[netdrvr] alloc_etherdev-related cleanups

Mostly removing unneeded calls to ether_setup(), which alloc_etherdev()
already does for us.

drivers/net/ethertap.c

@@ -72,8 +72,7 @@ static int  __init ethertap_probe(int unit)
 	struct net_device *dev;
 	int err = -ENOMEM;
 
-	dev = alloc_netdev(sizeof(struct net_local), "tap%d",
-			   ether_setup);
+	dev = alloc_etherdev(sizeof(struct net_local));
 
 	if (!dev)
 		goto out;

drivers/net/plip.c

@@ -1282,13 +1282,13 @@ static void plip_attach (struct parport *port)
 		}
 
 		sprintf(name, "plip%d", unit);
-		dev = alloc_netdev(sizeof(struct net_local), name, 
-				   ether_setup);
+		dev = alloc_etherdev(sizeof(struct net_local));
 		if (!dev) {
 			printk(KERN_ERR "plip: memory squeeze\n");
 			return;
 		}
 		
+		strcpy(dev->name, name);
 		dev->init = plip_init_netdev;
 
 		SET_MODULE_OWNER(dev);

drivers/usb/gadget/ether.c

@@ -1782,9 +1782,7 @@ eth_bind (struct usb_gadget *gadget)
 	/* network device setup */
 	dev->net = net;
 	SET_MODULE_OWNER (net);
-	net->priv = dev;
 	strcpy (net->name, "usb%d");
-	ether_setup (net);
 
 	/* one random address for the gadget device ... both of these could
 	 * reasonably come from an id prom or a module parameter.