File 0003-ares_init.c-fix-segfault-triggered-in-ares_init_opti.patch of Package libcares2

From 8f917639055e4e190c6045afffa65cb56caa5463 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Wed, 7 Sep 2011 00:30:53 +0200
Subject: [PATCH 3/3] ares_init.c: fix segfault triggered in ares_init_options() upon previous
              failure of init_by_defaults() and incomplete cleanup there.
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Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org>
---
 ares_init.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/ares_init.c b/ares_init.c
index 44d4cf9..e163289 100644
--- a/ares_init.c
+++ b/ares_init.c
@@ -1249,15 +1249,22 @@ static int init_by_defaults(ares_channel channel)
 
   error:
   if(rc) {
-    if(channel->servers)
+    if(channel->servers) {
       free(channel->servers);
+      channel->servers = NULL;
+    }
 
     if(channel->domains && channel->domains[0])
       free(channel->domains[0]);
-    if(channel->domains)
+    if(channel->domains) {
       free(channel->domains);
-    if(channel->lookups)
+      channel->domains = NULL;
+    }
+
+    if(channel->lookups) {
       free(channel->lookups);
+      channel->lookups = NULL;
+    }
   }
 
   if(hostname)
-- 
1.7.4.1