From 6b2dec0d01217675daf124a9dea2d0650d88225b Mon Sep 17 00:00:00 2001
From: amcewen <amcewen@bcs.org.uk>
Date: Thu, 7 Jul 2011 21:59:35 +0100
Subject: [PATCH] Fixed bug where the DHCP client didn't correctly handle a
 response containing more than one DNS server address.  Fixes issue 569.

---
 libraries/Ethernet/Dhcp.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libraries/Ethernet/Dhcp.cpp b/libraries/Ethernet/Dhcp.cpp
index c20d2e61d..29db89098 100755
--- a/libraries/Ethernet/Dhcp.cpp
+++ b/libraries/Ethernet/Dhcp.cpp
@@ -271,11 +271,19 @@ uint8_t DhcpClass::parseDHCPResponse(unsigned long responseTimeout, uint32_t& tr
                 case routersOnSubnet :
                     opt_len = _dhcpUdpSocket.read();
                     _dhcpUdpSocket.read(_dhcpGatewayIp, 4);
+                    for (int i = 0; i < opt_len-4; i++)
+                    {
+                        _dhcpUdpSocket.read();
+                    }
                     break;
                 
                 case dns :
                     opt_len = _dhcpUdpSocket.read();
                     _dhcpUdpSocket.read(_dhcpDnsServerIp, 4);
+                    for (int i = 0; i < opt_len-4; i++)
+                    {
+                        _dhcpUdpSocket.read();
+                    }
                     break;
                 
                 case dhcpServerIdentifier :