summaryFn undef return case fixed

git-svn-id: https://svn.fhem.de/fhem/trunk@3304 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2013-06-18 08:50:10 +00:00
parent c60cd5d787
commit 70d1f986a6
1 changed files with 2 additions and 1 deletions
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -2485,8 +2485,9 @@ FW_devState($$@)
       $extPage = \%hash;
    }
    no strict "refs";
-    $txt = &{$sfn}($FW_wname, $d, $FW_room, $extPage);
+    my $newtxt = &{$sfn}($FW_wname, $d, $FW_room, $extPage);
    use strict "refs";
+    $txt = $newtxt if(defined($newtxt)); # As specified
  }

  return ($allSets, $cmdList, $txt);