reference_dev
sdev = reference_dev(sdev);
reference_dev(dev); /* save ref for later destroy_dev() */
reference_dev(sc->devt);
tp->t_dev = reference_dev(sc->sc_cdev);
reference_dev(dmv->devt);
reference_dev(sp->dev);
reference_dev(sc->dev);
reference_dev(atacdev);
reference_dev(cdev);
reference_dev(cdev);
reference_dev(cdev);
reference_dev(evdev->ev_cdev);
reference_dev(dev);
reference_dev(dev);
reference_dev(vga_switcheroo_dev);
reference_dev(devfs_dev);
reference_dev(devfs_dev);
vp->v_rdev = reference_dev(dev);
reference_dev(dev);
reference_dev(dev); /* device association */
reference_dev(dev); /* device association */
cdev_t reference_dev (cdev_t dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(dev);
reference_dev(node->d_dev);