fix: Correct memory calculation for screenos (#7191)

correct memory calculation (SSG-140)
librenms · Aug 21, 2017 · e68082d · e68082d
1 parent 6d6d8ce
commit e68082d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/includes/polling/mempools/screenos.inc.php b/includes/polling/mempools/screenos.inc.php
@@ -3,5 +3,5 @@
 // Simple hard-coded poller for Juniper ScreenOS
 // Yes, it really can be this simple.
 $mempool['used']  = snmp_get($device, '.1.3.6.1.4.1.3224.16.2.1.0', '-OvQ');
-$mempool['total'] = snmp_get($device, '.1.3.6.1.4.1.3224.16.2.2.0', '-OvQ');
-$mempool['free']  = ($mempool['total'] - $mempool['used']);
+$mempool['free'] = snmp_get($device, '.1.3.6.1.4.1.3224.16.2.2.0', '-OvQ');
+$mempool['total']  = ($mempool['free'] + $mempool['used']);