10077 usr/src/uts/ Makefile changes for smatch

@@ -20,10 +20,11 @@
 #
 #
 # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 #
 #       This file makes the atheros driver for an intel system
 #
 #       intel architecture dependent

@@ -64,10 +65,13 @@
 
 CERRWARN        += -_gcc=-Wno-type-limits
 CERRWARN        += -_gcc=-Wno-unused-variable
 CERRWARN        += -_gcc=-Wno-empty-body
 
+# needs work
+$(OBJS_DIR)/ath_rate.o := SMOFF += index_overflow
+
 #
 #       Default build targets.
 #
 .KEEP_STATE: