From aa3f3ad7d70879ff6fb62d941c2eb57bb5120abd Mon Sep 17 00:00:00 2001
From: leventov <leventov@ya.ru>
Date: Thu, 10 Sep 2015 16:46:29 +0300
Subject: [PATCH] HCOLL-384 #37 protect from double close()

---
 src/main/java/net/openhft/chronicle/map/ChannelProvider.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/net/openhft/chronicle/map/ChannelProvider.java b/src/main/java/net/openhft/chronicle/map/ChannelProvider.java
index b13c27788..332f43dec 100644
--- a/src/main/java/net/openhft/chronicle/map/ChannelProvider.java
+++ b/src/main/java/net/openhft/chronicle/map/ChannelProvider.java
@@ -620,6 +620,8 @@ final class ChannelProvider implements Closeable {
             channelDataLock.writeLock().lock();
             try {
                 int removedPos = chronicleChannelPositionsInList[chronicleChannel];
+                if (removedPos == -1)
+                    return;
                 chronicleChannelPositionsInList[removedPos] = -1;
                 chronicleChannelList.remove(removedPos);
                 chronicleChannelIds.remove(removedPos);