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/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c
index 269153eedd26..c4361d466597 100644
--- a/drivers/net/irda/au1k_ir.c
+++ b/drivers/net/irda/au1k_ir.c
@@ -512,13 +512,13 @@ static int au1k_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev)
                 printk(KERN_DEBUG "%s: tx_full\n", dev->name);
                 netif_stop_queue(dev);
                 aup->tx_full = 1;
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         else if (((aup->tx_head + 1) & (NUM_IR_DESC - 1)) == aup->tx_tail) {
                 printk(KERN_DEBUG "%s: tx_full\n", dev->name);
                 netif_stop_queue(dev);
                 aup->tx_full = 1;
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         pDB = aup->tx_db_inuse[aup->tx_head];