From b7235b395a270e80bbf9ffadbff3098bd9a7d6de Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Date: Fri, 22 Nov 2013 13:41:33 +0900
Subject: [PATCH] topology.switches: stop abusing Packet.next()

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/topology/switches.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ryu/topology/switches.py b/ryu/topology/switches.py
index bd31fa16..a92f8df4 100644
--- a/ryu/topology/switches.py
+++ b/ryu/topology/switches.py
@@ -394,10 +394,11 @@ class LLDPPacket(object):
     @staticmethod
     def lldp_parse(data):
         pkt = packet.Packet(data)
-        eth_pkt = pkt.next()
+        i = iter(pkt)
+        eth_pkt = i.next()
         assert type(eth_pkt) == ethernet.ethernet
 
-        lldp_pkt = pkt.next()
+        lldp_pkt = i.next()
         if type(lldp_pkt) != lldp.lldp:
             raise LLDPPacket.LLDPUnknownFormat()