From e5ab1404d014cefe22e9a10fca00d0acf4fe412b Mon Sep 17 00:00:00 2001
From: Anthony Liguori <aliguori@us.ibm.com>
Date: Thu, 15 Mar 2012 11:29:56 -0500
Subject: [PATCH] pci: fix double free of romfile property

The qdev property release function frees any string properties.  This was
resulting in a double free during hot unplug.

It manifests in network devices because block devices have a NULL romfile
property by default.

Cc: Michael Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 hw/pci.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/hw/pci.c b/hw/pci.c
index bf046bfcad..ed8ec99073 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -841,7 +841,6 @@ static int pci_unregister_device(DeviceState *dev)
 
     pci_unregister_io_regions(pci_dev);
     pci_del_option_rom(pci_dev);
-    g_free(pci_dev->romfile);
     do_pci_unregister_device(pci_dev);
     return 0;
 }