isdn: convert 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/isdn/hysdn/hysdn_net.c b/drivers/isdn/hysdn/hysdn_net.c
index c73004b..72eb926 100644
--- a/drivers/isdn/hysdn/hysdn_net.c
+++ b/drivers/isdn/hysdn/hysdn_net.c
@@ -119,7 +119,7 @@
 /* send a packet on this interface. */
 /* new style for kernel >= 2.3.33   */
 /************************************/
-static int
+static netdev_tx_t
 net_send_packet(struct sk_buff *skb, struct net_device *dev)
 {
 	struct net_local *lp = (struct net_local *) dev;
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 57bf4bf..90b56ed 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -176,7 +176,8 @@
 /* Prototypes */
 
 static int isdn_net_force_dial_lp(isdn_net_local *);
-static int isdn_net_start_xmit(struct sk_buff *, struct net_device *);
+static netdev_tx_t isdn_net_start_xmit(struct sk_buff *,
+					     struct net_device *);
 
 static void isdn_net_ciscohdlck_connected(isdn_net_local *lp);
 static void isdn_net_ciscohdlck_disconnected(isdn_net_local *lp);
@@ -1160,7 +1161,7 @@
  * If this interface isn't connected to a ISDN-Channel, find a free channel,
  * and start dialing.
  */
-static int
+static netdev_tx_t
 isdn_net_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 {
 	isdn_net_local *lp = (isdn_net_local *) netdev_priv(ndev);