From 8c192bf42c791993647f48b6f08f9698d768616b Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Thu, 9 Feb 2023 10:44:35 +0100
Subject: [PATCH] Wire: nullify pointers on end()

---
 libraries/Wire/Wire.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
index a48b3ff94..b90dcc1a5 100644
--- a/libraries/Wire/Wire.cpp
+++ b/libraries/Wire/Wire.cpp
@@ -45,6 +45,7 @@ void arduino::MbedI2C::begin(uint8_t slaveAddr) {
 void arduino::MbedI2C::end() {
 	if (master != NULL) {
 		delete master;
+		master = NULL;
 	}
 #ifdef DEVICE_I2CSLAVE
 	if (slave != NULL) {
@@ -52,6 +53,7 @@ void arduino::MbedI2C::end() {
 		slave_th->free_stack();
 		delete slave_th;
 		delete slave;
+		slave = NULL;
 	}
 #endif
 }