From e8c64e98a409e7379cbddd2e59a623dd7c81922c Mon Sep 17 00:00:00 2001
From: Paul Gear <github@libertysys.com.au>
Date: Thu, 21 Jan 2016 08:50:20 +1000
Subject: [PATCH] Fix use of CISCO-AAA-SESSION-MIB

It should only be used if OS was discovered.
---
 includes/discovery/os/ios.inc.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/includes/discovery/os/ios.inc.php b/includes/discovery/os/ios.inc.php
index 731d68bf0..04d399d48 100644
--- a/includes/discovery/os/ios.inc.php
+++ b/includes/discovery/os/ios.inc.php
@@ -22,10 +22,12 @@ if (empty($os)) {
         $os = 'iosxr';
     }
 
-    $extra_mibs = array(
-        "ciscoAAASessionMIB" => "CISCO-AAA-SESSION-MIB",
-    );
-    register_mibs($device, $extra_mibs, "includes/discovery/os/ios.inc.php");
+    if (!empty($os)) {
+        $extra_mibs = array(
+            "ciscoAAASessionMIB" => "CISCO-AAA-SESSION-MIB",
+        );
+        register_mibs($device, $extra_mibs, "includes/discovery/os/ios.inc.php");
+    }
 }
 
 // Fallback case