In message <20070601142359.GA32652 at localhost.sw.ru>, Alexey Dobriyan writes: > getname() returns 0 or ERR_PTR, so should be checked with IS_ERR. > Forgotten __getname() is ... Alexey, thanks for the report. Both of these have long been fixed in unionfs2. If you use unionfs 1.x, we strongly recommend you upgrade to 2.0. Cheers, Erez.