Phonet: basic net namespace support

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index f93ff8e..5491bf5 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -76,7 +76,7 @@
 		dev = pnd->netdev;
 		BUG_ON(!dev);
 
-		if (dev_net(dev) == net &&
+		if (net_eq(dev_net(dev), net) &&
 			(dev->reg_state == NETREG_REGISTERED) &&
 			((pnd->netdev->flags & IFF_UP)) == IFF_UP)
 			break;
@@ -140,12 +140,14 @@
 	return addr;
 }
 
-int phonet_address_lookup(u8 addr)
+int phonet_address_lookup(struct net *net, u8 addr)
 {
 	struct phonet_device *pnd;
 
 	spin_lock_bh(&pndevs.lock);
 	list_for_each_entry(pnd, &pndevs.list, list) {
+		if (!net_eq(dev_net(pnd->netdev), net))
+			continue;
 		/* Don't allow unregistering devices! */
 		if ((pnd->netdev->reg_state != NETREG_REGISTERED) ||
 				((pnd->netdev->flags & IFF_UP)) != IFF_UP)