--- kernel/resource.c.orig	2005-03-10 14:57:58.317008676 -0500
+++ kernel/resource.c	2005-03-10 14:58:02.310172689 -0500
@@ -495,20 +495,21 @@
 			break;
 		if (res->start <= start && res->end >= end) {
 			if (!(res->flags & IORESOURCE_BUSY)) {
 				p = &res->child;
 				continue;
 			}
 			if (res->start != start || res->end != end)
 				break;
 			*p = res->sibling;
 			write_unlock(&resource_lock);
+			memset(res, 0, sizeof(*res));
 			kfree(res);
 			return;
 		}
 		p = &res->sibling;
 	}
 
 	write_unlock(&resource_lock);
 
 	printk(KERN_WARNING "Trying to free nonexistent resource <%08lx-%08lx>\n", start, end);
 }