From d0598c490e53ea151ade13d7a487c841d2def02e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Tue, 30 May 2017 09:07:03 +0300
Subject: [PATCH] Ethernet: Fix out of bounds memset on reset DHCP lease

---
 libraries/Ethernet/src/Dhcp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Ethernet/src/Dhcp.cpp b/libraries/Ethernet/src/Dhcp.cpp
index 3702d73b64d..99aa9c0c856 100644
--- a/libraries/Ethernet/src/Dhcp.cpp
+++ b/libraries/Ethernet/src/Dhcp.cpp
@@ -28,7 +28,7 @@ int DhcpClass::beginWithDHCP(uint8_t *mac, unsigned long timeout, unsigned long
 
 void DhcpClass::reset_DHCP_lease(){
     // zero out _dhcpSubnetMask, _dhcpGatewayIp, _dhcpLocalIp, _dhcpDhcpServerIp, _dhcpDnsServerIp
-    memset(_dhcpLocalIp, 0, 20);
+    memset(_dhcpLocalIp, 0, 4);
 }
 
 //return:0 on error, 1 if request is sent and response is received