Ignore link properties updates when nothing actually changed. (6076cb0b) · Commits · e / os / android_frameworks_base

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