From 998dcb9cc9ea38ee48a374502f990ee7acfca439 Mon Sep 17 00:00:00 2001
From: "Deomid \"rojer\" Ryabkov" <rojer@rojer.me>
Date: Wed, 22 Jan 2020 12:09:08 +0000
Subject: [PATCH] Check config for NULL before checking if it's enabled

Fixes https://github.com/mongoose-os-libs/mqtt/issues/15
---
 src/mgos_mqtt_conn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mgos_mqtt_conn.c b/src/mgos_mqtt_conn.c
index 6961d4a..5437256 100644
--- a/src/mgos_mqtt_conn.c
+++ b/src/mgos_mqtt_conn.c
@@ -479,7 +479,7 @@ static void mqtt_switch_config(struct mgos_mqtt_conn *c) {
     /* User set a custom config - don't mess with it. */
     return;
   }
-  if (cfg->enable) {
+  if (cfg != NULL && cfg->enable) {
     c->cfg = cfg;
     c->reconnect_timeout_ms = cfg->reconnect_timeout_min * 1000;
   }