10076 make usr/src/test smatch clean

@@ -10,10 +10,11 @@
 #
 
 #
 # Copyright (c) 2012 by Delphix. All rights reserved.
 # Copyright 2017 Gordon W. Ross
+# Copyright (c) 2018, Joyent, Inc.
 #
 
 include $(SRC)/cmd/Makefile.cmd
 include $(SRC)/test/Makefile.com
 

@@ -23,10 +24,13 @@
 
 LDLIBS += -lsocket
 CSTD = $(CSTD_GNU99)
 CPPFLAGS += -D_XOPEN_SOURCE=600 -D__EXTENSIONS__
 
+# needs work
+SMOFF += all_func_returns
+
 nosignal := LDLIBS += -lnsl
 nosignal.ln := LDLIBS += -lnsl
 
 ROOTOPTPKG = $(ROOT)/opt/os-tests
 TESTDIR = $(ROOTOPTPKG)/tests/sockfs