X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7f9f97c792dee6875fbca9806422bdd7d6c5a657..ab195ab1da1da75a3a23d47b56c66d14803a9de3:/LUFA/Drivers/Peripheral/SerialStream.c

diff --git a/LUFA/Drivers/Peripheral/SerialStream.c b/LUFA/Drivers/Peripheral/SerialStream.c
index fd5676aab..c23d4e16a 100644
--- a/LUFA/Drivers/Peripheral/SerialStream.c
+++ b/LUFA/Drivers/Peripheral/SerialStream.c
@@ -44,6 +44,9 @@ static int SerialStream_TxByte(char DataByte, FILE *Stream)
 static int SerialStream_RxByte(FILE *Stream)
 {
 	(void)Stream;
+	
+	if (!(Serial_IsCharReceived()))
+	  return _FDEV_EOF;
 
 	return Serial_RxByte();
 }