From b5bff72edd5902efd45b86716229f4d72db56144 Mon Sep 17 00:00:00 2001
From: ZhaoPengyuan <zhaopengyuan@hisilicon.com>
Date: Tue, 29 Sep 2020 22:09:26 +0800
Subject: [PATCH] ams:nullptr judgement

nullptr judgement
---
 .../java/com/android/server/am/ActivityManagerService.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index fcfd5491..1ee03479 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -9019,6 +9019,9 @@ public final class ActivityManagerService extends ActivityManagerNative
     // =========================================================
 
     public int getAppTasksCnt(String callingPackage) {
+        if (mRecentTasks == null) {
+            return 0;
+        }
         final int N = mRecentTasks.size();
         int cnt = 0;
         for (int i = 0; i < N; i++) {
-- 
Gitee