From ccd64090bb9c7aa4bad90168ad376fc8db6a0cd1 Mon Sep 17 00:00:00 2001
From: Joe Ross <joe@rossesmail.com>
Date: Sun, 16 Nov 2014 10:36:44 -0800
Subject: [PATCH] Fix write when used with long byte array.

If the byte array allocated is longer then the count passed to the
write method, there will be a buffer overflow exception. Only put
the number of bytes specified by count.

Change-Id: I10ff48d5a5cf3f82c4e4e347326be033db300cdb
---
 .../src/main/java/edu/wpi/first/wpilibj/SerialPort.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wpilibj/wpilibJavaDevices/src/main/java/edu/wpi/first/wpilibj/SerialPort.java b/wpilibj/wpilibJavaDevices/src/main/java/edu/wpi/first/wpilibj/SerialPort.java
index ed2d0926a9..a88eed6145 100644
--- a/wpilibj/wpilibJavaDevices/src/main/java/edu/wpi/first/wpilibj/SerialPort.java
+++ b/wpilibj/wpilibJavaDevices/src/main/java/edu/wpi/first/wpilibj/SerialPort.java
@@ -378,7 +378,7 @@ public class SerialPort {
 		ByteBuffer status = ByteBuffer.allocateDirect(4);
 		status.order(ByteOrder.LITTLE_ENDIAN);
 		ByteBuffer dataToSendBuffer = ByteBuffer.allocateDirect(count);
-		dataToSendBuffer.put(buffer);
+		dataToSendBuffer.put(buffer, 0, count);
         int retVal = SerialPortJNI.serialWrite(m_port, dataToSendBuffer, count, status.asIntBuffer());
 		HALUtil.checkStatus(status.asIntBuffer());
 		return retVal;