[SK_BUFF]: Introduce skb_reset_mac_header(skb)

For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can
later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.

This one touches just the most simple case, next will handle the slightly more
"complex" cases.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 4ab7b40e8c5..74062dc4e90 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -27,7 +27,8 @@ new_skb(ulong len)
 
         skb = alloc_skb(len, GFP_ATOMIC);
         if (skb) {
-                skb->nh.raw = skb->mac.raw = skb->data;
+                skb_reset_mac_header(skb);
+                skb->nh.raw = skb->data;
                 skb->protocol = __constant_htons(ETH_P_AOE);
                 skb->priority = 0;
                 skb->next = skb->prev = NULL;