SCSI ioctls can ask for a lot of memory and fail. We don't need to vomit
in the log file for this case. Again taken from the Red Hat minor
patches applied for FC3.

Original-patch: Arjan van de Ven <arjanv@redhat.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>