tree 8bf7e4230355ec31f9d96d727a4a0b4a42e8acf9
parent 3909213cfd9224cb1827d557fb6eb5ebdb8ddcbe
author Michael S. Tsirkin <mst@redhat.com> 1421159698 +0200
committer Rusty Russell <rusty@rustcorp.com.au> 1421819935 +1030

virtio_pci_modern: support devices with no config

Virtio 1.0 spec lists device config as optional.
Set get/set callbacks to NULL. Drivers can check that
and fail gracefully.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>