10077 usr/src/uts/ Makefile changes for smatch

*** 20,34 ****
  #
  #
  # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! #       This makefile drives the production of the Kernel Cryptographic
! #       Framework core module.
! #
! #       Intel implementation architecture dependent
! #
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
--- 20,30 ----
  #
  #
  # Copyright 2010 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 = ../..
*** 72,81 ****
--- 68,80 ----
  CERRWARN        += -_gcc=-Wno-switch
  CERRWARN        += -_gcc=-Wno-uninitialized
  CERRWARN        += -_gcc=-Wno-parentheses
  CERRWARN        += -_gcc=-Wno-unused-label
  
+ # needs work
+ SMOFF += all_func_returns,signed_integer_overflow_check
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: