From 2365ad895adbd56698d6e47832bc749250dc7375 Mon Sep 17 00:00:00 2001
From: Grace Cheng <graciecheng@google.com>
Date: Mon, 12 Jun 2023 20:34:20 +0000
Subject: [PATCH] Fix NPE in updateAddPreference

Update mAddFingerprintPreference to avoid NPE

Fixes: 286495189
Test: Rotate screen during first fingerprint enrollment, complete enrollment, and observe no crash
Change-Id: Id7edde492168b467360c6c99b326721cd883bba8
---
 .../settings/biometrics/fingerprint/FingerprintSettings.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java b/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
index be090e33366..fb3319c3ff6 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintSettings.java
@@ -623,9 +623,9 @@ public class FingerprintSettings extends SubSettings {
                 return; // Activity went away
             }
 
-            final Preference addPreference = findPreference(KEY_FINGERPRINT_ADD);
+            mAddFingerprintPreference = findPreference(KEY_FINGERPRINT_ADD);
 
-            if (addPreference == null) {
+            if (mAddFingerprintPreference == null) {
                 return; // b/275519315 Skip if updateAddPreference() invoke before addPreference()
             }