net: convert remaining non-symbolic return values in ndo_start_xmit() functions

This patch converts the remaining occurences of raw return values to their
symbolic counterparts in ndo_start_xmit() functions that were missed by the
previous automatic conversion.

Additionally code that assumed the symbolic value of NETDEV_TX_OK to be zero
is changed to explicitly use NETDEV_TX_OK.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index d4b5708..0e7dfe0 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2431,7 +2431,7 @@
 		dev_kfree_skb(skb);
 	}
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type* ptype, struct net_device *orig_dev)
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 46d312b..bf45d20 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1413,7 +1413,7 @@
 	}
 	read_unlock(&bond->curr_slave_lock);
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 void bond_alb_monitor(struct work_struct *work)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index d927f71..66596d8 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4277,7 +4277,7 @@
 		dev_kfree_skb(skb);
 	}
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 
@@ -4308,7 +4308,7 @@
 
 	read_unlock(&bond->curr_slave_lock);
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*
@@ -4354,7 +4354,7 @@
 		dev_kfree_skb(skb);
 	}
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*
@@ -4414,7 +4414,7 @@
 
 	/* frame sent to all suitable interfaces */
 	read_unlock(&bond->lock);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*------------------------- Device initialization ---------------------------*/