Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index d793b43..aa015c2 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -77,8 +77,9 @@
 			     u32 found_lower, u32 found_upper,
 			     u32 event, u32 port, u32 node,
 			     u32 scope, int must);
-int tipc_topsrv_start(struct net *net);
-void tipc_topsrv_stop(struct net *net);
+
+int __net_init tipc_topsrv_init_net(struct net *net);
+void __net_exit tipc_topsrv_exit_net(struct net *net);
 
 void tipc_sub_put(struct tipc_subscription *subscription);
 void tipc_sub_get(struct tipc_subscription *subscription);