openvswitch: fix vlan subtraction from packet length

[cascardo/linux.git] / net / openvswitch / vport.c

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 8f19843..7387418 100644 (file)
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -485,7 +485,8 @@ static unsigned int packet_length(const struct sk_buff *skb)
 {
        unsigned int length = skb->len - ETH_HLEN;
 
-       if (skb_vlan_tagged(skb))
+       if (!skb_vlan_tag_present(skb) &&
+           eth_type_vlan(skb->protocol))
                length -= VLAN_HLEN;
 
        /* Don't subtract for multiple VLAN tags. Most (all?) drivers allow