Merge "Add Log.wtf when transports are missing" am: 92ca0b703d am: 4984e73af3 am: 4dbfc94137

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2588505

Change-Id: I61c2c10108f66c10964910fa38d7312dbd5c0534
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java b/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
index e245ff1..2fa1ae4 100644
--- a/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
+++ b/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
@@ -414,8 +414,10 @@
             if (networkKey == LOCAL_NET) {
                 transports = new int[0];
             } else {
-                transports = mActiveNetworksTransports.getOrDefault(
-                        ((NetworkAsKey) networkKey).mNetwork, new int[0]);
+                transports = mActiveNetworksTransports.get(((NetworkAsKey) networkKey).mNetwork);
+                if (transports == null) {
+                    Log.wtf(TAG, "transports is missing for key: " + networkKey);
+                }
             }
             if (networkInterface == null || !isMdnsCapableInterface(networkInterface, transports)) {
                 return;