From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 29 Jul 2014 23:45:52 +0000 (+0200)
Subject: resolved: never attempt negative caching of SOA records
X-Git-Tag: v216~387
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=0f05c387597a93fa74cdf7d351fd255aca56026d;p=elogind.git

resolved: never attempt negative caching of SOA records
---

diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c
index 93e51fc24..609695935 100644
--- a/src/resolve/resolved-dns-answer.c
+++ b/src/resolve/resolved-dns-answer.c
@@ -122,6 +122,10 @@ int dns_answer_find_soa(DnsAnswer *a, DnsResourceKey *key, DnsResourceRecord **r
         assert(key);
         assert(ret);
 
+        /* For a SOA record we can never find a matching SOA record */
+        if (key->type == DNS_TYPE_SOA)
+                return 0;
+
         for (i = 0; i < a->n_rrs; i++) {
 
                 if (a->rrs[i]->key->class != DNS_CLASS_IN)