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/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c
index a83a562..4f1e0cf 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -1333,7 +1333,8 @@
  *	    1 - Could not transmit (dev_queue_xmit will queue it)
  *		and try to sent it later
  */
-static int wl3501_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t wl3501_hard_start_xmit(struct sk_buff *skb,
+						struct net_device *dev)
 {
 	int enabled, rc;
 	struct wl3501_card *this = netdev_priv(dev);