33_readingsGroup.pm: fixed uninitialized value warning

git-svn-id: https://svn.fhem.de/fhem/trunk@7479 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2015-01-09 12:00:47 +00:00
parent 9afdfc197e
commit cbbfc62adb
1 changed files with 1 additions and 1 deletions
--- a/fhem/FHEM/33_readingsGroup.pm
+++ b/fhem/FHEM/33_readingsGroup.pm
@@ -96,7 +96,7 @@ readingsGroup_updateDevices($;$)
    } else {
      my @device = split(":", $param);

-      if( $device[1] =~ m/^FILTER=/ ) {
+      if( $device[1] && $device[1] =~ m/^FILTER=/ ) {
        my $devspec = shift(@device);
        while( @device && $device[0] =~ m/^FILTER=/ ) {
          $devspec .= ":";