diff options
Diffstat (limited to 'net/batman-adv/routing.c')
| -rw-r--r-- | net/batman-adv/routing.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 46dd5b47ed2..859679b0828 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -986,14 +986,18 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct batadv_unicast_packet *unicast_packet; int hdr_size = sizeof(*unicast_packet); + unicast_packet = (struct batadv_unicast_packet *)skb->data; + + /* the caller function should have already pulled 2 bytes */ + if (unicast_packet->header.packet_type == BATADV_UNICAST_4ADDR) + hdr_size = sizeof(struct batadv_unicast_4addr_packet); + if (batadv_check_unicast_packet(skb, hdr_size) < 0) return NET_RX_DROP; if (!batadv_check_unicast_ttvn(bat_priv, skb)) return NET_RX_DROP; - unicast_packet = (struct batadv_unicast_packet *)skb->data; - /* packet for me */ if (batadv_is_my_mac(unicast_packet->dest)) { batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size, |