From f21db46cdd40b9e2e74d3b38b85750210cef6af9 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Thu, 17 May 2018 14:20:59 -0400
Subject: [PATCH] Fix discovery of old SMM firmware

Older SMM firmware will not have neighbor data, ignore and move on
in such a case.
---
 confluent_server/confluent/discovery/core.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/confluent_server/confluent/discovery/core.py b/confluent_server/confluent/discovery/core.py
index 1cc31a9c..defb761a 100644
--- a/confluent_server/confluent/discovery/core.py
+++ b/confluent_server/confluent/discovery/core.py
@@ -741,6 +741,8 @@ def get_smm_neighbor_fingerprints(smmaddr, cv):
         smmaddr = '[{0}]'.format(smmaddr)
     wc = webclient.SecureHTTPConnection(smmaddr, verifycallback=cv)
     neighs = wc.grab_json_response('/scripts/neighdata.json')
+    if not neighs:
+        return
     for idx in (4, 5):
         if 'sha256' not in neighs[idx]:
             continue