wan: convert drivers to netdev_tx_t

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/hd64572.c b/drivers/net/wan/hd64572.c
index f099c34..84f0137 100644
--- a/drivers/net/wan/hd64572.c
+++ b/drivers/net/wan/hd64572.c
@@ -562,7 +562,7 @@
 #endif /* DEBUG_RINGS */
 
 
-static int sca_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t sca_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	port_t *port = dev_to_port(dev);
 	card_t *card = port->card;
@@ -601,7 +601,7 @@
 	spin_unlock_irq(&port->lock);
 
 	dev_kfree_skb(skb);
-	return 0;
+	return NETDEV_TX_OK;
 }