10077 usr/src/uts/ Makefile changes for smatch

@@ -10,10 +10,11 @@
 #
 
 #
 # Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 #
 # This makefile drives the production of the iwn driver kernel module.
 #
 # intel architecture dependent

@@ -53,10 +54,13 @@
 ALL_TARGET      = $(BINARY) $(CONFMOD) $(ITUMOD)
 INSTALL_TARGET  = $(BINARY) $(ROOTMODULE) $(ROOTFIRMWARE)
 
 LDFLAGS         += -dy -Nmisc/mac -Nmisc/net80211 -Ndrv/random -Ndrv/ip
 
+# needs work
+SMOFF += all_func_returns
+
 #
 #       Default build targets.
 #
 .KEEP_STATE: