case OVS_KEY_ATTR_ICMP:
case OVS_KEY_ATTR_ICMPV6:
case OVS_KEY_ATTR_ND:
+ case OVS_KEY_ATTR_TCP_FLAGS:
case __OVS_KEY_ATTR_MAX:
default:
NOT_REACHED();
break;
case OVS_ACTION_ATTR_USERSPACE: {
- userspace(dp, packet, key, a);
+ if (userspace) {
+ userspace(dp, packet, key, a);
+ }
break;
}