--- pci.c.orig	2007-02-06 09:16:32.000000000 -0800
+++ pci.c	2007-02-06 09:15:40.000000000 -0800
@@ -93,6 +93,10 @@
         return NULL;
     found: ;
     }
+
+    /* Verify the instance size meets the minimum size */
+    instance_size = MAX(instance_size,sizeof(PCIDevice));
+
     pci_dev = qemu_mallocz(instance_size);
     if (!pci_dev)
         return NULL;