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/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 9c002b6..12434b6 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -314,7 +314,7 @@
 					netif_wake_queue(dev);
 					txq->tx_packets++;
 					txq->tx_bytes += length;
-					return 0;
+					return NETDEV_TX_OK;
 				}
 				__netif_tx_unlock(slave_txq);
 			}
@@ -323,7 +323,7 @@
 			break;
 		case 1:
 			master->slaves = NEXT_SLAVE(q);
-			return 0;
+			return NETDEV_TX_OK;
 		default:
 			nores = 1;
 			break;
@@ -345,7 +345,7 @@
 drop:
 	txq->tx_dropped++;
 	dev_kfree_skb(skb);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 static int teql_master_open(struct net_device *dev)