10077 usr/src/uts/ Makefile changes for smatch

*** 22,31 ****
--- 22,32 ----
  # uts/intel/tnf/Makefile
  #
  # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  #
  #       tnf (kernel trace driver) Makefile
  #
  #       intel architecture dependent
*** 66,75 ****
--- 67,80 ----
  LINTTAGS        += -erroff=E_PTRDIFF_OVERFLOW
  LINTTAGS        += -erroff=E_ASSIGN_NARROW_CONV
  
  CERRWARN        += -_gcc=-Wno-parentheses
  CERRWARN        += -_gcc=-Wno-uninitialized
+ 
+ # needs work
+ $(OBJS_DIR)/tnf_writer.o := SMOFF += all_func_returns
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: