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/cs89x0.c b/drivers/net/cs89x0.c
index 7433b88eed7e..3eee666a9cd2 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -1551,7 +1551,7 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
 
                 spin_unlock_irq(&lp->lock);
                 if (net_debug) printk("cs89x0: Tx buffer not free!\n");
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         /* Write the contents of the packet */
         writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1);