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/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 6f6cd43..896f532 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -312,7 +312,8 @@
 } __attribute__ ((packed));
 
 
-static int hwsim_mon_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t hwsim_mon_xmit(struct sk_buff *skb,
+					struct net_device *dev)
 {
 	/* TODO: allow packet injection */
 	dev_kfree_skb(skb);