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/smc9194.c b/drivers/net/smc9194.c
index 9a7973a54116..e02471b2f2b5 100644
--- a/drivers/net/smc9194.c
+++ b/drivers/net/smc9194.c
@@ -503,7 +503,7 @@ static int smc_wait_to_send_packet( struct sk_buff * skb, struct net_device * de
                 /* THIS SHOULD NEVER HAPPEN. */
                 dev->stats.tx_aborted_errors++;
                 printk(CARDNAME": Bad Craziness - sent packet while busy.\n" );
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         lp->saved_skb = skb;