From c1863f8887d0be4dc0802b993741904341d36766 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cosmin=20B=C4=83ie=C8=99?= <cosminbaies@google.com>
Date: Wed, 19 Apr 2023 14:14:50 +0200
Subject: [PATCH] Add missing validation in IInputMethodWrapper

The case handling DO_SET_STYLUS_WINDOW_IDLE_TIMEOUT was missing
the validation check, which could lead to NullPointerExceptions.

Test: n/a
Bug: 278853086
Change-Id: I998e20df74b618396cfe3b1fa5d7d4e7d13e054c
---
 core/java/android/inputmethodservice/IInputMethodWrapper.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/java/android/inputmethodservice/IInputMethodWrapper.java b/core/java/android/inputmethodservice/IInputMethodWrapper.java
index ed6a88f3693d0..70b72c8095248 100644
--- a/core/java/android/inputmethodservice/IInputMethodWrapper.java
+++ b/core/java/android/inputmethodservice/IInputMethodWrapper.java
@@ -304,7 +304,9 @@ class IInputMethodWrapper extends IInputMethod.Stub
                 return;
             }
             case DO_SET_STYLUS_WINDOW_IDLE_TIMEOUT: {
-                inputMethod.setStylusWindowIdleTimeoutForTest((long) msg.obj);
+                if (isValid(inputMethod, target, "DO_SET_STYLUS_WINDOW_IDLE_TIMEOUT")) {
+                    inputMethod.setStylusWindowIdleTimeoutForTest((long) msg.obj);
+                }
                 return;
             }
         }