From b4bb5a798925775ce0d6f3c0ba17bf5b2da4b966 Mon Sep 17 00:00:00 2001
From: Parastoo Ashtari <parastoo.ashtari@huawei.com>
Date: Wed, 22 Sep 2021 10:12:42 -0400
Subject: [PATCH] add safety check for LoadParametersAndConst

---
 mindspore/ccsrc/debug/debugger/debugger.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/mindspore/ccsrc/debug/debugger/debugger.cc b/mindspore/ccsrc/debug/debugger/debugger.cc
index 6b0c63bc967..f2963304f77 100644
--- a/mindspore/ccsrc/debug/debugger/debugger.cc
+++ b/mindspore/ccsrc/debug/debugger/debugger.cc
@@ -433,9 +433,11 @@ void Debugger::PostExecuteGraphDebugger() {
   if (device_target_ != kGPUDevice) {
     return;
   }
-  // LoadParametersAndConst for all the graphs
-  for (auto graph : graph_ptr_step_vec_) {
-    debugger_->LoadParametersAndConst(graph);
+  // LoadParametersAndConst for all the graphs that have been run in the current step
+  if (debugger_) {
+    for (auto graph : graph_ptr_step_vec_) {
+      debugger_->LoadParametersAndConst(graph);
+    }
   }
   // debug used for dump
   if (debugger_ && debugger_->CheckDebuggerDumpEnabled()) {
@@ -644,7 +646,7 @@ bool Debugger::SendMetadata(bool version_check) {
   metadata.set_training_done(training_done_);
   metadata.set_ms_version(version_);
   MS_LOG(INFO) << "Is training done?" << training_done_;
-  // set graph munber to not_dataset_graph_sum_
+  // set graph number to not_dataset_graph_sum_
   metadata.set_graph_num(not_dataset_graph_sum_);
 
   MS_EXCEPTION_IF_NULL(grpc_client_);