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, 3 insertions, 3 deletions

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index dfb30b9c4267..c70604f0329e 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -1935,7 +1935,7 @@ static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
                 netif_stop_queue (dev);
                 if (npacks > MAXTXQ) {
                         dev->stats.tx_fifo_errors++;
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 }
                 skb_queue_tail (&ai->txq, skb);
                 return 0;
@@ -2139,7 +2139,7 @@ static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
 
                 if (i == MAX_FIDS / 2) {
                         dev->stats.tx_fifo_errors++;
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 }
         }
         /* check min length*/
@@ -2211,7 +2211,7 @@ static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
 
                 if (i == MAX_FIDS) {
                         dev->stats.tx_fifo_errors++;
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 }
         }
         /* check min length*/