diff options
| author | Patrick McHardy <kaber@trash.net> | 2007-11-13 02:58:44 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-11-13 02:58:44 -0800 |
| commit | 81d9ddae856678c45297550e9353c8a5a7fd6438 (patch) | |
| tree | 7623400b1c2cd42cc1491fa991dbe8313e76bc1c | |
| parent | 4ce5ba6aecb218981fc76585b6d9a7d0019e61b5 (diff) | |
[NETFILTER]: bridge: fix double POSTROUTING hook invocation
Packets routed between bridges have the POST_ROUTING hook invoked
twice since bridging mistakes them for bridged packets because
they have skb->nf_bridge set.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/bridge/br_netfilter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index da22f900e89..c1757c79dfb 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -766,6 +766,9 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb, if (!nf_bridge) return NF_ACCEPT; + if (!(nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT))) + return NF_ACCEPT; + if (!realoutdev) return NF_DROP; |