X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/15f84bb8f5b910de40f081ee5e8ed847c592ea17..6ba0b860ccd1a1f91fd25e4dc1ee162e9eb710ab:/LUFA/Drivers/Peripheral/SerialStream.c?ds=inline

diff --git a/LUFA/Drivers/Peripheral/SerialStream.c b/LUFA/Drivers/Peripheral/SerialStream.c
index fd5676aab..4ae0a7f16 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 EOF;
 
 	return Serial_RxByte();
 }