From 9799ee20118bd13d448b17a7c8729df0275c38e1 Mon Sep 17 00:00:00 2001
From: frank eden <frank.eden@gmail.com>
Date: Tue, 31 Oct 2017 17:08:35 +1100
Subject: [PATCH] Fix Memory Leak in Mqtt

---
 Sming/Services/libemqtt/libemqtt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Sming/Services/libemqtt/libemqtt.c b/Sming/Services/libemqtt/libemqtt.c
index 28a97a14c6..de86c37525 100644
--- a/Sming/Services/libemqtt/libemqtt.c
+++ b/Sming/Services/libemqtt/libemqtt.c
@@ -215,6 +215,7 @@ int mqtt_set_clientid(mqtt_broker_handle_t* broker, const char* clientid) {
 
 int mqtt_init_auth(mqtt_broker_handle_t* broker, const char* username, const char* password) {
 	if(username && username[0] != '\0') {
+		free(broker->username);
 		broker->username = (char *)malloc(strlen(username)+1);
 		if(broker->username==NULL) {
 			return -1;
@@ -224,6 +225,7 @@ int mqtt_init_auth(mqtt_broker_handle_t* broker, const char* username, const cha
 	}
 
 	if(password && password[0] != '\0') {
+		free(broker->username);
 		broker->password = (char *)malloc(strlen(password)+1);
 		if (broker->password == NULL) {
 			return -1;