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/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index ad17955..7098357 100644
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -1466,7 +1466,7 @@
 			dev->trans_start = jiffies;
 			spin_unlock_irqrestore(&self->lock, flags);
 			dev_kfree_skb(skb);
-			return 0;
+			return NETDEV_TX_OK;
 		} else
 			self->new_speed = speed;
 	}
@@ -1577,7 +1577,7 @@
 	dev_kfree_skb(skb);
 
 	IRDA_DEBUG(1, "%s(), ----------------- End ------------------\n", __func__ );
-	return 0;	
+	return NETDEV_TX_OK;	
 }
 
 
@@ -1991,7 +1991,7 @@
 			dev->trans_start = jiffies;
 			spin_unlock_irqrestore(&self->lock, flags);
 			dev_kfree_skb(skb);
-			return 0;
+			return NETDEV_TX_OK;
 		} else
 			self->new_speed = speed;
 	}
@@ -2015,7 +2015,7 @@
 	
 	IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __func__ );
 	
-	return 0;	
+	return NETDEV_TX_OK;	
 }