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/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index ef37d22..eda7bf6 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -1384,7 +1384,7 @@
     if (pktlen < ETH_ZLEN)
     {
         if (skb_padto(skb, ETH_ZLEN))
-        	return 0;
+        	return NETDEV_TX_OK;
 	pktlen = ETH_ZLEN;
     }
 
@@ -1414,7 +1414,7 @@
     dev->trans_start = jiffies;
     dev->stats.tx_bytes += pktlen;
     netif_start_queue(dev);
-    return 0;
+    return NETDEV_TX_OK;
 }
 
 /****************