From acfd0a9b4eb765364d65267ec071dc31a2b7088d Mon Sep 17 00:00:00 2001
From: Sara Souza <sara.souza@espressif.com>
Date: Wed, 14 Apr 2021 19:58:49 -0300
Subject: [PATCH] examples/mqttc: If connection() fails, then fd becomes
 invalid

---
 examples/mqttc/mqttc_pub.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/mqttc/mqttc_pub.c b/examples/mqttc/mqttc_pub.c
index a7d18c434..ea70a2d0c 100644
--- a/examples/mqttc/mqttc_pub.c
+++ b/examples/mqttc/mqttc_pub.c
@@ -174,6 +174,7 @@ static int initserver(const FAR struct mqttc_cfg_s *cfg)
         }
 
       close(fd);
+      fd = -1;
     }
   while ((itr = itr->ai_next) != NULL);