10703 smatch unreachable code checking needs reworking
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>

@@ -20,11 +20,12 @@
 #
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# Copyright (c) 2018, Joyent, Inc.
+# Copyright 2019 Joyent, Inc.
+#
 
 PROG=   zonecfg
 OBJS=   zonecfg.o zonecfg_lex.o zonecfg_grammar.tab.o
 
 include ../Makefile.cmd

@@ -47,10 +48,13 @@
 CERRWARN +=     -_gcc=-Wno-unused-variable
 CERRWARN +=     -_gcc=-Wno-implicit-function-declaration
 
 SMOFF += all_func_returns
 
+# false positive
+zonecfg_lex.o := SMOFF += free
+
 CLOBBERFILES += $(PROG).ln
 
 .KEEP_STATE:
 
 all: $(PROG)