From 0ff1e64fab2fec7bd36af1b6b919088eaa3fa98a Mon Sep 17 00:00:00 2001
From: Qiao Longfei <qiaolongfei@baidu.com>
Date: Mon, 25 Mar 2019 17:53:04 +0800
Subject: [PATCH] fix a bug

---
 paddle/fluid/operators/distributed/grpc/grpc_server.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/paddle/fluid/operators/distributed/grpc/grpc_server.cc b/paddle/fluid/operators/distributed/grpc/grpc_server.cc
index e1ec9884c8c..9dd02ba3165 100644
--- a/paddle/fluid/operators/distributed/grpc/grpc_server.cc
+++ b/paddle/fluid/operators/distributed/grpc/grpc_server.cc
@@ -145,9 +145,9 @@ class RequestGet final : public RequestBase {
     framework::Variable* invar = nullptr;
     framework::Variable* outvar = nullptr;
 
-    auto* tmp_scope = scope->NewTmpScope();
-    request_handler_->Handle(varname, tmp_scope, invar, &outvar, trainer_id,
-                             out_varname, table_name);
+    tmp_scope_.reset(scope->NewTmpScope());
+    request_handler_->Handle(varname, tmp_scope_.get(), invar, &outvar,
+                             trainer_id, out_varname, table_name);
 
     VLOG(1) << "before SerializeToByteBuffer";
     if (outvar) {
@@ -155,13 +155,13 @@ class RequestGet final : public RequestBase {
                             &reply_);
     }
     VLOG(1) << "after SerializeToByteBuffer";
-    delete tmp_scope;
     Finish(reply_, &responder_);
   }
 
  protected:
   sendrecv::VariableMessage request_;
   ::grpc::ByteBuffer reply_;
+  std::unique_ptr<framework::Scope> tmp_scope_;
   ServerAsyncResponseWriter<::grpc::ByteBuffer> responder_;
 };
 
-- 
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