[PATCH v1 net-next 12/14] bareudp: Convert bareudp_exit_batch_rtnl() to ->exit_rtnl().

[Kuniyuki Iwashima <kuniyu@amazon.com>]

bareudp_exit_batch_rtnl() iterates the dying netns list and performs the
same operation for each.

Let's use ->exit_rtnl().

While at it, we replace unregister_netdevice_queue() with
bareudp_dellink() for better cleanup.  It unlinks the device
from net_generic(net, bareudp_net_id)->bareudp_list, but there
is no real issue as both the dev and the list are freed later.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
---
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
---
 drivers/net/bareudp.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index d1473c5f8eef..a9dffdcac805 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -777,27 +777,19 @@ static __net_init int bareudp_init_net(struct net *net)
 	return 0;
 }
 
-static void bareudp_destroy_tunnels(struct net *net, struct list_head *head)
+static void __net_exit bareudp_exit_rtnl_net(struct net *net,
+					     struct list_head *dev_kill_list)
 {
 	struct bareudp_net *bn = net_generic(net, bareudp_net_id);
 	struct bareudp_dev *bareudp, *next;
 
 	list_for_each_entry_safe(bareudp, next, &bn->bareudp_list, next)
-		unregister_netdevice_queue(bareudp->dev, head);
-}
-
-static void __net_exit bareudp_exit_batch_rtnl(struct list_head *net_list,
-					       struct list_head *dev_kill_list)
-{
-	struct net *net;
-
-	list_for_each_entry(net, net_list, exit_list)
-		bareudp_destroy_tunnels(net, dev_kill_list);
+		bareudp_dellink(bareudp->dev, dev_kill_list);
 }
 
 static struct pernet_operations bareudp_net_ops = {
 	.init = bareudp_init_net,
-	.exit_batch_rtnl = bareudp_exit_batch_rtnl,
+	.exit_rtnl = bareudp_exit_rtnl_net,
 	.id   = &bareudp_net_id,
 	.size = sizeof(struct bareudp_net),
 };
-- 
2.49.0