convert hamradio drivers to netdev_txreturnt_t

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index c540652..35c9361 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -209,7 +209,8 @@
 static int scc_net_open(struct net_device *dev);
 static int scc_net_close(struct net_device *dev);
 static void scc_net_rx(struct scc_channel *scc, struct sk_buff *skb);
-static int scc_net_tx(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t scc_net_tx(struct sk_buff *skb,
+			      struct net_device *dev);
 static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
 static int scc_net_set_mac_address(struct net_device *dev, void *addr);
 static struct net_device_stats * scc_net_get_stats(struct net_device *dev);
@@ -1634,7 +1635,7 @@
 
 /* ----> transmit frame <---- */
 
-static int scc_net_tx(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t scc_net_tx(struct sk_buff *skb, struct net_device *dev)
 {
 	struct scc_channel *scc = (struct scc_channel *) dev->ml_priv;
 	unsigned long flags;