From f7941e29beae2b426d4a7ec5f95e58fed7a96762 Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Fri, 17 Jan 2020 14:13:59 +0100
Subject: [PATCH] mqtt_outbox: fixed outbox_destroy() to correctly delete all
 queued messages

Closes https://github.com/espressif/esp-idf/issues/4643
Closes IDFGH-2558
Closes https://github.com/espressif/esp-mqtt/issues/148
Closes IDFGH-2599
Closes https://github.com/espressif/esp-mqtt/issues/147
Closes IDFGH-2598
---
 lib/mqtt_outbox.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/mqtt_outbox.c b/lib/mqtt_outbox.c
index 1723fb9..4ba4b76 100644
--- a/lib/mqtt_outbox.c
+++ b/lib/mqtt_outbox.c
@@ -199,7 +199,12 @@ esp_err_t outbox_cleanup(outbox_handle_t outbox, int max_size)
 
 void outbox_destroy(outbox_handle_t outbox)
 {
-    outbox_cleanup(outbox, 0);
+    outbox_item_handle_t item, tmp;
+    STAILQ_FOREACH_SAFE(item, outbox, next, tmp) {
+        STAILQ_REMOVE(outbox, item, outbox_item, next);
+        free(item->buffer);
+        free(item);
+    }
     free(outbox);
 }