From d6fc48ec6861382baf7a73215896a7882b9485b3 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 3 Feb 2009 13:58:19 +0200
Subject: [PATCH 62/70] kvm: qemu: Don't unregister unassigned PCI BAR

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
RH-Upstream-status: applied(kvm/master)
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
---
 qemu/hw/pci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/qemu/hw/pci.c b/qemu/hw/pci.c
index ae5dd53..4abf11b 100644
--- a/qemu/hw/pci.c
+++ b/qemu/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);
-- 
1.6.1