10077 usr/src/uts/ Makefile changes for smatch

*** 21,31 ****
  
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright 2016 Joyent, Inc.
  #
  
  #       This makefile drives the production of the acpi_drv 
  #       driver kernel module.
  #
--- 21,31 ----
  
  #
  # 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 the acpi_drv 
  #       driver kernel module.
  #
*** 63,72 ****
--- 63,75 ----
  
  CPPFLAGS        += -DSUNDDI
  
  CERRWARN        += -_gcc=-Wno-unused-function
  
+ # needs work
+ $(OBJS_DIR)/acpi_video.o := SMOFF += all_func_returns
+ 
  LDFLAGS         += -dy -N misc/acpica
  
  #
  # For now, disable these lint checks; maintainers should endeavor
  # to investigate and remove these for maximum lint coverage.