From 06b0906aaef25fdfc47b5fdd8eb2437a98445db6 Mon Sep 17 00:00:00 2001
From: Neil Lathwood <neil@lathwood.co.uk>
Date: Sun, 2 Oct 2016 08:25:48 +0100
Subject: [PATCH] fix: Fixed SQL query for bgpPeers check to remove stale
 sessions (#4697)

---
 includes/discovery/bgp-peers.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/discovery/bgp-peers.inc.php b/includes/discovery/bgp-peers.inc.php
index 6edcfc14a0..cc1903f534 100644
--- a/includes/discovery/bgp-peers.inc.php
+++ b/includes/discovery/bgp-peers.inc.php
@@ -214,7 +214,7 @@ if ($config['enable_bgp']) {
         }
 
             // Delete removed peers
-            $sql = "SELECT * FROM bgpPeers WHERE device_id = '".$device['device_id']."' AND context_name = '".$device['context_name']."'";
+            $sql = "SELECT * FROM bgpPeers WHERE device_id = '".$device['device_id']."' AND (context_name = '".$device['context_name']."' OR context_name IS NULL)";
 
         foreach (dbFetchRows($sql) as $entry) {
             unset($exists);