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/defxx.c b/drivers/net/defxx.c
index 4ec055dc7174..102b8d439714 100644
--- a/drivers/net/defxx.c
+++ b/drivers/net/defxx.c
@@ -3318,7 +3318,7 @@ static int dfx_xmt_queue_pkt(
         {
                 skb_pull(skb,3);
                 spin_unlock_irqrestore(&bp->lock, flags);
-                return(1);                      /* requeue packet for later */
+                return NETDEV_TX_BUSY;  /* requeue packet for later */
         }
 
         /*