netfilter: nfnetlink_queue: avoid peer_portid test

The portid is set to NETLINK_CB(skb).portid at create time.
The run-time check will always be false.
Signed-off-by: NFlorian Westphal <fw@strlen.de>
Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nfnetlink_queue_core.c

@@ -509,10 +509,6 @@ __nfqnl_enqueue_packet(struct net *net, struct nfqnl_instance *queue,
 	}
 	spin_lock_bh(&queue->lock);
 
-	if (!queue->peer_portid) {
-		err = -EINVAL;
-		goto err_out_free_nskb;
-	}
 	if (queue->queue_total >= queue->queue_maxlen) {
 		if (queue->flags & NFQA_CFG_F_FAIL_OPEN) {
 			failopen = 1;