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/3c527.c b/drivers/net/3c527.c
index c10ca30..aaa8a9f 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -1030,7 +1030,7 @@
netif_stop_queue(dev);
if(atomic_read(&lp->tx_count)==0) {
- return 1;
+ return NETDEV_TX_BUSY;
}
if (skb_padto(skb, ETH_ZLEN)) {