From acf837e5ac03f1aa4d20113abce2c73d809dc90e Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Fri, 5 Mar 2021 11:32:26 -0500
Subject: [PATCH] Fix plain rom update of nextscale

When zipfile checks for zip signatures, it
does not guarantee seek position at end.

Seek to the beginning explicitly after zipfile
is done.

Change-Id: I13d053576ba12ae7cd668d96179c9f435d0fa751
---
 pyghmi/ipmi/oem/lenovo/nextscale.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pyghmi/ipmi/oem/lenovo/nextscale.py b/pyghmi/ipmi/oem/lenovo/nextscale.py
index 6bf55259..3934b6e6 100644
--- a/pyghmi/ipmi/oem/lenovo/nextscale.py
+++ b/pyghmi/ipmi/oem/lenovo/nextscale.py
@@ -712,6 +712,8 @@ class SMMClient(object):
         if data and hasattr(data, 'read'):
             if zipfile.is_zipfile(data):
                 z = zipfile.ZipFile(data)
+            else:
+                data.seek(0)
         elif data is None and zipfile.is_zipfile(filename):
             z = zipfile.ZipFile(filename)
         if z: