virtio_pci_modern: support devices with no config
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 13 Jan 2015 14:34:58 +0000 (16:34 +0200)
committerRusty Russell <rusty@rustcorp.com.au>
Wed, 21 Jan 2015 05:58:55 +0000 (16:28 +1030)
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>

No differences found