diff --git a/net/tipc/net.c b/net/tipc/net.c
index d4531b07076cc933cc646cbbf15adfc7c728cf67..5fab4ff24a946b2360ab0d750b198b1f8f96448a 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -178,11 +178,12 @@ int tipc_net_start(u32 addr)
 	tipc_subscr_stop();
 	tipc_cfg_stop();
 
+	write_lock_bh(&tipc_net_lock);
 	tipc_own_addr = addr;
 	tipc_named_reinit();
 	tipc_port_reinit();
-
 	tipc_bclink_init();
+	write_unlock_bh(&tipc_net_lock);
 
 	tipc_k_signal((Handler)tipc_subscr_start, 0);
 	tipc_k_signal((Handler)tipc_cfg_init, 0);