From ca8ac5f919d02bea07b474531981ddbfd64de97c Mon Sep 17 00:00:00 2001
From: Bob <bob.mooij@gmail.com>
Date: Thu, 17 Oct 2019 09:08:59 +0200
Subject: [PATCH] Fix LoadProhibited (#73)

---
 src/AsyncTCP.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/AsyncTCP.cpp b/src/AsyncTCP.cpp
index df1560d..89ff6ee 100644
--- a/src/AsyncTCP.cpp
+++ b/src/AsyncTCP.cpp
@@ -152,7 +152,10 @@ static bool _remove_events_with_arg(void * arg){
 }
 
 static void _handle_async_event(lwip_event_packet_t * e){
-    if(e->event == LWIP_TCP_CLEAR){
+    if(e->arg == NULL){
+        // do nothing when arg is NULL
+        //ets_printf("event arg == NULL: 0x%08x\n", e->recv.pcb);
+    } else if(e->event == LWIP_TCP_CLEAR){
         _remove_events_with_arg(e->arg);
     } else if(e->event == LWIP_TCP_RECV){
         //ets_printf("-R: 0x%08x\n", e->recv.pcb);