From aed63088411f46d4f3b0b115ef851e0ada8d3e76 Mon Sep 17 00:00:00 2001
From: Mygod <mygodstudio@gmail.com>
Date: Fri, 25 Dec 2015 16:25:39 +0800
Subject: [PATCH] Fix a race condition

---
 src/main/scala/com/github/shadowsocks/BaseService.scala | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/scala/com/github/shadowsocks/BaseService.scala b/src/main/scala/com/github/shadowsocks/BaseService.scala
index f580ed8a..0c81975a 100644
--- a/src/main/scala/com/github/shadowsocks/BaseService.scala
+++ b/src/main/scala/com/github/shadowsocks/BaseService.scala
@@ -134,6 +134,7 @@ trait BaseService extends Service {
   def updateTrafficTotal(tx: Long, rx: Long) {
     val handler = new Handler(getContext.getMainLooper)
     handler.post(() => {
+      val config = this.config  // avoid race conditions without locking
       if (config != null) {
         ShadowsocksApplication.profileManager.getProfile(config.profileId) match {
           case Some(profile) =>