netfilter: replace old NF_ARP calls with NFPROTO_ARP

(Supplements: ee999d8b9573df1b547aacdc6d79f86eb79c25cd)

NFPROTO_ARP actually has a different value from NF_ARP, so ensure all
callers use the new value so that packets _do_ get delivered to the
registered hooks.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_netfilter.c

@@ -719,7 +719,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
 		return NF_ACCEPT;
 	}
 	*d = (struct net_device *)in;
-	NF_HOOK(NF_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
+	NF_HOOK(NFPROTO_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
 		(struct net_device *)out, br_nf_forward_finish);
 
 	return NF_STOLEN;

net/ipv4/arp.c

@@ -663,7 +663,7 @@ out:
 void arp_xmit(struct sk_buff *skb)
 {
 	/* Send it off, maybe filter it using firewalling first.  */
-	NF_HOOK(NF_ARP, NF_ARP_OUT, skb, NULL, skb->dev, dev_queue_xmit);
+	NF_HOOK(NFPROTO_ARP, NF_ARP_OUT, skb, NULL, skb->dev, dev_queue_xmit);
 }
 
 /*
@@ -928,7 +928,7 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
 
-	return NF_HOOK(NF_ARP, NF_ARP_IN, skb, dev, NULL, arp_process);
+	return NF_HOOK(NFPROTO_ARP, NF_ARP_IN, skb, dev, NULL, arp_process);
 
 freeskb:
 	kfree_skb(skb);

net/netfilter/xt_NFQUEUE.c

@@ -48,7 +48,7 @@ static struct xt_target nfqueue_tg_reg[] __read_mostly = {
 	},
 	{
 		.name		= "NFQUEUE",
-		.family		= NF_ARP,
+		.family		= NFPROTO_ARP,
 		.target		= nfqueue_tg,
 		.targetsize	= sizeof(struct xt_NFQ_info),
 		.me		= THIS_MODULE,