From 719b573173db67ae3ce659e3a8090e6da820d7ca Mon Sep 17 00:00:00 2001
From: Wang Han <wanghan1995315@gmail.com>
Date: Fri, 15 May 2020 09:20:39 +0000
Subject: [PATCH] Fix NPE if default supervisor is not defined

 * Checking for null does not work sadly. This fixes NPE at
   calling who.compareTo(supervisorComponent).

Change-Id: Ie49df625b1514b1d1e5f8063db66dce4a5050039
---
 .../specialaccess/deviceadmin/DeviceAdminAdd.java             | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
index 8b06975bc06..f3c029f8313 100644
--- a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
+++ b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
@@ -288,7 +288,7 @@ public class DeviceAdminAdd extends Activity {
             // setup.
             final String supervisor = getString(
                     com.android.internal.R.string.config_defaultSupervisionProfileOwnerComponent);
-            if (supervisor == null) {
+            if (TextUtils.isEmpty(supervisor)) {
                 Log.w(TAG, "Unable to set profile owner post-setup, no default supervisor"
                         + "profile owner defined");
                 finish();
@@ -297,7 +297,7 @@ public class DeviceAdminAdd extends Activity {
 
             final ComponentName supervisorComponent = ComponentName.unflattenFromString(
                     supervisor);
-            if (who.compareTo(supervisorComponent) != 0) {
+            if (supervisorComponent == null || who.compareTo(supervisorComponent) != 0) {
                 Log.w(TAG, "Unable to set non-default profile owner post-setup " + who);
                 finish();
                 return;