From 2f76a9f5b6bedd60198074ebcd69fe36c41d4cba Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Tue, 24 Jul 2018 21:09:37 +0200
Subject: [PATCH] fix case where connection is already freed

---
 src/AsyncTCP.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/AsyncTCP.cpp b/src/AsyncTCP.cpp
index 70ef839..ebeb875 100644
--- a/src/AsyncTCP.cpp
+++ b/src/AsyncTCP.cpp
@@ -601,10 +601,12 @@ int8_t AsyncClient::abort(){
 }
 
 void AsyncClient::close(bool now){
-    if(_in_lwip_thread){
-        tcp_recved(_pcb, _rx_ack_len);
-    } else {
-        _tcp_recved(_pcb, _rx_ack_len);
+    if(_pcb){
+        if(_in_lwip_thread){
+            tcp_recved(_pcb, _rx_ack_len);
+        } else {
+            _tcp_recved(_pcb, _rx_ack_len);
+        }
     }
     if(now)
         _close();