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, 1 insertions, 1 deletions

diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 2d4617b3e208..a9a897bb42d5 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -1584,7 +1584,7 @@ sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
         /* Don't transmit data before the complete of auto-negotiation */
         if(!sis_priv->autong_complete){
                 netif_stop_queue(net_dev);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         spin_lock_irqsave(&sis_priv->lock, flags);