From 56548fee3543881ab2056dc2f23655fe9fa166bb Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Wed, 5 Nov 2014 06:51:46 +0000
Subject: [PATCH] fhem.pl: return error for unknown devices in setreading

git-svn-id: https://svn.fhem.de/fhem/trunk@6889 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 295623569..3055b3d1b 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -1857,7 +1857,7 @@ CommandSetReading($$)
     }
     readingsSingleUpdate($defs{$sdev}, $a[1], $a[2], 1);
   }
-  return undef;
+  return join("\n", @rets);
 }