10685 SMB code needs smatch fixes

@@ -22,10 +22,12 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 # Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
 #
+# Copyright 2019, Joyent, Inc.
+#
 
 LIBRARY =       libfksmbfs.a
 VERS =          .1
 
 OBJS_LOCAL = \

@@ -102,10 +104,13 @@
 CPPFLAGS += -DDEBUG
 
 CERRWARN += -_gcc=-Wno-switch
 CERRWARN += -_gcc=-Wno-parentheses
 
+# needs work
+SMOFF += all_func_returns,deref_check,signed,or_vs_and
+
 LDLIBS +=       $(MACH_LDLIBS)
 LDLIBS +=       -lfknsmb -lfakekernel -lidmap -lcmdutils -lavl -lc
 
 FS_SMBFS_DIR=$(SRC)/uts/common/fs/smbclnt/smbfs
 CMN_SMBFS_DIR=$(SRC)/common/smbclnt