From 7e45310771a43b9a47ec0c4556ad945176d4556b Mon Sep 17 00:00:00 2001
From: Me No Dev <me-no-dev@users.noreply.github.com>
Date: Mon, 3 Apr 2017 20:54:57 +0300
Subject: [PATCH] Fix UDP TX Buffer not set to NULL after free

thans @martinayotte
---
 libraries/WiFi/src/WiFiUdp.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/WiFi/src/WiFiUdp.cpp b/libraries/WiFi/src/WiFiUdp.cpp
index 22c3521d..121602a7 100644
--- a/libraries/WiFi/src/WiFiUdp.cpp
+++ b/libraries/WiFi/src/WiFiUdp.cpp
@@ -99,6 +99,7 @@ uint8_t WiFiUDP::beginMulticast(IPAddress a, uint16_t p){
 void WiFiUDP::stop(){
   if(tx_buffer){
     delete[] tx_buffer;
+    tx_buffer = NULL;
   }
   tx_buffer_len = 0;
   if(rx_buffer){