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/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index c9a30d3a66fb..1f6e36ea669e 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2687,7 +2687,7 @@ again:
                 /* we are out of transmit resources */
                 tx->stop_queue++;
                 netif_tx_stop_queue(netdev_queue);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         /* Setup checksum offloading, if needed */