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/3c505.c b/drivers/net/3c505.c
index b28499459cd6..f71b35402755 100644
--- a/drivers/net/3c505.c
+++ b/drivers/net/3c505.c
@@ -1088,7 +1088,7 @@ static int elp_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         pr_debug("%s: failed to transmit packet\n", dev->name);
                 }
                 spin_unlock_irqrestore(&adapter->lock, flags);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         if (elp_debug >= 3)
                 pr_debug("%s: packet of length %d sent\n", dev->name, (int) skb->len);