server: code optimization for PR #4001

Author: ustcweizhou

plugins/affinity-group-processors/explicit-dedication/src/main/java/org/apache/cloudstack/affinity/ExplicitDedicationProcessor.java

@@ -95,10 +95,8 @@ public void process(VirtualMachineProfile vmProfile, DeploymentPlan plan, Exclud
         List<DedicatedResourceVO> dedicatedHosts = _dedicatedDao.listAll();
         for (DedicatedResourceVO host : dedicatedHosts) {
             // Hosts dedicated to different domain/account are not suitable for migration
-            if (host.getAccountId() != null && vm.getAccountId() != host.getAccountId()) {
-                avoid.addHost(host.getHostId());
-            }
-            if (host.getDomainId() != null && vm.getDomainId() != host.getDomainId()) {
+            if ((host.getAccountId() != null && vm.getAccountId() != host.getAccountId()) ||
+                    (host.getDomainId() != null && vm.getDomainId() != host.getDomainId())) {
                 avoid.addHost(host.getHostId());
             }
         }