mctp_dev_hold
void mctp_dev_hold(struct mctp_dev *mdev);
mctp_dev_hold(dev);
mctp_dev_hold(neigh->dev);
mctp_dev_hold(rt->dev);
mctp_dev_hold(rt->dev);
mctp_dev_hold(route->dev);
mctp_dev_hold(dev->mdev);
mctp_dev_hold(dev);