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Commit 3d51d8ba authored by Erik Kline's avatar Erik Kline Committed by android-build-merger
Browse files

Ignore link properties updates when nothing actually changed. 

am: 6076cb0b

* commit '6076cb0b':
  Ignore link properties updates when nothing actually changed.
parents e5345d86 6076cb0b

services/net/java/android/net/ip/IpManager.java

+10 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ import com.android.server.net.NetlinkTracker; 
import java.net.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.Objects;





/**
@@ -284,6 +285,12 @@ public class IpManager extends StateMachine { 
        return delta;

    }



    private boolean linkPropertiesUnchanged(LinkProperties newLp) {

        synchronized (mLock) {

            return Objects.equals(newLp, mLinkProperties);

        }

    }



    private LinkProperties assembleLinkProperties() {

        // [1] Create a new LinkProperties object to populate.

        LinkProperties newLp = new LinkProperties();
@@ -489,6 +496,9 @@ public class IpManager extends StateMachine { 


                case EVENT_NETLINK_LINKPROPERTIES_CHANGED: {

                    final LinkProperties newLp = assembleLinkProperties();

                    if (linkPropertiesUnchanged(newLp)) {

                        break;

                    }

                    final ProvisioningChange delta = setLinkProperties(newLp);



                    // NOTE: The only receiver of these callbacks currently