From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 3 Sep 2016 23:49:06 +0000 (+0100)
Subject: crash fix: never return const string as address
X-Git-Tag: v0.88~26^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a11f445332e62df924c041ce3917be56fbc491d0;p=thirdparty%2Fmtr.git

crash fix: never return const string as address

String that comes from #define can cause SIGSEGV.
---

diff --git a/asn.c b/asn.c
index c6454cf..a19671f 100644
--- a/asn.c
+++ b/asn.c
@@ -90,7 +90,7 @@ static char *ipinfo_lookup(const char *domain) {
     if((len = res_query(domain, C_IN, T_TXT, answer, PACKETSZ)) < 0) {
         if (iihash)
             DEB_syslog(LOG_INFO, "Malloc-txt: %s", UNKN);
-        return (iihash) ? xstrdup(UNKN) : UNKN;
+        return xstrdup(UNKN);
     }
 
     pt = answer + sizeof(HEADER);