10685 SMB code needs smatch fixes

*** 19,28 ****
--- 19,29 ----
  # CDDL HEADER END
  #
  #
  # Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
+ # Copyright 2019, Joyent, Inc.
  #
  
  PROG=   fksmbcl
  
  OBJS_LOCAL = \
*** 66,75 ****
--- 67,79 ----
  CPPFLAGS += -D_LARGEFILE64_SOURCE=1
  CPPFLAGS += -DFKSMBCL
  # Always want DEBUG here
  CPPFLAGS += -DDEBUG
  
+ # needs work
+ SMOFF += all_func_returns
+ 
  CSTD=           $(CSTD_GNU99)
  
  CFLAGS += $(CCVERBOSE)
  CFLAGS64 += $(CCVERBOSE)