From 79fde3a636901ff992c61a18b87a99f594c1ce0a Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Tue, 28 Oct 2014 17:55:52 +0100
Subject: [PATCH] Ethernet: fixed upcast of byte-pointer

---
 libraries/Ethernet/src/Dhcp.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libraries/Ethernet/src/Dhcp.cpp b/libraries/Ethernet/src/Dhcp.cpp
index 94ab18270..5f53db41b 100644
--- a/libraries/Ethernet/src/Dhcp.cpp
+++ b/libraries/Ethernet/src/Dhcp.cpp
@@ -329,8 +329,9 @@ uint8_t DhcpClass::parseDHCPResponse(unsigned long responseTimeout, uint32_t& tr
                 
                 case dhcpServerIdentifier :
                     opt_len = _dhcpUdpSocket.read();
-                    if( *((uint32_t*)_dhcpDhcpServerIp) == 0 || 
-                        IPAddress(_dhcpDhcpServerIp) == _dhcpUdpSocket.remoteIP() )
+                    if ((_dhcpDhcpServerIp[0] == 0 && _dhcpDhcpServerIp[1] == 0 &&
+                         _dhcpDhcpServerIp[2] == 0 && _dhcpDhcpServerIp[3] == 0) ||
+                        IPAddress(_dhcpDhcpServerIp) == _dhcpUdpSocket.remoteIP())
                     {
                         _dhcpUdpSocket.read(_dhcpDhcpServerIp, sizeof(_dhcpDhcpServerIp));
                     }