From: Kvarec Lezki <cuarzo@ya.ru>
Date: Thu, 2 Feb 2023 11:07:51 +0000 (+0500)
Subject: doh: ifdef IPv6 code
X-Git-Tag: curl-7_88_0~74
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=80c98ef6d26d05041ab21bea0fa9c3c68c9e33aa;p=thirdparty%2Fcurl.git

doh: ifdef IPv6 code

For disabled IPv6 a condition (conn->ip_version != CURL_IPRESOLVE_V4) is
always false. https://pvs-studio.com/en/docs/warnings/v560/

Closes #10397
---

diff --git a/lib/doh.c b/lib/doh.c
index 27ada33335..2e6a37785c 100644
--- a/lib/doh.c
+++ b/lib/doh.c
@@ -396,6 +396,7 @@ struct Curl_addrinfo *Curl_doh(struct Curl_easy *data,
     goto error;
   dohp->pending++;
 
+#ifdef ENABLE_IPV6
   if((conn->ip_version != CURL_IPRESOLVE_V4) && Curl_ipv6works(data)) {
     /* create IPv6 DoH request */
     result = dohprobe(data, &dohp->probe[DOH_PROBE_SLOT_IPADDR_V6],
@@ -405,6 +406,7 @@ struct Curl_addrinfo *Curl_doh(struct Curl_easy *data,
       goto error;
     dohp->pending++;
   }
+#endif
   return NULL;
 
   error: