From 9e523df4365767b9966eafbde40a65fff37f7f85 Mon Sep 17 00:00:00 2001
From: borisneubert <borisneubert@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Fri, 4 Jan 2013 19:38:41 +0000
Subject: [PATCH] do no touch STATE if neither the state reading nor the
 stateFormat attribute exist

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@2436 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/fhem.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index f45700903..f1c7ce8cd 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -2964,7 +2964,7 @@ readingsEndUpdate($$)
     $st =~ s/\b([A-Za-z_-]+)\b/($r->{$1} ? $r->{$1}{VAL} : $1)/ge;
 
   }
-  $hash->{STATE} = ReplaceEventMap($name, $st, 1);
+  $hash->{STATE} = ReplaceEventMap($name, $st, 1) if(defined($st));
 
 
   # propagate changes