From 4881795a9264fea367b5a42d5c85d6d6c0500346 Mon Sep 17 00:00:00 2001
From: Dustin Spicuzza <dustin@virtualroadside.com>
Date: Mon, 28 Dec 2015 21:11:29 -0500
Subject: [PATCH] Prevent double free in DigitalGlitchFilter

Change-Id: Icf9660762c78054895bf8e86a6dfae0615288de6
---
 .../athena/java/edu/wpi/first/wpilibj/DigitalGlitchFilter.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wpilibj/src/athena/java/edu/wpi/first/wpilibj/DigitalGlitchFilter.java b/wpilibj/src/athena/java/edu/wpi/first/wpilibj/DigitalGlitchFilter.java
index dc2cd0f60d..4fb388bfc8 100644
--- a/wpilibj/src/athena/java/edu/wpi/first/wpilibj/DigitalGlitchFilter.java
+++ b/wpilibj/src/athena/java/edu/wpi/first/wpilibj/DigitalGlitchFilter.java
@@ -45,6 +45,7 @@ public class DigitalGlitchFilter extends SensorBase {
       synchronized(m_mutex) {
         m_filterAllocated[m_channelIndex] = false;
       }
+      m_channelIndex = -1;
     }
   }