[SK_BUFF]: Introduce arp_hdr(), remove skb->nh.arph

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

6 files changed, 8 insertions, 8 deletions

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index ebe740f6b902..0ee74b1e4770 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -670,7 +670,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff **pskb,
 		(*pskb)->nh.raw += VLAN_HLEN;
 	}
 
-	if (skb->nh.arph->ar_pln != 4) {
+	if (arp_hdr(skb)->ar_pln != 4) {
 		if (IS_VLAN_ARP(skb)) {
 			skb_push(*pskb, VLAN_HLEN);
 			(*pskb)->nh.raw -= VLAN_HLEN;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index c4cec17be334..496b06244a8e 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -363,7 +363,7 @@ static void arp_reply(struct sk_buff *skb)
 
 	skb_reset_network_header(skb);
 	skb->h.raw = skb->data;
-	arp = skb->nh.arph;
+	arp = arp_hdr(skb);
 
 	if ((arp->ar_hrd != htons(ARPHRD_ETHER) &&
 	     arp->ar_hrd != htons(ARPHRD_IEEE802)) ||
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 01d0e8dd17d8..7110779a0244 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -721,7 +721,7 @@ static int arp_process(struct sk_buff *skb)
 	if (in_dev == NULL)
 		goto out;
 
-	arp = skb->nh.arph;
+	arp = arp_hdr(skb);
 
 	switch (dev_type) {
 	default:
@@ -937,7 +937,7 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
 				 (2 * sizeof(u32)))))
 		goto freeskb;
 
-	arp = skb->nh.arph;
+	arp = arp_hdr(skb);
 	if (arp->ar_hln != dev->addr_len ||
 	    dev->flags & IFF_NOARP ||
 	    skb->pkt_type == PACKET_OTHERHOST ||
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 57b0221f9e24..cae41215e3c7 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -245,7 +245,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
 	e = get_entry(table_base, private->hook_entry[hook]);
 	back = get_entry(table_base, private->underflow[hook]);
 
-	arp = (*pskb)->nh.arph;
+	arp = arp_hdr(*pskb);
 	do {
 		if (arp_packet_match(arp, (*pskb)->dev, indev, outdev, &e->arp)) {
 			struct arpt_entry_target *t;
@@ -297,7 +297,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
 								     t->data);
 
 				/* Target might have changed stuff. */
-				arp = (*pskb)->nh.arph;
+				arp = arp_hdr(*pskb);
 
 				if (verdict == ARPT_CONTINUE)
 					e = (void *)e + e->next_offset;
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index af1c8593eb19..b4450f1ccc1b 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -30,7 +30,7 @@ target(struct sk_buff **pskb,
 		*pskb = nskb;
 	}
 
-	arp = (*pskb)->nh.arph;
+	arp = arp_hdr(*pskb);
 	arpptr = skb_network_header(*pskb) + sizeof(*arp);
 	pln = arp->ar_pln;
 	hln = arp->ar_hln;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index af5b82b8ceb7..d3b16817a991 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -521,7 +521,7 @@ arp_mangle(unsigned int hook,
 	   const struct net_device *out,
 	   int (*okfn)(struct sk_buff *))
 {
-	struct arphdr *arp = (*pskb)->nh.arph;
+	struct arphdr *arp = arp_hdr(*pskb);
 	struct arp_payload *payload;
 	struct clusterip_config *c;