net: use symbolic values for ndo_start_xmit() return codes

Convert magic values 1 and -1 to NETDEV_TX_BUSY and NETDEV_TX_LOCKED respectively.

0 (NETDEV_TX_OK) is not changed to keep the noise down, except in very few cases
where its in direct proximity to one of the other values.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 28db6919c526..0f19b743749b 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -290,7 +290,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         if (!fep->link) {
                 /* Link is down or autonegotiation is in progress. */
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         spin_lock_irqsave(&fep->hw_lock, flags);
@@ -305,7 +305,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
                  */
                 printk("%s: tx queue full!.\n", dev->name);
                 spin_unlock_irqrestore(&fep->hw_lock, flags);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         /* Clear all of the status flags */