net: fix network drivers ndo_start_xmit() return values (part 3)

net: fix network drivers ndo_start_xmit() return values (part 3)

Fix up wireless drivers that return an errno value to qdisc_restart(), causing
qdisc_restart() to print a warning an requeue/retransmit the skb.

- airo: transmission not implemented for chip, intention is to free and abort
- ipw2200: transmission not implemented for promiscous mode, intention is to
           drop
- prism54: intention is to drop
- wl3501_cs: intention appears to be to drop
- zd1201: error counter indicates intention is to drop

All drivers compile tested.

Signed-off-by: Patrick McHardy <kaber@trash.net>
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 1f64d60..e3e96bb 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -1348,6 +1348,7 @@
 	if (rc) {
 		++dev->stats.tx_dropped;
 		netif_stop_queue(dev);
+		rc = NETDEV_TX_OK;
 	} else {
 		++dev->stats.tx_packets;
 		dev->stats.tx_bytes += skb->len;