From b01352fc3c416ab66cfb910d9fd1e6a28ea98235 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 3 Feb 2009 13:58:19 +0200
Subject: [PATCH] Don't unregister unassigned PCI BAR

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/pci.c b/hw/pci.c
index 04aecc2d08..a6d57e5548 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -213,7 +213,7 @@ static void pci_unregister_io_regions(PCIDevice *pci_dev)
 
     for(i = 0; i < PCI_NUM_REGIONS; i++) {
         r = &pci_dev->io_regions[i];
-        if (!r->size)
+        if (!r->size || r->addr == -1)
             continue;
         if (r->type == PCI_ADDRESS_SPACE_IO) {
             isa_unassign_ioport(r->addr, r->size);
-- 
2.11.4.GIT