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/3c515.c b/drivers/net/3c515.c
index 7fd0ff743757..3e00fa8ea65f 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -1014,7 +1014,7 @@ static int corkscrew_start_xmit(struct sk_buff *skb,
                 int i;
 
                 if (vp->tx_full)        /* No room to transmit with */
-                        return 1;
+                        return NETDEV_TX_BUSY;
                 if (vp->cur_tx != 0)
                         prev_entry = &vp->tx_ring[(vp->cur_tx - 1) % TX_RING_SIZE];
                 else