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98_ComfoAir.pm: little bug fix

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git-svn-id: https://svn.fhem.de/fhem/trunk@27160 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
StefanStrobel 2023-02-01 19:05:36 +00:00
parent e538b59e95
commit d52b398ed2
1 changed files with 5 additions and 3 deletions
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8
fhem/FHEM/98_ComfoAir.pm
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@ -827,9 +827,11 @@ sub ReadyFn {
# This is relevant for windows/USB only
my $po = $hash->{USBDev};
my ($BlockingFlags, $InBytes, $OutBytes, $ErrorFlags) = $po->status;
return ($InBytes>0);
if ($po) {
my ($BlockingFlags, $InBytes, $OutBytes, $ErrorFlags) = $po->status;
return ($InBytes>0);
}
return;
}