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/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index 8761a5a5bd79..9277ce8febe4 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -591,7 +591,7 @@ static int uli526x_start_xmit(struct sk_buff *skb, struct net_device *dev)
         if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) {
                 spin_unlock_irqrestore(&db->lock, flags);
                 printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n", db->tx_packet_cnt);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         /* Disable NIC interrupt */