From 24a2663f70e336326d6054c626934927fd2a9528 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Fri, 22 Oct 2010 10:22:20 -0600
Subject: [PATCH] dnsmasq: avoid potential crash

* src/util/dnsmasq.c (hostsfileAdd): Don't free uninitialized
memory on allocation failure.
---
 src/util/dnsmasq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/dnsmasq.c b/src/util/dnsmasq.c
index 2cb25bf8f2..3c0506cdaa 100644
--- a/src/util/dnsmasq.c
+++ b/src/util/dnsmasq.c
@@ -79,7 +79,7 @@ hostsfileAdd(dnsmasqHostsfile *hostsfile,
              virSocketAddr *ip,
              const char *name)
 {
-    char *ipstr;
+    char *ipstr = NULL;
     if (VIR_REALLOC_N(hostsfile->hosts, hostsfile->nhosts + 1) < 0)
         goto alloc_error;
 
-- 
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