From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Thu, 25 Nov 2021 10:06:38 +0000 (+0200)
Subject: lib-dns: Fix leaking idle timeout
X-Git-Tag: 2.4.0~4705
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cd5c4ad63f3e8ba29c2fb42bedbf16fa804a895;p=thirdparty%2Fdovecot%2Fcore.git

lib-dns: Fix leaking idle timeout
---

diff --git a/src/lib-dns/dns-lookup.c b/src/lib-dns/dns-lookup.c
index a6dc968a46..0cb56325cd 100644
--- a/src/lib-dns/dns-lookup.c
+++ b/src/lib-dns/dns-lookup.c
@@ -475,7 +475,8 @@ static void dns_lookup_free(struct dns_lookup **_lookup)
 	timeout_remove(&lookup->to);
 	if (client->deinit_client_at_free)
 		dns_client_deinit(&client);
-	else if (client->head == NULL && client->connected) {
+	else if (client->head == NULL && client->connected &&
+		 client->to_idle == NULL) {
 		client->to_idle = timeout_add_to(client->ioloop,
 						 client->idle_timeout_msecs,
 						 dns_client_idle_timeout, client);