From 456461238f86e1ff42b5b07de22c3231bee9bc6f Mon Sep 17 00:00:00 2001
From: Yifan Hong <elsk@google.com>
Date: Mon, 21 May 2018 12:38:10 -0700
Subject: [PATCH] FingerprintService: requires ro.product.first_api_level

Test: fingerprint registration works
Bug: 79950359
Change-Id: I1c75b9258a5c63b23fa2c546f002a596c9d55dc3
---
 .../com/android/server/fingerprint/FingerprintService.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index 2a6f7c8eaadb3..06329e571b433 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -1500,7 +1500,10 @@ public class FingerprintService extends SystemService implements IHwBinder.Death
                 userId = getUserOrWorkProfileId(clientPackage, userId);
                 if (userId != mCurrentUserId) {
                     int firstSdkInt = Build.VERSION.FIRST_SDK_INT;
-                    if (firstSdkInt == 0) firstSdkInt = Build.VERSION.SDK_INT;
+                    if (firstSdkInt < Build.VERSION_CODES.BASE) {
+                        Slog.e(TAG, "First SDK version " + firstSdkInt + " is invalid; must be " +
+                                "at least VERSION_CODES.BASE");
+                    }
                     File baseDir;
                     if (firstSdkInt <= Build.VERSION_CODES.O_MR1) {
                         baseDir = Environment.getUserSystemDirectory(userId);