Calling suspend or resume requires VIRTIO_CONFIG_S_DRIVER_OK, for all vdpa devices. Suggested-by: Eugenio Perez Martin <eperezma@xxxxxxxxxx>" Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx> --- drivers/vhost/vdpa.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index bc4a51e4638b..ce1882acfc3b 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -598,6 +598,9 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v) if (!ops->suspend) return -EOPNOTSUPP; + if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK)) + return -EINVAL; + ret = ops->suspend(vdpa); if (!ret) v->suspended = true; @@ -618,6 +621,9 @@ static long vhost_vdpa_resume(struct vhost_vdpa *v) if (!ops->resume) return -EOPNOTSUPP; + if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK)) + return -EINVAL; + ret = ops->resume(vdpa); if (!ret) v->suspended = false; -- 2.39.3
