[PPP] pppoe: Fill in header directly in __pppoe_xmit
This patch removes the hdr variable (which is copied into the skb)
and instead sets the header directly in the skb.
It also uses __skb_push instead of skb_push since we've just checked
using skb_cow for enough head room.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 8818253..bac3654 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -848,19 +848,12 @@
{
struct pppox_sock *po = pppox_sk(sk);
struct net_device *dev = po->pppoe_dev;
- struct pppoe_hdr hdr;
struct pppoe_hdr *ph;
int data_len = skb->len;
if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED))
goto abort;
- hdr.ver = 1;
- hdr.type = 1;
- hdr.code = 0;
- hdr.sid = po->num;
- hdr.length = htons(skb->len);
-
if (!dev)
goto abort;
@@ -870,12 +863,17 @@
if (skb_cow(skb, sizeof(*ph) + dev->hard_header_len))
goto abort;
- ph = (struct pppoe_hdr *) skb_push(skb, sizeof(struct pppoe_hdr));
- memcpy(ph, &hdr, sizeof(struct pppoe_hdr));
- skb->protocol = __constant_htons(ETH_P_PPP_SES);
-
+ __skb_push(skb, sizeof(*ph));
skb_reset_network_header(skb);
+ ph = pppoe_hdr(skb);
+ ph->ver = 1;
+ ph->type = 1;
+ ph->code = 0;
+ ph->sid = po->num;
+ ph->length = htons(data_len);
+
+ skb->protocol = __constant_htons(ETH_P_PPP_SES);
skb->dev = dev;
dev->hard_header(skb, dev, ETH_P_PPP_SES,