net: pppoe,pppol2tp - register channels with explicit net

In PPPo[E|L2TP] we could explicitly point which net namespace
we're going to use for channels - make it so.
Signed-off-by: NCyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: NJames Chapman <jchapman@katalix.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/pppoe.c

@@ -695,7 +695,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 		po->chan.private = sk;
 		po->chan.ops = &pppoe_chan_ops;
 
-		error = ppp_register_channel(&po->chan);
+		error = ppp_register_net_channel(dev_net(dev), &po->chan);
 		if (error)
 			goto err_put;
 

drivers/net/pppol2tp.c

@@ -1749,7 +1749,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
 	po->chan.ops	 = &pppol2tp_chan_ops;
 	po->chan.mtu	 = session->mtu;
 
-	error = ppp_register_channel(&po->chan);
+	error = ppp_register_net_channel(sock_net(sk), &po->chan);
 	if (error)
 		goto end_put_tun;