From a6bfc937f1474892c872e6b51d0846780d7cfee8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Popovic=CC=8C?= <michal.popovic@cloudtalk.io>
Date: Thu, 3 Apr 2025 09:37:10 +0200
Subject: [PATCH] MT#55283 Skip tag retrieval if missing in monologue stats

Closes #1923

Change-Id: I88e2176329b298d209ee48721707ed2ec7e17de9
(cherry picked from commit 1526389ab645f1e85dca84e8d8c63ab25f1d27d4)
(cherry picked from commit 00ad063ebd43c397309b50bcd81cedd2e349a892)
---
 daemon/mqtt.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/daemon/mqtt.c b/daemon/mqtt.c
index 7053f86a2..22e4619c4 100644
--- a/daemon/mqtt.c
+++ b/daemon/mqtt.c
@@ -161,8 +161,10 @@ static void mqtt_call_stats(call_t *call, JsonBuilder *json) {
 
 
 static void mqtt_monologue_stats(struct call_monologue *ml, JsonBuilder *json) {
-	json_builder_set_member_name(json, "tag");
-	glib_json_builder_add_str(json, &ml->tag);
+	if (ml->tag.len) {
+		json_builder_set_member_name(json, "tag");
+		glib_json_builder_add_str(json, &ml->tag);
+	}
 
 	if (ml->label.len) {
 		json_builder_set_member_name(json, "label");