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-rw-r--r--include/linux/if_vlan.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index f8ff918..e1ff5b1 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -210,6 +210,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
/* Move the mac addresses to the beginning of the new header. */
memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
+ skb->mac_header -= VLAN_HLEN;
/* first, the ethernet type */
veth->h_vlan_proto = htons(ETH_P_8021Q);
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