From c28ff05b1eaadb7bb4bec1e46cee5ef9bd35d685 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Thu, 7 May 2015 10:30:52 -0400
Subject: [PATCH] Break out of FRU read if zero data returned

If a BMC returns 0 data, then assume end of data has been
reached.  Not all implementations accurately advertise FRU
size, so this is a way to detect and break out.

Change-Id: I03d0393563f8527e16830098b649ae940ee7ee9e
---
 pyghmi/ipmi/fru.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pyghmi/ipmi/fru.py b/pyghmi/ipmi/fru.py
index 6b6257ee..4a4d42bf 100644
--- a/pyghmi/ipmi/fru.py
+++ b/pyghmi/ipmi/fru.py
@@ -172,6 +172,8 @@ class FRU(object):
                 raise iexc.IpmiException(response['error'], response['code'])
             self.rawfru.extend(response['data'][1:])
             offset += response['data'][0]
+            if response['data'][0] == 0:
+                break
             if offset + chunksize > frusize:
                 chunksize = frusize - offset