From 611ad222bb1d45501d3055928d036446a3537d44 Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Thu, 15 Mar 2018 11:13:17 +0000
Subject: [PATCH] Don't keep trying to connect in sub client if CONNACK
 negative.

---
 ChangeLog.txt       | 2 ++
 client/sub_client.c | 1 +
 2 files changed, 3 insertions(+)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 3cb79d0d..5bd29dde 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -101,6 +101,8 @@ Clients:
 - Connections now default to using MQTT v3.1.1.
 - Default to using port 8883 when using TLS.
 - Correctly handle empty files with "mosquitto_pub -l". Closes #676.
+- mosquitto_sub doesn't continue to keep connecting if CONNACK tells it the
+  connection was refused.
 
 Build:
 - Add WITH_STRIP option (defaulting to "no") that when set to "yes" will strip
diff --git a/client/sub_client.c b/client/sub_client.c
index 1fb6fb75..280dca56 100644
--- a/client/sub_client.c
+++ b/client/sub_client.c
@@ -367,6 +367,7 @@ void my_connect_callback(struct mosquitto *mosq, void *obj, int result)
 		if(result && !cfg->quiet){
 			fprintf(stderr, "%s\n", mosquitto_connack_string(result));
 		}
+		mosquitto_disconnect(mosq);
 	}
 }