diff options
| -rw-r--r-- | hw/virtio/vhost-backend.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c index 4e31de1..cb055e8 100644 --- a/hw/virtio/vhost-backend.c +++ b/hw/virtio/vhost-backend.c @@ -309,7 +309,10 @@ int vhost_backend_update_device_iotlb(struct vhost_dev *dev, return -EINVAL; } - return dev->vhost_ops->vhost_send_device_iotlb_msg(dev, &imsg); + if (dev->vhost_ops && dev->vhost_ops->vhost_send_device_iotlb_msg) + return dev->vhost_ops->vhost_send_device_iotlb_msg(dev, &imsg); + + return -ENODEV; } int vhost_backend_invalidate_device_iotlb(struct vhost_dev *dev, @@ -321,7 +324,10 @@ int vhost_backend_invalidate_device_iotlb(struct vhost_dev *dev, imsg.size = len; imsg.type = VHOST_IOTLB_INVALIDATE; - return dev->vhost_ops->vhost_send_device_iotlb_msg(dev, &imsg); + if (dev->vhost_ops && dev->vhost_ops->vhost_send_device_iotlb_msg) + return dev->vhost_ops->vhost_send_device_iotlb_msg(dev, &imsg); + + return -ENODEV; } int vhost_backend_handle_iotlb_msg(struct vhost_dev *dev, |