From e260a906f82ee3efa8e6e1773db402328795d410 Mon Sep 17 00:00:00 2001
From: Johannes Schriewer <hallo@dunkelstern.de>
Date: Mon, 6 Aug 2018 01:47:30 +0200
Subject: [PATCH] Bugfix: Memory leak on reconnect if there were QoS or SubAck
 packets in queue

---
 src/state_queue.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/state_queue.c b/src/state_queue.c
index 9db56fa..e3e59f7 100644
--- a/src/state_queue.c
+++ b/src/state_queue.c
@@ -63,6 +63,25 @@ void clear_packet_queue(MQTTHandle *handle) {
         MQTTCallbackQueueItem *current = item;
         item = item->next;
 
+        // free stuff inside
+        switch (current->type) {
+            case PacketTypePubRel: {
+                PublishPayload *payload = (PublishPayload *)current->context;
+                free(payload->topic);
+                free(payload->message);
+                free(payload);
+                break;
+            }
+            case PacketTypePubAck:
+            case PacketTypePubComp:
+            case PacketTypeSubAck:
+                free(current->context);
+                break;
+                
+            default:
+                break;
+        }
+
         free(current);
     }
 }