If we hit the depth limit, filename leaks. Move the depth check up before we
allocate filename.
Introduced in 226622349a4b1e16064649d4444a34fb4be4f464.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>