netns bridge: cleanup bridges during netns stop

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Stephen Hemminger <shemming@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 16 insertions, 6 deletions

diff --git a/net/bridge/br.c b/net/bridge/br.c
index 573acdf6f9f..4d2c1f1cb52 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -28,6 +28,10 @@ static const struct stp_proto br_stp_proto = {
 	.rcv	= br_stp_rcv,
 };
 
+static struct pernet_operations br_net_ops = {
+	.exit	= br_net_exit,
+};
+
 static int __init br_init(void)
 {
 	int err;
@@ -42,18 +46,22 @@ static int __init br_init(void)
 	if (err)
 		goto err_out;
 
-	err = br_netfilter_init();
+	err = register_pernet_subsys(&br_net_ops);
 	if (err)
 		goto err_out1;
 
-	err = register_netdevice_notifier(&br_device_notifier);
+	err = br_netfilter_init();
 	if (err)
 		goto err_out2;
 
-	err = br_netlink_init();
+	err = register_netdevice_notifier(&br_device_notifier);
 	if (err)
 		goto err_out3;
 
+	err = br_netlink_init();
+	if (err)
+		goto err_out4;
+
 	brioctl_set(br_ioctl_deviceless_stub);
 	br_handle_frame_hook = br_handle_frame;
 
@@ -61,10 +69,12 @@ static int __init br_init(void)
 	br_fdb_put_hook = br_fdb_put;
 
 	return 0;
-err_out3:
+err_out4:
 	unregister_netdevice_notifier(&br_device_notifier);
-err_out2:
+err_out3:
 	br_netfilter_fini();
+err_out2:
+	unregister_pernet_subsys(&br_net_ops);
 err_out1:
 	br_fdb_fini();
 err_out:
@@ -80,7 +90,7 @@ static void __exit br_deinit(void)
 	unregister_netdevice_notifier(&br_device_notifier);
 	brioctl_set(NULL);
 
-	br_cleanup_bridges();
+	unregister_pernet_subsys(&br_net_ops);
 
 	synchronize_net();