10077 usr/src/uts/ Makefile changes for smatch

@@ -20,10 +20,11 @@
 #
 #
 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 #
 #       This makefile drives the production of the i8042 nexus driver
 #
 #       intel implementation architecture dependent

@@ -62,10 +63,13 @@
 LINTTAGS        += -erroff=E_BAD_PTR_CAST_ALIGN
 LINTTAGS        += -erroff=E_STATIC_UNUSED
 
 CERRWARN        += -_gcc=-Wno-unused-function
 
+# needs work
+$(OBJS_DIR)/i8042.o := SMOFF += all_func_returns
+
 #
 #       Default build targets.
 #
 .KEEP_STATE: