From 5422e523c2578f654acb4de3c1759608e6b10c2c Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Tue, 13 Dec 2022 15:32:48 -0500
Subject: [PATCH] Validate fapm data availability before use of fapm

Some platforms do not offer fapm data, but offer a successful result
anyway.

Change-Id: I637411148a3f7e4628cc1edcd1712739438102c9
---
 pyghmi/ipmi/oem/lenovo/energy.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pyghmi/ipmi/oem/lenovo/energy.py b/pyghmi/ipmi/oem/lenovo/energy.py
index 93b627da..746239b9 100644
--- a/pyghmi/ipmi/oem/lenovo/energy.py
+++ b/pyghmi/ipmi/oem/lenovo/energy.py
@@ -30,9 +30,10 @@ class EnergyManager(object):
         self._usefapm = False
         try:
             rsp = ipmicmd.xraw_command(netfn=0x3a, command=0x32, data=[4, 2, 0, 0, 0])
-            self.supportedmeters = ('DC Energy',)
-            self._usefapm = True
-            return
+            if len(rsp['data']) >= 8:
+                self.supportedmeters = ('DC Energy',)
+                self._usefapm = True
+                return
         except pygexc.IpmiException:
             pass