vxlan: use reset to set header pointers

Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add operation
in set function.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 775ddb48388d68329a3c60c31936a5f5ad972a22..8ca243d93b781acb1bdd612dee90c8722b4b21f1 100644 (file)
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1460,7 +1460,7 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request,
        reply->dev = dev;
        skb_reserve(reply, LL_RESERVED_SPACE(request->dev));
        skb_push(reply, sizeof(struct ethhdr));
-       skb_set_mac_header(reply, 0);
+       skb_reset_mac_header(reply);
 
        ns = (struct nd_msg *)skb_transport_header(request);
 
@@ -1480,7 +1480,7 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request,
        reply->protocol = htons(ETH_P_IPV6);
 
        skb_pull(reply, sizeof(struct ethhdr));
-       skb_set_network_header(reply, 0);
+       skb_reset_network_header(reply);
        skb_put(reply, sizeof(struct ipv6hdr));
 
        /* IPv6 header */
@@ -1495,7 +1495,7 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request,
        pip6->saddr = *(struct in6_addr *)n->primary_key;
 
        skb_pull(reply, sizeof(struct ipv6hdr));
-       skb_set_transport_header(reply, 0);
+       skb_reset_transport_header(reply);
 
        na = (struct nd_msg *)skb_put(reply, sizeof(*na) + na_olen);