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/3c59x.c b/drivers/net/3c59x.c
index a6e8a2da3bcd..c34aee91250b 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2107,7 +2107,7 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         pr_warning("%s: BUG! Tx Ring full, refusing to send buffer.\n",
                                    dev->name);
                 netif_stop_queue(dev);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         vp->tx_skbuff[entry] = skb;