From: Jan Hák <jan.hak@nic.cz>
Date: Wed, 2 Nov 2022 14:13:19 +0000 (+0100)
Subject: kdig: fix of unsent data in case of incomplete previous communication
X-Git-Tag: v3.4.dev~320
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dd43bfbc1c9a1585ce90c6a81f9e421c19f101d;p=thirdparty%2Fknot-dns.git

kdig: fix of unsent data in case of incomplete previous communication
---

diff --git a/src/utils/common/quic.c b/src/utils/common/quic.c
index 3ed7721ef1..f73b8c4e04 100644
--- a/src/utils/common/quic.c
+++ b/src/utils/common/quic.c
@@ -714,8 +714,10 @@ int quic_send_dns_query(quic_ctx_t *ctx, int sockfd, struct addrinfo *srv,
 			WARN("QUIC, failed to send");
 			return ret;
 		}
-		pdatav = NULL;
-		datavlen = 0;
+		if (ctx->stream.out_ack > 0) {
+			pdatav = NULL;
+			datavlen = 0;
+		}
 
 		const ngtcp2_transport_params *pp =
 			ngtcp2_conn_get_remote_transport_params(ctx->conn);