tipc: Eliminate use of user registry by configuration service

Simplifies TIPC's configuration service so that it no longer registers
its port with the user registry, since the service doesn't take advantage
of any of the registry's capabilities.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/config.c b/net/tipc/config.c
index bc51210..322367b 100644
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -38,15 +38,9 @@
 #include "port.h"
 #include "link.h"
 #include "name_table.h"
-#include "user_reg.h"
 #include "config.h"
 
-struct manager {
-	u32 user_ref;
-	u32 port_ref;
-};
-
-static struct manager mng = { 0};
+static u32 config_port_ref;
 
 static DEFINE_SPINLOCK(config_lock);
 
@@ -506,20 +500,16 @@
 	struct tipc_name_seq seq;
 	int res;
 
-	res = tipc_attach(&mng.user_ref);
-	if (res)
-		goto failed;
-
-	res = tipc_createport(mng.user_ref, NULL, TIPC_CRITICAL_IMPORTANCE,
+	res = tipc_createport(0, NULL, TIPC_CRITICAL_IMPORTANCE,
 			      NULL, NULL, NULL,
 			      NULL, cfg_named_msg_event, NULL,
-			      NULL, &mng.port_ref);
+			      NULL, &config_port_ref);
 	if (res)
 		goto failed;
 
 	seq.type = TIPC_CFG_SRV;
 	seq.lower = seq.upper = tipc_own_addr;
-	res = tipc_nametbl_publish_rsv(mng.port_ref, TIPC_ZONE_SCOPE, &seq);
+	res = tipc_nametbl_publish_rsv(config_port_ref, TIPC_ZONE_SCOPE, &seq);
 	if (res)
 		goto failed;
 
@@ -527,15 +517,13 @@
 
 failed:
 	err("Unable to create configuration service\n");
-	tipc_detach(mng.user_ref);
-	mng.user_ref = 0;
 	return res;
 }
 
 void tipc_cfg_stop(void)
 {
-	if (mng.user_ref) {
-		tipc_detach(mng.user_ref);
-		mng.user_ref = 0;
+	if (config_port_ref) {
+		tipc_deleteport(config_port_ref);
+		config_port_ref = 0;
 	}
 }