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>

4 files changed, 4 insertions, 4 deletions

diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 15b8fe61695b..0e38d80fd255 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -1130,7 +1130,7 @@ static int axnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 outb_p(ENISR_ALL, e8390_base + EN0_IMR);
                 spin_unlock_irqrestore(&ei_local->page_lock, flags);
                 dev->stats.tx_errors++;
-                return 1;
+                return NETDEV_TX_BUSY;
         }
 
         /*
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c
index 81e6660a433a..479d5b494371 100644
--- a/drivers/net/pcmcia/fmvj18x_cs.c
+++ b/drivers/net/pcmcia/fmvj18x_cs.c
@@ -877,7 +877,7 @@ static int fjn_start_xmit(struct sk_buff *skb, struct net_device *dev)
         if (length > ETH_FRAME_LEN) {
             printk(KERN_NOTICE "%s: Attempting to send a large packet"
                    " (%d bytes).\n", dev->name, length);
-            return 1;
+            return NETDEV_TX_BUSY;
         }
 
         DEBUG(4, "%s: Transmitting a packet of length %lu.\n",
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 48dbb35747d8..37e05d3ab893 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -1388,7 +1388,7 @@ static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev)
         dev->stats.tx_aborted_errors++;
         printk(KERN_DEBUG "%s: Internal error -- sent packet while busy.\n",
                dev->name);
-        return 1;
+        return NETDEV_TX_BUSY;
     }
     smc->saved_skb = skb;
 
diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index a3685c0d22fc..ef37d22c7e1d 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -1399,7 +1399,7 @@ do_start_xmit(struct sk_buff *skb, struct net_device *dev)
     DEBUG(2 + (okay ? 2 : 0), "%s: avail. tx space=%u%s\n",
           dev->name, freespace, okay ? " (okay)":" (not enough)");
     if (!okay) { /* not enough space */
-        return 1;  /* upper layer may decide to requeue this packet */
+        return NETDEV_TX_BUSY;  /* upper layer may decide to requeue this packet */
     }
     /* send the packet */
     PutWord(XIRCREG_EDP, (u_short)pktlen);