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

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Message-Id: <2f5ecda4984940c2c6820cbbed18555d5023e2ed.1463129287.git.jbenc@redhat.com>
Date:	Fri, 13 May 2016 10:48:42 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Simon Horman <simon.horman@...ronome.com>,
	Shmulik Ladkani <shmulik.ladkani@...il.com>
Subject: [PATCH net-next v2] vxlan: set mac_header correctly in GPE mode

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 <jbenc@...hat.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