From: Eric Blake <eblake@redhat.com>
Date: Fri, 22 Oct 2010 16:22:20 +0000 (-0600)
Subject: dnsmasq: avoid potential crash
X-Git-Tag: v0.8.5~46
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24a2663f70e336326d6054c626934927fd2a9528;p=thirdparty%2Flibvirt.git

dnsmasq: avoid potential crash

* src/util/dnsmasq.c (hostsfileAdd): Don't free uninitialized
memory on allocation failure.
---

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;