (limited to 'net/bridge/br_forward.c')
-rw-r--r--net/bridge/br_forward.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d61e6f74112..8dbec83e50c 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -19,6 +19,11 @@
#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 +99,22 @@ 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))
{