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/skfp/skfddi.c b/drivers/net/skfp/skfddi.c
index 19d343c42a21..088fe26484e7 100644
--- a/drivers/net/skfp/skfddi.c
+++ b/drivers/net/skfp/skfddi.c
@@ -1082,7 +1082,7 @@ static int skfp_send_pkt(struct sk_buff *skb, struct net_device *dev)
         if (bp->QueueSkb == 0) {        // return with tbusy set: queue full
 
                 netif_stop_queue(dev);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         bp->QueueSkb--;
         skb_queue_tail(&bp->SendSkbQueue, skb);