virtio_scsi: enable VQs early on restore
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 14 Oct 2014 23:52:32 +0000 (10:22 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 14 Oct 2014 23:55:08 +0000 (10:25 +1030)
commit52c9cf1ac3d315995e9a65b900bc25e1d8a538b3
tree6c10b56f785e5476ca88b00b624fe871538fdd0b
parent6d62c37f1991aafc872f8d8be8ac60e57ede8605
virtio_scsi: enable VQs early on restore

virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after restore returns, virtio scsi violated
this rule on restore by kicking event vq within restore.

To fix, call virtio_device_ready before using event queue.

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