Use -ENOSPC instead of -ENOMEM when the iforce device doesn't have
enough free memory for the new effect.  All other drivers are using
-ENOSPC, so this makes the behaviour coherent.
Signed-off-by: NAnssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>