[PATCH net-next v2] vxlan: set mac_header correctly in GPE mode

[Jiri Benc]

For VXLAN-GPE, the interface is ARPHRD_NONE, thus we need to reset
mac_header after pulling the outer header.

v2: Put the code to the existing conditional block as suggested by
    Shmulik Ladkani.

Fixes: e1e5314de08b ("vxlan: implement GPE")
Signed-off-by: Jiri Benc <jb...@redhat.com>
---
 drivers/net/vxlan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 2f29d20aa08f..25ab6bf013c4 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1381,6 +1381,7 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb)
                if (!vxlan_set_mac(vxlan, vs, skb))
                        goto drop;
        } else {
+               skb_reset_mac_header(skb);
                skb->dev = vxlan->dev;
                skb->pkt_type = PACKET_HOST;
        }
-- 
1.8.3.1