From 895f0ca1696d19986af513990f078415d43df746 Mon Sep 17 00:00:00 2001
From: hexenmeister <hexenmeister@users.noreply.github.com>
Date: Wed, 19 Feb 2014 22:11:02 +0000
Subject: [PATCH] Uninitialized value warnings on FritzBox

git-svn-id: https://svn.fhem.de/fhem/trunk@4995 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/42_SYSMON.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fhem/FHEM/42_SYSMON.pm b/fhem/FHEM/42_SYSMON.pm
index 78e9a3af3..3c6a1e44f 100644
--- a/fhem/FHEM/42_SYSMON.pm
+++ b/fhem/FHEM/42_SYSMON.pm
@@ -926,8 +926,13 @@ sub SYSMON_getRamAndSwap($$)
   $used    = $used / 1024;
   $free    = $free / 1024;
   $buffers = $buffers / 1024;
-  $cached  = $cached / 1024;
-  
+  if(defined($cached)) {
+    $cached  = $cached / 1024;
+  } else {
+  	# Bei FritzBox wird dieser Wert nicht ausgageben
+  	$cached  = 0;
+  }
+
   $ram = sprintf("Total: %.2f MB, Used: %.2f MB, %.2f %%, Free: %.2f MB", $total, ($used - $buffers - $cached), (($used - $buffers - $cached) / $total * 100), ($free + $buffers + $cached));
 
   $map->{+RAM} = $ram;