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, 3 insertions, 3 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];
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index d940809762ec..fd0796c3db3c 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -607,7 +607,7 @@ static int sirdev_hard_xmit(struct sk_buff *skb, struct net_device *ndev)
                                  * stopped so the network layer will retry after the
                                  * fsm completes and wakes the queue.
                                  */
-                                 return 1;
+                                 return NETDEV_TX_BUSY;
                         }
                         else if (unlikely(err)) {
                                 /* other fatal error - forget the speed change and