1 files changed, 3 insertions, 0 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index de51c48c4393..4b65aa492fb6 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -538,6 +538,9 @@ static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev
         struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
         struct net_device *real_dev = vlan->real_dev;
 
+        if (saddr == NULL)
+                saddr = dev->dev_addr;
+
         return dev_hard_header(skb, real_dev, type, daddr, saddr, len);
 }