http://bugzilla.kernel.org/show_bug.cgi?id=14825

sizeof(extlen), always will be sizeof( unit32_t) or 4
It seems that something is wrong?!?!
Signed-off-by: Pavel Vasilyev <pavel@pavlinux.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>