From: Amos Jeffries <amosjeffries@squid-cache.org>
Date: Mon, 25 Oct 2010 06:40:45 +0000 (-0600)
Subject: Author: Marcin Wisnicki <mwisnicki@gmail.com>
X-Git-Tag: SQUID_3_1_9~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2163155851ce8fbef00083407f333a7b41dca83e;p=thirdparty%2Fsquid.git

Author: Marcin Wisnicki <mwisnicki@gmail.com>
Bug 3088: dnsserver is segfaulting
---

diff --git a/src/dnsserver.cc b/src/dnsserver.cc
index 99ffb14337..5a558c5fd5 100644
--- a/src/dnsserver.cc
+++ b/src/dnsserver.cc
@@ -214,8 +214,10 @@ lookup(const char *buf)
     hints.ai_flags = AI_CANONNAME;
 
     for (;;) {
-        xfreeaddrinfo(AI);
-        AI = NULL;
+        if (AI != NULL) {
+            xfreeaddrinfo(AI);
+            AI = NULL;
+        }
 
         if ( 0 == (res = xgetaddrinfo(buf,NULL,&hints,&AI)) )
             break;