Check for initialization of mUpdateEngine

Bug: 207768409 Test: th Change-Id: Idc702658ab542566d775b296f1e82b63b0c1c2a4
2021-12-01 10:50:50 -08:00
parent f7a480d824
commit 8af2abfcc7
1 changed files with 4 additions and 1 deletions
--- a/core/java/android/os/UpdateEngine.java
+++ b/core/java/android/os/UpdateEngine.java
@@ -238,7 +238,7 @@ public class UpdateEngine {
        public static final int DISABLED = 9;
    }

-    private IUpdateEngine mUpdateEngine;
+    private final IUpdateEngine mUpdateEngine;
    private IUpdateEngineCallback mUpdateEngineCallback = null;
    private final Object mUpdateEngineCallbackLock = new Object();

@@ -248,6 +248,9 @@ public class UpdateEngine {
    public UpdateEngine() {
        mUpdateEngine = IUpdateEngine.Stub.asInterface(
                ServiceManager.getService(UPDATE_ENGINE_SERVICE));
+        if (mUpdateEngine == null) {
+            throw new IllegalStateException("Failed to find update_engine");
+        }
    }

    /**