10080 smatch Makefile changes for usr/src/cmd

@@ -21,11 +21,11 @@
 
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 # Copyright (c) 2012 by Delphix. All rights reserved.
-# Copyright 2017 Joyent, Inc.
+# Copyright (c) 2018, Joyent, Inc.
 # Copyright 2017 RackTop Systems.
 #
 
 PROG:sh=        cd ..; basename `pwd`
 SRCS= ../$(PROG).c ../zdb_il.c

@@ -52,10 +52,12 @@
 # in Makefile.master
 CERRWARN += -_gcc=-Wmissing-braces
 CERRWARN += -_gcc=-Wsign-compare
 CERRWARN += -_gcc=-Wmissing-field-initializers
 
+SMOFF += 64bit_shift,all_func_returns
+
 # lint complains about unused _umem_* functions
 LINTFLAGS += -xerroff=E_NAME_DEF_NOT_USED2
 LINTFLAGS64 += -xerroff=E_NAME_DEF_NOT_USED2
 
 # lint complains about unused inline functions, even though