intel: convert drivers to netdev_tx_t

Get rid of some bogus return wrapping as well.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 3f03c42..dadb782 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -2204,9 +2204,9 @@
 	mmiowb();
 }
 
-static int igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
-                                   struct net_device *netdev,
-                                   struct igbvf_ring *tx_ring)
+static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
+					     struct net_device *netdev,
+					     struct igbvf_ring *tx_ring)
 {
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	unsigned int first, tx_flags = 0;
@@ -2279,11 +2279,11 @@
 	return NETDEV_TX_OK;
 }
 
-static int igbvf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t igbvf_xmit_frame(struct sk_buff *skb,
+				    struct net_device *netdev)
 {
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	struct igbvf_ring *tx_ring;
-	int retval;
 
 	if (test_bit(__IGBVF_DOWN, &adapter->state)) {
 		dev_kfree_skb_any(skb);
@@ -2292,9 +2292,7 @@
 
 	tx_ring = &adapter->tx_ring[0];
 
-	retval = igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring);
-
-	return retval;
+	return igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring);
 }
 
 /**