adding user roles

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/TenantCreateObserver.java

@@ -49,7 +49,7 @@ public class TenantCreateObserver extends AbstractAxis2ConfigurationContextObser
                     DeviceManagementDataHolder.getInstance().getRealmService().getTenantUserRealm(tenantId)
                             .getUserStoreManager();
             String tenantAdminName = userRealm.getRealmConfiguration().getAdminUserName();
-            userStoreManager.addRole(User.DEFAULT_DEVICE_USER, null, User.PERMISSIONS_FOR_DEVICE_USER);
+            userStoreManager.addRole(User.DEFAULT_DEVICE_USER, new String[]{tenantAdminName}, User.PERMISSIONS_FOR_DEVICE_USER);
             userStoreManager.addRole(User.DEFAULT_DEVICE_ADMIN, new String[]{tenantAdminName},
                                      User.PERMISSIONS_FOR_DEVICE_ADMIN);
             if (log.isDebugEnabled()) {

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/internal/UserRoleCreateObserver.java

@@ -46,7 +46,8 @@ public class UserRoleCreateObserver implements ServerStartupObserver {
                     new String[]{tenantAdminName},
                     DeviceManagementConstants.User.PERMISSIONS_FOR_DEVICE_ADMIN);
             userStoreManager.addRole(
-                    DeviceManagementConstants.User.DEFAULT_DEVICE_USER, null,
+                    DeviceManagementConstants.User.DEFAULT_DEVICE_USER,
+                    new String[]{tenantAdminName},
                     DeviceManagementConstants.User.PERMISSIONS_FOR_DEVICE_USER);
 
             if (log.isDebugEnabled()) {