10077 usr/src/uts/ Makefile changes for smatch

@@ -20,11 +20,13 @@
 #
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
+
 #
 #       This makefile drives the production of NS/SiS
 #       Fast Ethernet (SFE) driver module in intel systems
 #
 

@@ -76,10 +78,13 @@
 CERRWARN        += -_gcc=-Wno-unused-label
 CERRWARN        += -_gcc=-Wno-switch
 CERRWARN        += -_gcc=-Wno-parentheses
 CERRWARN        += -_gcc=-Wno-uninitialized
 
+# needs work
+SMOFF += all_func_returns
+
 #
 # Driver depends on MAC & IP
 #
 LDFLAGS         += -dy -N misc/mac -N drv/ip