K 10 svn:author V 6 daichi K 8 svn:date V 27 2007-10-14T13:50:58.000000Z K 7 svn:log V 232 Added NULL check code pointed out by Coverity. (via Stanislav Sedov. Thanks) Submitted by: Masanori Ozawa (unionfs developer) Reviewed by: jeff, kensmith Approved by: re (kensmith) MFC after: 1 week END