From 879cd8cc2ba00f795913f296556e05f25afa7877 Mon Sep 17 00:00:00 2001
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Thu, 24 Sep 2009 15:42:25 +0100
Subject: [PATCH] Fix crash in device hotplug cleanup code

* src/qemu/qemu_driver.c: Fix crash in scenario where XML
  parsing of hotplugged device failed & thus 'dev' is NULL
---
 src/qemu/qemu_driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index cf225c15ce..155e4a3015 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4880,7 +4880,7 @@ cleanup:
     if (cgroup)
         virCgroupFree(&cgroup);
 
-    if (ret < 0) {
+    if (ret < 0 && dev != NULL) {
         if (qemuDomainSetDeviceOwnership(dom->conn, driver, dev, 1) < 0)
             VIR_WARN0("Fail to restore disk device ownership");
         virDomainDeviceDefFree(dev);