FHEM/98_SVG.pm: check fir currval for XY graphs (Forum #66409)

git-svn-id: https://svn.fhem.de/fhem/trunk@13329 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2017-02-04 17:27:32 +00:00
parent 91b4c63ec9
commit 122ef3a22e
1 changed files with 2 additions and 1 deletions
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -2077,7 +2077,8 @@ SVG_render($$$$$$$$$$)
    my $t = $conf{lTitle}[$i];
    next if( !$t );
    my $desc = "";
-    if(defined($data{"min$j"}) && $data{"min$j"} ne "undef") {
+    if(defined($data{"min$j"})     && $data{"min$j"}     ne "undef" &&
+       defined($data{"currval$j"}) && $data{"currval$j"} ne "undef") {
      $desc = sprintf("%s: Min:%g Max:%g Last:%g",
        $t, $data{"min$j"}, $data{"max$j"}, $data{"currval$j"});
    }