From: Willy Tarreau <w@1wt.eu>
Date: Wed, 24 Feb 2021 16:38:46 +0000 (+0100)
Subject: BUILD: dns: avoid a build warning when threads are disabled (dss unused)
X-Git-Tag: v2.4-dev10~64
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e3e648c92f058ef062ddd38f588603952a04efb1;p=thirdparty%2Fhaproxy.git

BUILD: dns: avoid a build warning when threads are disabled (dss unused)

dns_session_release() only uses its struct dns_stream_server to access
the lock, so a warning is emitted when threads are disabled. Let's mark
it __maybe_unused.
---

diff --git a/src/dns.c b/src/dns.c
index cb30bff46f..69364eb0b1 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -780,7 +780,7 @@ static struct appctx *dns_session_create(struct dns_session *ds);
 static void dns_session_release(struct appctx *appctx)
 {
 	struct dns_session *ds = appctx->ctx.sft.ptr;
-	struct dns_stream_server *dss;
+	struct dns_stream_server *dss __maybe_unused;
 
 	if (!ds)
 		return;