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/starfire.c b/drivers/net/starfire.c
index fcb943f..838cce8 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1236,7 +1236,7 @@
*/
if ((np->cur_tx - np->dirty_tx) + skb_num_frags(skb) * 2 > TX_RING_SIZE) {
netif_stop_queue(dev);
- return 1;
+ return NETDEV_TX_BUSY;
}
#if defined(ZEROCOPY) && defined(HAS_BROKEN_FIRMWARE)