wireless: convert drivers to netdev_tx_t

Mostly just simple conversions:
  * ray_cs had bogus return of NET_TX_LOCKED but driver
    was not using NETIF_F_LLTX
  * hostap and ipw2x00 had some code that returned value
    from a called function that also had to change to return 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/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index 5cb5329..d634b2d 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -2841,7 +2841,8 @@
  * the packet.  We also prevent reentrance.  Then we call the function
  * to send the packet.
  */
-static int wavelan_packet_xmit(struct sk_buff *skb, struct net_device * dev)
+static netdev_tx_t wavelan_packet_xmit(struct sk_buff *skb,
+					     struct net_device * dev)
 {
 	net_local *lp = netdev_priv(dev);
 	unsigned long flags;