From 15d6a55cd0f2ec2cf7446bb056bc43c39b3260cf Mon Sep 17 00:00:00 2001
From: Liangliang Zhang <zhangliangliang@baidu.com>
Date: Mon, 5 Feb 2018 14:02:48 -0800
Subject: [PATCH] fixed lane segment bug.

---
 modules/map/pnc_map/pnc_map.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/map/pnc_map/pnc_map.cc b/modules/map/pnc_map/pnc_map.cc
index 5c95543896..8c813906d3 100644
--- a/modules/map/pnc_map/pnc_map.cc
+++ b/modules/map/pnc_map/pnc_map.cc
@@ -241,6 +241,10 @@ bool PncMap::UpdateRoutingResponse(const routing::RoutingResponse &routing) {
         route_indices_.emplace_back();
         route_indices_.back().segment =
             ToLaneSegment(passage.segment(lane_index));
+        if (route_indices_.back().segment.lane == nullptr) {
+          AERROR << "Fail to get lane segment from passage.";
+          return false;
+        }
         route_indices_.back().index = {road_index, passage_index, lane_index};
       }
     }
-- 
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