00_ZWDongle.pm: Fix disconnect on Windows (Forum #47732)

git-svn-id: https://svn.fhem.de/fhem/trunk@10584 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2016-01-21 11:07:44 +00:00
parent 80806ff569
commit eacc9866a0
1 changed files with 4 additions and 0 deletions
--- a/fhem/FHEM/00_ZWDongle.pm
+++ b/fhem/FHEM/00_ZWDongle.pm
@@ -689,6 +689,10 @@ ZWDongle_Ready($)
  my $po = $hash->{USBDev};
  if($po) {
    my ($BlockingFlags, $InBytes, $OutBytes, $ErrorFlags) = $po->status;
+    if(!defined($InBytes)) {
+      DevIo_Disconnected($hash);
+      return 0;
+    }
    return ($InBytes>0);
  }
  return 0;