From 4968d79efe2bdc12ef7f48b636b54fb7a63559e0 Mon Sep 17 00:00:00 2001
From: ot903277 <ot_youyao.hu@mediatek.com>
Date: Wed, 27 Apr 2022 16:53:53 +0800
Subject: [PATCH] Add PM checker for AppOpsManager

Added null == pm to deal with the possible null pointer problem when
LowRamDevice gets AppOps

Bug:230592908
Fixes:237613199
Test: run gts -m GtsPreserveLegacyStorageHostTest -t android.scopedstorage.cts.host.PreserveLegacyStorageHostTest#testPreserveLegacy

Change-Id: I80f1662a694886ef2acde58ae3eec50254e08aa2
---
 core/java/android/app/AppOpsManager.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/java/android/app/AppOpsManager.java b/core/java/android/app/AppOpsManager.java
index 125f5e4e1a21b..017944d384174 100644
--- a/core/java/android/app/AppOpsManager.java
+++ b/core/java/android/app/AppOpsManager.java
@@ -10291,6 +10291,9 @@ public class AppOpsManager {
 
         // system alert window is disable on low ram phones starting from Q
         final PackageManager pm = context.getPackageManager();
+        if (null == pm) {
+            return AppOpsManager.MODE_DEFAULT;
+        }
         // TVs are constantly plugged in and has less concern for memory/power
         if (ActivityManager.isLowRamDeviceStatic()
                 && !pm.hasSystemFeature(PackageManager.FEATURE_LEANBACK, 0)) {