net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functions

This patch is the result of an automatic spatch transformation to convert
all ndo_start_xmit() return values of 0 to NETDEV_TX_OK.

Some occurences are missed by the automatic conversion, those will be
handled in a seperate patch.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c
index 5425ab0..0c0dece 100644
--- a/drivers/net/atarilance.c
+++ b/drivers/net/atarilance.c
@@ -796,7 +796,7 @@
 
 	if (len > skb->len) {
 		if (skb_padto(skb, len))
-			return 0;
+			return NETDEV_TX_OK;
 	}
 
 	netif_stop_queue (dev);
@@ -846,7 +846,7 @@
 		lp->tx_full = 1;
 	spin_unlock_irqrestore (&lp->devlock, flags);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /* The LANCE interrupt handler. */