[BONDING]: Introduce arp_pkt()

For consistency with all the other skb->nh.raw accessors.

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

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 916162ca0c98..36b8e860107e 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -104,6 +104,11 @@ struct arp_pkt {
 };
 #pragma pack()
 
+static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
+{
+        return (struct arp_pkt *)skb->nh.raw;
+}
+
 /* Forward declaration */
 static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]);
 
@@ -613,7 +618,7 @@ static void rlb_req_update_subnet_clients(struct bonding *bond, u32 src_ip)
 static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bond)
 {
         struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
-        struct arp_pkt *arp = (struct arp_pkt *)skb->nh.raw;
+        struct arp_pkt *arp = arp_pkt(skb);
         struct slave *assigned_slave;
         struct rlb_client_info *client_info;
         u32 hash_index = 0;
@@ -701,7 +706,7 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon
  */
 static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
 {
-        struct arp_pkt *arp = (struct arp_pkt *)skb->nh.raw;
+        struct arp_pkt *arp = arp_pkt(skb);
         struct slave *tx_slave = NULL;
 
         if (arp->op_code == __constant_htons(ARPOP_REPLY)) {