1 files changed, 2 insertions, 1 deletions
diff --git a/ztd-eth.c b/ztd-eth.c
index a9959b5..b99b54b 100755
--- a/ztd-eth.c
+++ b/ztd-eth.c
@@ -155,7 +155,8 @@ static int ztdeth_transmit(void *pvt, unsigned char *msg, int msglen)
 			skb->protocol = __constant_htons(ETH_P_ZTDETH);
 			skb->nh.raw = skb->data;
 			skb->dev = z->dev;
-			z->dev->hard_header(skb, z->dev, ETH_P_ZTDETH, z->addr, z->dev->dev_addr, skb->len);
+			if (z->dev->hard_header)
+				z->dev->hard_header(skb, z->dev, ETH_P_ZTDETH, z->addr, z->dev->dev_addr, skb->len);
 			dev_queue_xmit(skb);
 		}
 	}