From 1178c6eea02e8fb07536a8196a4a7dbfeb95826b Mon Sep 17 00:00:00 2001
From: Oliver Gorwits <oliver@cpan.org>
Date: Thu, 4 Aug 2022 23:04:59 +0100
Subject: [PATCH] do not open branch if there is no data, even when only one
 child

---
 lib/App/Netdisco/Web/Plugin/Device/SNMP.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/App/Netdisco/Web/Plugin/Device/SNMP.pm b/lib/App/Netdisco/Web/Plugin/Device/SNMP.pm
index dbdc5567..7bd1f53e 100644
--- a/lib/App/Netdisco/Web/Plugin/Device/SNMP.pm
+++ b/lib/App/Netdisco/Web/Plugin/Device/SNMP.pm
@@ -149,7 +149,8 @@ sub _get_snmp_data {
         children => ($meta{$_}->{num_children} ? \1 : \0),
   
         # and set the display to open to show the single child
-        state => { opened => (($meta{$_}->{num_children} == 1) ? \1 : \0 ) },
+        # but only if there is data below
+        state => { opened => (($meta{$_}->{browser} and $meta{$_}->{num_children} == 1) ? \1 : \0 ) },
 
       }} sort {$meta{$a}->{oid_parts}->[-1] <=> $meta{$b}->{oid_parts}->[-1]} keys %meta;