From 56d610f681b48c82ff6da7074c75edf776f64043 Mon Sep 17 00:00:00 2001
From: Xiaoda Zhang <zhangxiaoda@huawei.com>
Date: Sat, 19 Sep 2020 09:46:30 +0800
Subject: [PATCH] checking the find() return value

---
 .../parallel/auto_parallel/rec_core/rec_generate_strategy.cc   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_generate_strategy.cc b/mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_generate_strategy.cc
index b519f2dc0cc..02a06c9bebc 100644
--- a/mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_generate_strategy.cc
+++ b/mindspore/ccsrc/frontend/parallel/auto_parallel/rec_core/rec_generate_strategy.cc
@@ -487,6 +487,9 @@ Dimensions PrepareIncomingOperatorInputStrategy(const std::vector<std::shared_pt
   }
   if (ops[incoming_op_index]->type() == GATHERV2) {
     auto pos = ops[incoming_op_index]->name().find("Info");
+    if (pos == std::string::npos) {
+      return s;
+    }
     auto name = ops[incoming_op_index]->name().substr(0, pos);
     if (name == "GatherV2") {
       return s;