From 4999c5707d0d60f2b832235c7aca73fa43485d3b Mon Sep 17 00:00:00 2001
From: Lei Jitang <leijitang@huawei.com>
Date: Thu, 14 Jul 2016 22:52:44 -0400
Subject: [PATCH] Fix endpoint cnt decline overflow

Signed-off-by: Lei Jitang <leijitang@huawei.com>
---
 libnetwork/endpoint_cnt.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libnetwork/endpoint_cnt.go b/libnetwork/endpoint_cnt.go
index 9cc62324dd..c63d06abe0 100644
--- a/libnetwork/endpoint_cnt.go
+++ b/libnetwork/endpoint_cnt.go
@@ -143,7 +143,9 @@ retry:
 	if inc {
 		ec.Count++
 	} else {
-		ec.Count--
+		if ec.Count > 0 {
+			ec.Count--
+		}
 	}
 	ec.Unlock()