Index: lpt.c
===================================================================
--- lpt.c	（版本 184151）
+++ lpt.c	（工作副本）
@@ -399,7 +399,7 @@
 	sc->cdev_bypass = make_dev(&lpt_cdevsw, unit,
 	    UID_ROOT, GID_WHEEL, 0600, LPT_NAME "%d.ctl", unit);
 	sc->cdev_bypass->si_drv1 = sc;
-	sc->cdev_bypass->si_drv2 = LP_BYPASS;
+	sc->cdev_bypass->si_drv2 = (void *)(intptr_t)LP_BYPASS;
 	return (0);
 }
 
@@ -476,7 +476,7 @@
 	} else
 		sc->sc_state |= LPTINIT;
 
-	sc->sc_flags = dev->si_drv2;
+	sc->sc_flags = (char)(intptr_t)dev->si_drv2;
 
 	/* Check for open with BYPASS flag set. */
 	if (sc->sc_flags & LP_BYPASS) {
Index: ppi.c
===================================================================
--- ppi.c	（版本 184151）
+++ ppi.c	（工作副本）
@@ -171,7 +171,7 @@
 		 UID_ROOT, GID_WHEEL,
 		 0600, "ppi%d", device_get_unit(dev));
 	if (ppi->ppi_cdev == NULL) {
-		device_printf("Failed to create character device\n");
+		device_printf(dev, "Failed to create character device\n");
 		return (ENXIO);
 	}
 	ppi->ppi_cdev->si_drv1 = ppi;
@@ -496,6 +496,7 @@
 {
 	struct ppi_data *ppi = dev->si_drv1;
 	device_t ppidev = ppi->ppi_device;
+	device_t ppbus = device_get_parent(ppidev);
 	int error = 0;
 	u_int8_t *val = (u_int8_t *)data;