From 6976fae02e8eea767bd214a428606830d299ccff Mon Sep 17 00:00:00 2001
From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 24 Mar 2020 18:18:44 +0900
Subject: [PATCH] Add a log message if enabling Ethernet tethering if it is
 already enabled.

Test: builds
Bug: 150644681
Change-Id: I68123e6dd04ccae5da2ecd7526c11d9f835d1d57
---
 .../com/android/server/connectivity/tethering/Tethering.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Tethering/src/com/android/server/connectivity/tethering/Tethering.java b/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
index 3dcc15f92c..167e044642 100644
--- a/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
+++ b/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
@@ -635,7 +635,10 @@ public class Tethering {
                 Context.ETHERNET_SERVICE);
         synchronized (mPublicSync) {
             if (enable) {
-                if (mEthernetCallback != null) return TETHER_ERROR_NO_ERROR;
+                if (mEthernetCallback != null) {
+                    Log.d(TAG, "Ethernet tethering already started");
+                    return TETHER_ERROR_NO_ERROR;
+                }
 
                 mEthernetCallback = new EthernetCallback();
                 mEthernetIfaceRequest = em.requestTetheredInterface(mExecutor, mEthernetCallback);