10077 usr/src/uts/ Makefile changes for smatch

@@ -8,11 +8,11 @@
 # source.  A copy of the CDDL is also available via the Internet at
 # http://www.illumos.org/license/CDDL.
 #
 
 #
-# Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+# Copyright (c) 2018, Joyent, Inc.
 #
 
 #
 #       Path to the base of the uts directory tree (usually /usr/src/uts).
 #

@@ -47,10 +47,13 @@
 CERRWARN        += -_gcc=-Wno-switch
 CERRWARN        += -_gcc=-Wno-unused-variable
 CERRWARN        += -_gcc=-Wno-unused-label
 CERRWARN        += -_gcc=-Wno-unused-function
 
+# needs work
+SMOFF += all_func_returns
+
 LINTTAGS        += -erroff=E_FUNC_VAR_UNUSED
 LINTTAGS        += -erroff=E_FUNC_ARG_UNUSED
 LINTTAGS        += -erroff=E_STATIC_UNUSED
 LINTTAGS        += -erroff=E_FUNC_SET_NOT_USED
 LINTTAGS        += -erroff=E_FUNC_RET_MAYBE_IGNORED2