Index: dev/vt/vt_core.c
===================================================================
--- dev/vt/vt_core.c	(revision 259154)
+++ dev/vt/vt_core.c	(working copy)
@@ -1294,37 +1295,55 @@
 	switch (cmd) {
 	case _IO('v', 4):
 		cmd = VT_RELDISP;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('v', 5):
 		cmd = VT_ACTIVATE;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('v', 6):
 		cmd = VT_WAITACTIVE;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 20):
 		cmd = KDSKBSTATE;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 67):
 		cmd = KDSETRAD;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 7):
 		cmd = KDSKBMODE;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 8):
 		cmd = KDMKTONE;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 63):
 		cmd = KIOCSOUND;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('K', 66):
 		cmd = KDSETLED;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	case _IO('c', 110):
 		cmd = CONS_SETKBD;
+		ival = IOCPARM_IVAL(data);
+		data = (caddr_t)&ival;
 		break;
 	}
-	ival = IOCPARM_IVAL(data);
-	data = (caddr_t)&ival;
 #endif
 
 	switch (cmd) {