From 1f1ac52ccc8b8db291050d2ffae7129f2949c297 Mon Sep 17 00:00:00 2001
From: markusbloch <markusbloch@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sat, 16 Mar 2013 20:09:05 +0000
Subject: [PATCH] exit SetFn when no argument is given

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@2933 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/73_PRESENCE.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fhem/FHEM/73_PRESENCE.pm b/fhem/FHEM/73_PRESENCE.pm
index 878c2ec30..6daf0f818 100755
--- a/fhem/FHEM/73_PRESENCE.pm
+++ b/fhem/FHEM/73_PRESENCE.pm
@@ -209,6 +209,8 @@ sub
 PRESENCE_Set($@)
 {
     my ($hash, @a) = @_;
+
+    return "No Argument given" if(!defined($a[1]));
    
     my $usage = ($hash->{MODE} ne "lan-bluetooth" ? "Unknown argument ".$a[1].", choose one of statusRequest " : undef);