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/3c59x.c b/drivers/net/3c59x.c
index a6e8a2d..c34aee9 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2107,7 +2107,7 @@
pr_warning("%s: BUG! Tx Ring full, refusing to send buffer.\n",
dev->name);
netif_stop_queue(dev);
- return 1;
+ return NETDEV_TX_BUSY;
}
vp->tx_skbuff[entry] = skb;