From 1a9988ecf197fad4f2f32f92b84d856ba4cad584 Mon Sep 17 00:00:00 2001
From: david gauchard <gauchard@laas.fr>
Date: Thu, 9 Apr 2020 18:59:12 +0200
Subject: [PATCH] fix memleak (#7203)

---
 libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp
index 0465fbc4f..1ba3f862b 100644
--- a/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp
+++ b/libraries/ESP8266WiFi/src/ESP8266WiFiGratuitous.cpp
@@ -72,6 +72,7 @@ bool ESP8266WiFiGratuitous::stationKeepAliveSetIntervalMs (uint32_t ms)
     if (_timer)
     {
         os_timer_disarm(_timer);
+        free(_timer);
         _timer = nullptr;
     }