diff options
Diffstat (limited to 'net/bridge/br_input.c')
| -rw-r--r-- | net/bridge/br_input.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 2b1cce46cab..2aa5dda24a0 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -54,6 +54,9 @@ int br_handle_frame_finish(struct sk_buff *skb) struct net_bridge_fdb_entry *dst; int passedup = 0; + /* insert into forwarding database after filtering to avoid spoofing */ + br_fdb_update(p->br, p, eth_hdr(skb)->h_source); + if (br->dev->flags & IFF_PROMISC) { struct sk_buff *skb2; @@ -108,8 +111,7 @@ int br_handle_frame(struct net_bridge_port *p, struct sk_buff **pskb) if (!is_valid_ether_addr(eth_hdr(skb)->h_source)) goto err; - if (p->state == BR_STATE_LEARNING || - p->state == BR_STATE_FORWARDING) + if (p->state == BR_STATE_LEARNING) br_fdb_update(p->br, p, eth_hdr(skb)->h_source); if (p->br->stp_enabled && |