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>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 7f4bc8ae5462..2e7419a61191 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -829,7 +829,7 @@ static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 dev->trans_start = jiffies;
         } else {
                 printk(KERN_ERR "at91_ether.c: at91ether_start_xmit() called, but device is busy!\n");
-                return 1;       /* if we return anything but zero, dev.c:1055 calls kfree_skb(skb)
+                return NETDEV_TX_BUSY;  /* if we return anything but zero, dev.c:1055 calls kfree_skb(skb)
                                 on this skb, he also reports -ENETDOWN and printk's, so either
                                 we free and return(0) or don't free and return 1 */
         }
diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c
index ec8a1ae1e887..455037134aa3 100644
--- a/drivers/net/arm/ether3.c
+++ b/drivers/net/arm/ether3.c
@@ -526,7 +526,7 @@ ether3_sendpacket(struct sk_buff *skb, struct net_device *dev)
 
         if (priv(dev)->tx_tail == next_ptr) {
                 local_irq_restore(flags);
-                return 1;       /* unable to queue */
+                return NETDEV_TX_BUSY;  /* unable to queue */
         }
 
         dev->trans_start = jiffies;