1 files changed, 8 insertions, 1 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index de51c48c4393..27bfe2f8e2de 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);
 }
 
@@ -575,6 +578,9 @@ static int vlan_dev_init(struct net_device *dev)
 
         dev->features |= real_dev->vlan_features | NETIF_F_LLTX;
         dev->gso_max_size = real_dev->gso_max_size;
+        if (dev->features & NETIF_F_VLAN_FEATURES)
+                netdev_warn(real_dev, "VLAN features are set incorrectly.  Q-in-Q configurations may not work correctly.\n");
+
 
         /* ipv6 shared card related stuff */
         dev->dev_id = real_dev->dev_id;
@@ -589,7 +595,8 @@ static int vlan_dev_init(struct net_device *dev)
 #endif
 
         dev->needed_headroom = real_dev->needed_headroom;
-        if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
+        if (vlan_hw_offload_capable(real_dev->features,
+                                    vlan_dev_priv(dev)->vlan_proto)) {
                 dev->header_ops      = &vlan_passthru_header_ops;
                 dev->hard_header_len = real_dev->hard_header_len;
         } else {