Simplifying memory management.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214193415.1606752-2-eperezma@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>