netpoll: move np->dev and np->dev_name init into __netpoll_setup()

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index f9f40b9..b4c90e4 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -715,14 +715,16 @@
 }
 EXPORT_SYMBOL(netpoll_parse_options);
 
-int __netpoll_setup(struct netpoll *np)
+int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
 {
-	struct net_device *ndev = np->dev;
 	struct netpoll_info *npinfo;
 	const struct net_device_ops *ops;
 	unsigned long flags;
 	int err;
 
+	np->dev = ndev;
+	strlcpy(np->dev_name, ndev->name, IFNAMSIZ);
+
 	if ((ndev->priv_flags & IFF_DISABLE_NETPOLL) ||
 	    !ndev->netdev_ops->ndo_poll_controller) {
 		np_err(np, "%s doesn't support polling, aborting\n",
@@ -851,13 +853,11 @@
 		np_info(np, "local IP %pI4\n", &np->local_ip);
 	}
 
-	np->dev = ndev;
-
 	/* fill up the skb queue */
 	refill_skbs();
 
 	rtnl_lock();
-	err = __netpoll_setup(np);
+	err = __netpoll_setup(np, ndev);
 	rtnl_unlock();
 
 	if (err)