diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index 451d875..80e219b 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -329,9 +329,10 @@
 				       unsigned int size,
 				       int reason)
 {
-	struct subscriber *subscriber = ref_lock((u32)usr_handle);
+	struct subscriber *subscriber;
 	spinlock_t *subscriber_lock;
 
+	subscriber = ref_lock((u32)(unsigned long)usr_handle);
 	if (subscriber == NULL)
 		return;
 
@@ -350,9 +351,10 @@
 				  const unchar *data,
 				  u32 size)
 {
-	struct subscriber *subscriber = ref_lock((u32)usr_handle);
+	struct subscriber *subscriber;
 	spinlock_t *subscriber_lock;
 
+	subscriber = ref_lock((u32)(unsigned long)usr_handle);
 	if (subscriber == NULL)
 		return;
 
@@ -409,7 +411,7 @@
 	/* Establish a connection to subscriber */
 
 	tipc_createport(topsrv.user_ref,
-			(void *)subscriber->ref,
+			(void *)(unsigned long)subscriber->ref,
 			importance,
 			0,
 			0,