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/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index bb78c11..5e4b7af 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -777,7 +777,7 @@
return 0;
}
if (bc->skb)
- return -1;
+ return NETDEV_TX_LOCKED;
/* strip KISS byte */
if (skb->len >= HDLCDRV_MAXFLEN+1 || skb->len < 3) {
dev_kfree_skb(skb);
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 61de56e..d034f8c 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -409,7 +409,7 @@
return 0;
}
if (sm->skb)
- return -1;
+ return NETDEV_TX_LOCKED;
netif_stop_queue(dev);
sm->skb = skb;
return 0;
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 032c0db..fda2fc8 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -531,7 +531,7 @@
if (!netif_running(dev)) {
printk(KERN_ERR "mkiss: %s: xmit call when iface is down\n", dev->name);
- return 1;
+ return NETDEV_TX_BUSY;
}
if (netif_queue_stopped(dev)) {
@@ -541,7 +541,7 @@
*/
if (time_before(jiffies, dev->trans_start + 20 * HZ)) {
/* 20 sec timeout not reached */
- return 1;
+ return NETDEV_TX_BUSY;
}
printk(KERN_ERR "mkiss: %s: transmit timed out, %s?\n", dev->name,