From: Anthony Liguori <aliguori@us.ibm.com>
Date: Thu, 15 Mar 2012 16:29:56 +0000 (-0500)
Subject: pci: fix double free of romfile property
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~1405^2~17^2~727
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e5ab1404d014cefe22e9a10fca00d0acf4fe412b;p=sdk%2Femulator%2Fqemu.git

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>
---

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;
 }