From b6800689e03456efd0430d171ebf962f64b94eb0 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 18 Jan 2016 20:22:45 +0100
Subject: resolved: minor optimization for dns_question_is_equal()

If the poinetrs are equal, we don't have to do a deep comparison.

This is similar to a similar optimization we already have in place for RRs and keys.
---
 src/resolve/resolved-dns-question.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/resolve/resolved-dns-question.c b/src/resolve/resolved-dns-question.c
index d3a6c14ed1..938b43f225 100644
--- a/src/resolve/resolved-dns-question.c
+++ b/src/resolve/resolved-dns-question.c
@@ -183,6 +183,9 @@ int dns_question_is_equal(DnsQuestion *a, DnsQuestion *b) {
         unsigned j;
         int r;
 
+        if (a == b)
+                return 1;
+
         if (!a)
                 return !b || b->n_keys == 0;
         if (!b)
-- 
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