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/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index 7a18dc7..15c0195 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/drivers/net/cris/eth_v10.c
@@ -1108,7 +1108,7 @@
 
 	spin_unlock_irqrestore(&np->lock, flags);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*