10077 usr/src/uts/ Makefile changes for smatch

*** 22,36 ****
  # uts/intel/dadk/Makefile
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! #       This makefile drives the production of the dadk "misc"
! #       kernel module.
! #
! #       intel architecture dependent
! #
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
--- 22,32 ----
  # uts/intel/dadk/Makefile
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright (c) 2018, Joyent, Inc.
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
*** 73,82 ****
--- 69,81 ----
  #
  LINTTAGS        += -erroff=E_ASSIGN_NARROW_CONV
  
  CERRWARN        += -_gcc=-Wno-parentheses
  
+ # needs work
+ SMOFF += all_func_returns,signed
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: