tipc: Remove user registry subsystem

Eliminates routines, data structures, and files that make up TIPC's
user registry. The user registry is no longer needed since the native
API routines that utilized it no longer exist and there are no longer
any internal TIPC services that use it.

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/port.c b/net/tipc/port.c
index c033cb8..33d0b3b 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -38,7 +38,6 @@
 #include "config.h"
 #include "port.h"
 #include "name_table.h"
-#include "user_reg.h"
 
 /* Connection management: */
 #define PROBING_INTERVAL 3600000	/* [ms] => 1 h */
@@ -272,7 +271,6 @@
 		tipc_nodesub_unsubscribe(&p_ptr->subscription);
 	}
 	if (p_ptr->user_port) {
-		tipc_reg_remove_port(p_ptr->user_port);
 		kfree(p_ptr->user_port);
 	}
 
@@ -934,12 +932,10 @@
 }
 
 /*
- * tipc_createport(): user level call. Will add port to
- *                    registry if non-zero user_ref.
+ * tipc_createport(): user level call.
  */
 
-int tipc_createport(u32 user_ref,
-		    void *usr_handle,
+int tipc_createport(void *usr_handle,
 		    unsigned int importance,
 		    tipc_msg_err_event error_cb,
 		    tipc_named_msg_err_event named_error_cb,
@@ -966,7 +962,6 @@
 	}
 
 	p_ptr->user_port = up_ptr;
-	up_ptr->user_ref = user_ref;
 	up_ptr->usr_handle = usr_handle;
 	up_ptr->ref = p_ptr->publ.ref;
 	up_ptr->err_cb = error_cb;
@@ -976,8 +971,6 @@
 	up_ptr->named_msg_cb = named_msg_cb;
 	up_ptr->conn_msg_cb = conn_msg_cb;
 	up_ptr->continue_event_cb = continue_event_cb;
-	INIT_LIST_HEAD(&up_ptr->uport_list);
-	tipc_reg_add_port(up_ptr);
 	*portref = p_ptr->publ.ref;
 	tipc_port_unlock(p_ptr);
 	return 0;