10077 usr/src/uts/ Makefile changes for smatch

@@ -22,14 +22,11 @@
 # uts/intel/arp/Makefile
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-#       This makefile drives the production of the arp driver kernel module.
-#
-#       intel implementation architecture dependent
-#
+# Copyright (c) 2018, Joyent, Inc.
 
 #
 #       Path to the base of the uts directory tree (usually /usr/src/uts).
 #
 UTSBASE = ../..

@@ -74,10 +71,13 @@
 # Please do not carry these forward to new Makefiles.
 #
 LINTTAGS        += -erroff=E_BAD_PTR_CAST_ALIGN
 LINTTAGS        += -erroff=E_ASSIGN_NARROW_CONV
 
+# false positive
+SMOFF += index_overflow
+
 #
 #       Default build targets.
 #
 .KEEP_STATE: