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/wan/sbni.c b/drivers/net/wan/sbni.c
index f4211fe0f445..3fb9dbc88a1a 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -469,7 +469,7 @@ sbni_start_xmit( struct sk_buff  *skb,  struct net_device  *dev )
                 }
         }
 
-        return  1;
+        return NETDEV_TX_BUSY;
 }
 
 #else   /* CONFIG_SBNI_MULTILINE */