err = vhost_user_get_features(dev, &features);
if (err < 0) {
+ error_setg_errno(errp, -err, "vhost_backend_init failed");
return err;
}
err = vhost_user_get_u64(dev, VHOST_USER_GET_PROTOCOL_FEATURES,
&protocol_features);
if (err < 0) {
+ error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
return -EPROTO;
}
err = vhost_user_set_protocol_features(dev, dev->protocol_features);
if (err < 0) {
+ error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
return -EPROTO;
}
err = vhost_user_get_u64(dev, VHOST_USER_GET_QUEUE_NUM,
&dev->max_queues);
if (err < 0) {
+ error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
return -EPROTO;
}
} else {
} else {
err = vhost_user_get_max_memslots(dev, &ram_slots);
if (err < 0) {
+ error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
return -EPROTO;
}
if (dev->vq_index == 0) {
err = vhost_setup_slave_channel(dev);
if (err < 0) {
+ error_setg_errno(errp, EPROTO, "vhost_backend_init failed");
return -EPROTO;
}
}
VhostBackendType backend_type, uint32_t busyloop_timeout,
Error **errp)
{
- ERRP_GUARD();
uint64_t features;
int i, r, n_initialized_vqs = 0;
r = hdev->vhost_ops->vhost_backend_init(hdev, opaque, errp);
if (r < 0) {
- if (!*errp) {
- error_setg_errno(errp, -r, "vhost_backend_init failed");
- }
goto fail;
}