return EFI_OUT_OF_RESOURCES if pool allocating fail. Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Anthony Perard <anthony.perard@citrix.com> Cc: Julien Grall <julien@xen.org> Signed-off-by: Wenyi Xie <xiewenyi2@huawei.com> Message-Id: <1606183592-81879-2-git-send-email-xiewenyi2@huawei.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>