From 93a2b317f72861cd08fa22850c69fdec769d0747 Mon Sep 17 00:00:00 2001
From: jiaqi <173596896@qq.com>
Date: Sat, 29 Jun 2019 15:50:42 +0800
Subject: [PATCH] fix data feed ptr error (#18419)

fix data feed ptr runtime error, pipeline trainer will core in some cases, so set it nullptr as default value.
---
 paddle/fluid/framework/device_worker.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/framework/device_worker.h b/paddle/fluid/framework/device_worker.h
index 035392ef318..8c91a5b9bf4 100644
--- a/paddle/fluid/framework/device_worker.h
+++ b/paddle/fluid/framework/device_worker.h
@@ -119,9 +119,9 @@ class DeviceWorker {
   }
 
  protected:
-  Scope* root_scope_;
+  Scope* root_scope_ = nullptr;
   paddle::platform::Place place_;
-  DataFeed* device_reader_;
+  DataFeed* device_reader_ = nullptr;
   int64_t batch_num_;
   FetchConfig fetch_config_;
   bool use_cvm_;
-- 
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