From fe1183a7cd536e625cbdce0babf1c54ed1d558ac Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Tue, 2 Feb 2010 20:54:01 +0100
Subject: [PATCH] interface_conf.c: don't use a negative value as allocation
 size

* src/conf/interface_conf.c (virInterfaceDefParseProtoIPv4): If
virXPathNodeSet returns -1, indicate failure by returning -1 right away.
(virInterfaceDefParseProtoIPv6): Likewise.
---
 src/conf/interface_conf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/conf/interface_conf.c b/src/conf/interface_conf.c
index 8a17ed6261..510df81307 100644
--- a/src/conf/interface_conf.c
+++ b/src/conf/interface_conf.c
@@ -1,7 +1,7 @@
 /*
  * interface_conf.c: interfaces XML handling
  *
- * Copyright (C) 2006-2009 Red Hat, Inc.
+ * Copyright (C) 2006-2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -320,6 +320,8 @@ virInterfaceDefParseProtoIPv4(virConnectPtr conn, virInterfaceProtocolDefPtr def
     }
 
     nIpNodes = virXPathNodeSet(conn, "./ip", ctxt, &ipNodes);
+    if (nIpNodes < 0)
+        return -1;
     if (ipNodes == NULL)
         return 0;
 
@@ -377,6 +379,8 @@ virInterfaceDefParseProtoIPv6(virConnectPtr conn, virInterfaceProtocolDefPtr def
     }
 
     nIpNodes = virXPathNodeSet(conn, "./ip", ctxt, &ipNodes);
+    if (nIpNodes < 0)
+        return -1;
     if (ipNodes == NULL)
         return 0;