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>
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index f2e6699..8e78f00 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -686,7 +686,7 @@
spin_unlock_irqrestore(&db->lock, flags);
printk(KERN_ERR DRV_NAME ": No Tx resource %ld\n",
db->tx_queue_cnt);
- return 1;
+ return NETDEV_TX_BUSY;
}
/* Disable NIC interrupt */