From b11aad943671e73aebd218b9d78bc9c3e58f9900 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: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2933 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/73_PRESENCE.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/FHEM/73_PRESENCE.pm b/FHEM/73_PRESENCE.pm
index 878c2ec30..6daf0f818 100755
--- a/FHEM/73_PRESENCE.pm
+++ b/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);