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Ensure port handle exists before closing it

This commit is contained in:
Will Hedgecock 2021-11-17 01:07:24 -06:00
parent 79d09f38c9
commit 20ea873390
1 changed files with 2 additions and 1 deletions
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3
src/main/java/com/fazecast/jSerialComm/SerialPort.java
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@ -506,7 +506,8 @@ public final class SerialPort
{ {
if (serialEventListener != null) if (serialEventListener != null)
serialEventListener.stopListening(); serialEventListener.stopListening();
portHandle = closePortNative(portHandle); if (portHandle > 0)
portHandle = closePortNative(portHandle);
return (portHandle < 0); return (portHandle < 0);
} }