From 734495062fb82baf0e7fc937271d6cf5dab12a16 Mon Sep 17 00:00:00 2001
From: markusbloch <>
Date: Wed, 27 Jan 2016 19:14:16 +0000
Subject: [PATCH] FB_CALLLIST: optimization of RenameFn

git-svn-id: https://svn.fhem.de/fhem/trunk@10647 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/72_FB_CALLLIST.pm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fhem/FHEM/72_FB_CALLLIST.pm b/fhem/FHEM/72_FB_CALLLIST.pm
index d23cc3d9a..8381f3c10 100755
--- a/fhem/FHEM/72_FB_CALLLIST.pm
+++ b/fhem/FHEM/72_FB_CALLLIST.pm
@@ -263,10 +263,14 @@ sub FB_CALLLIST_Rename($$)
 {
     my ($new,$old) = @_;
 
-	setKeyValue("FB_CALLLIST-".$new, getKeyValue("FB_CALLLIST-".$old));
-	setKeyValue("FB_CALLLIST-".$old, undef);
+    my (undef, $data) = getKeyValue("FB_CALLLIST-".$old);
     
- 	return undef;
+    return undef unless(defined($data));
+    
+    setKeyValue("FB_CALLLIST-".$new, $data);
+    setKeyValue("FB_CALLLIST-".$old, undef);
+    
+    return undef;
 }
 
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