홍길동 / onos

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Lei Xu
Committed by Gerrit Code Review
3aeaf729 1 parent 4859b3ab

[ONOS-3159] fix a concurrency issue in DHCPRelay.java 

Change-Id: Ib9bc5d0f0e788ceabc5272a05ac52a6753a3a229
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Showing 1 changed file with 4 additions and 0 deletions
...@@ -384,6 +384,10 @@ public class DhcpRelay { ...@@ -384,6 +384,10 @@ public class DhcpRelay {
384 MacAddress descMac = new MacAddress(dhcpPayload.getClientHardwareAddress()); 384 MacAddress descMac = new MacAddress(dhcpPayload.getClientHardwareAddress());
385 Host host = hostService.getHost(HostId.hostId(descMac, 385 Host host = hostService.getHost(HostId.hostId(descMac,
386 VlanId.vlanId(ethPacket.getVlanID()))); 386 VlanId.vlanId(ethPacket.getVlanID())));
387 + //handle the concurrent host offline scenario
388 + if (host == null) {
389 + return;
390 + }
387 ConnectPoint dhcpRequestor = new ConnectPoint(host.location().elementId(), 391 ConnectPoint dhcpRequestor = new ConnectPoint(host.location().elementId(),
388 host.location().port()); 392 host.location().port());
389 393
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