$NetBSD: patch-aj,v 1.1 2001/03/16 13:59:54 wiz Exp $

--- port.c.orig	Wed Apr 10 12:52:15 1996
+++ port.c
@@ -63,7 +63,7 @@
 	goto bad;
     }
     while (cnt--) {
-	ioports[port/32] |= (1 << (port%32));
+	ioports[port/32] &= ~(1 << (port%32));
 	port++;
     }
     if (i386_set_ioperm(ioports) < 0) {
@@ -82,7 +82,7 @@
 	goto bad;
     }
     while (cnt--) {
-	ioports[port/32] &= ~(1 << (port%32));
+	ioports[port/32] |= (1 << (port%32));
 	port++;
     }
     if (i386_set_ioperm(ioports) < 0) {
@@ -169,6 +169,10 @@
 	    portsw[i].p_inb = inb_nullport;
 	if (portsw[i].p_outb == 0)
 	    portsw[i].p_outb = outb_nullport;
+    }
+
+    for (i = 0; i < MAXPORT/32; i++) {
+	ioports[i] = 0xffffffff;
     }
 }