tipc: make subscriber server support net namespace
TIPC establishes one subscriber server which allows users to subscribe
their interesting name service status. After tipc supports namespace,
one dedicated tipc stack instance is created for each namespace, and
each instance can be deemed as one independent TIPC node. As a result,
subscriber server must be built for each namespace.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Tero Aho <Tero.Aho@coriant.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/core.c b/net/tipc/core.c
index 7c09670..4a8b795 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -68,8 +68,14 @@
err = tipc_nametbl_init(net);
if (err)
goto out_nametbl;
+
+ err = tipc_subscr_start(net);
+ if (err)
+ goto out_subscr;
return 0;
+out_subscr:
+ tipc_nametbl_stop(net);
out_nametbl:
tipc_sk_rht_destroy(net);
out_sk_rht:
@@ -78,6 +84,7 @@
static void __net_exit tipc_exit_net(struct net *net)
{
+ tipc_subscr_stop(net);
tipc_net_stop(net);
tipc_nametbl_stop(net);
tipc_sk_rht_destroy(net);
@@ -104,10 +111,6 @@
get_random_bytes(&tipc_random, sizeof(tipc_random));
- err = register_pernet_subsys(&tipc_net_ops);
- if (err)
- goto out_pernet;
-
err = tipc_netlink_start();
if (err)
goto out_netlink;
@@ -120,9 +123,9 @@
if (err)
goto out_sysctl;
- err = tipc_subscr_start();
+ err = register_pernet_subsys(&tipc_net_ops);
if (err)
- goto out_subscr;
+ goto out_pernet;
err = tipc_bearer_setup();
if (err)
@@ -131,28 +134,25 @@
pr_info("Started in single node mode\n");
return 0;
out_bearer:
- tipc_subscr_stop();
-out_subscr:
+ unregister_pernet_subsys(&tipc_net_ops);
+out_pernet:
tipc_unregister_sysctl();
out_sysctl:
tipc_socket_stop();
out_socket:
tipc_netlink_stop();
out_netlink:
- unregister_pernet_subsys(&tipc_net_ops);
-out_pernet:
pr_err("Unable to start in single node mode\n");
return err;
}
static void __exit tipc_exit(void)
{
- unregister_pernet_subsys(&tipc_net_ops);
tipc_bearer_cleanup();
tipc_netlink_stop();
- tipc_subscr_stop();
tipc_socket_stop();
tipc_unregister_sysctl();
+ unregister_pernet_subsys(&tipc_net_ops);
pr_info("Deactivated\n");
}