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/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 806533c831c7..beb84213b671 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1484,7 +1484,7 @@ static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev)
  stop_queue:
         netif_stop_queue(ndev);
         DBG2(dev, "stopped TX queue" NL);
-        return 1;
+        return NETDEV_TX_BUSY;
 }
 
 /* Tx lock BHs */