From 86510aa295308214c0e4562e7ecd23399d00ab3a Mon Sep 17 00:00:00 2001
From: jackyu2020 <64533877+jackyu2020@users.noreply.github.com>
Date: Sun, 3 May 2020 09:49:57 +0800
Subject: [PATCH] check the return value of fscanf (#2218)

Signed-off-by: e <ych05zh@163.com>
---
 core/src/metrics/SystemInfo.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/src/metrics/SystemInfo.cpp b/core/src/metrics/SystemInfo.cpp
index 3ba70a245f..711c7cb885 100644
--- a/core/src/metrics/SystemInfo.cpp
+++ b/core/src/metrics/SystemInfo.cpp
@@ -318,8 +318,9 @@ SystemInfo::CPUTemperature() {
                         return result;
                     }
                     float temp;
-                    fscanf(file, "%f", &temp);
-                    result.push_back(temp / 1000);
+                    if (fscanf(file, "%f", &temp) != -1) {
+                        result.push_back(temp / 1000);
+                    }
                 }
             }
         }