10077 usr/src/uts/ Makefile changes for smatch

*** 22,35 ****
  # uts/intel/udp/Makefile
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! #       This makefile drives the production of the udp driver kernel module.
! #
! #       intel implementation architecture dependent
! #
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
--- 22,32 ----
  # uts/intel/udp/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 = ../..
*** 66,75 ****
--- 63,75 ----
  #
  #       depends on ip and sockfs
  #
  LDFLAGS         += -dy -Ndrv/ip -Nfs/sockfs
  
+ # needs work
+ $(OBJS_DIR)/udpddi.o := SMOFF += index_overflow
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: