Fix NPE in MediaRouterService

Bug: 63970300
Test: manual and passed MediaRouterTest
Change-Id: I2e8d09d16ca8693b1bdf51397ad4f10c4aa6d87b

diff --git a/services/core/java/com/android/server/media/MediaRouterService.java b/services/core/java/com/android/server/media/MediaRouterService.java
index 5ba8f48..922df1e 100644 (file)
--- a/services/core/java/com/android/server/media/MediaRouterService.java
+++ b/services/core/java/com/android/server/media/MediaRouterService.java
@@ -355,7 +355,7 @@ public final class MediaRouterService extends IMediaRouterService.Stub
     void restoreRoute(int uid) {
         ClientRecord clientRecord = null;
         UserRecord userRecord = mUserRecords.get(UserHandle.getUserId(uid));
-        if (userRecord.mClientRecords != null) {
+        if (userRecord != null && userRecord.mClientRecords != null) {
             for (ClientRecord cr : userRecord.mClientRecords) {
                 if (validatePackageName(uid, cr.mPackageName)) {
                     clientRecord = cr;