[libvirt] [PATCH] network/bridge_driver.c: avoid potential NULL-dereference

Jim Meyering jim at meyering.net
Tue Jan 5 14:51:10 UTC 2010


obvious typo:

>From 6f0810192dc6d9b223f2f973812fd787f398576c Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering at redhat.com>
Date: Tue, 5 Jan 2010 15:48:42 +0100
Subject: [PATCH] network/bridge_driver.c: avoid potential NULL-dereference

* src/network/bridge_driver.c (networkBuildDnsmasqArgv): Correct
test for NULL *argv.
---
 src/network/bridge_driver.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index abee78c..69809b3 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -1,7 +1,7 @@
 /*
  * driver.c: core driver methods for managing qemu guests
  *
- * Copyright (C) 2006-2009 Red Hat, Inc.
+ * Copyright (C) 2006-2010 Red Hat, Inc.
  * Copyright (C) 2006 Daniel P. Berrange
  *
  * This library is free software; you can redistribute it and/or
@@ -513,7 +513,7 @@ networkBuildDnsmasqArgv(virConnectPtr conn,
     return 0;

  no_memory:
-    if (argv) {
+    if (*argv) {
         for (i = 0; (*argv)[i]; i++)
             VIR_FREE((*argv)[i]);
         VIR_FREE(*argv);
--
1.6.6.384.g14e6a




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