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/lib8390.c b/drivers/net/lib8390.c
index 789b6cb744b2..f28c23343009 100644
--- a/drivers/net/lib8390.c
+++ b/drivers/net/lib8390.c
@@ -370,7 +370,7 @@ static int __ei_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 spin_unlock(&ei_local->page_lock);
                 enable_irq_lockdep_irqrestore(dev->irq, &flags);
                 dev->stats.tx_errors++;
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         /*