10080 smatch Makefile changes for usr/src/cmd

@@ -16,15 +16,15 @@
 # fields enclosed by brackets "[]" replaced with your own identifying
 # information: Portions Copyright [yyyy] [name of copyright owner]
 #
 # CDDL HEADER END
 # 
-#
 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 # Copyright 2018 RackTop Systems.
+# Copyright (c) 2018, Joyent, Inc.
 #
 
 FMADIR = $(SRC)/cmd/fm
 EVERDIR = $(FMADIR)/eversholt
 EVERCMNSRC = $(EVERDIR)/common

@@ -49,10 +49,12 @@
 CERRWARN += -_gcc=-Wno-uninitialized
 CERRWARN += -_gcc=-Wno-unused-label
 CERRWARN += -_gcc=-Wno-parentheses
 CERRWARN += -_gcc=-Wno-switch
 
+SMOFF += all_func_returns
+
 CTFCONVO = $(CTFCONVERT_O)
 CTFMRG = $(CTFMERGE) -L VERSION -o $@ $(OBJS)
 
 debug := COPTFLAG =
 debug := COPTFLAG64 =