[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

To clearly state the intent of copying from linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-27 18:55:52 -03:00
committed by David S. Miller
parent 2a123b86e2
commit d626f62b11
133 changed files with 321 additions and 230 deletions

View File

@@ -40,7 +40,7 @@ void nr_output(struct sock *sk, struct sk_buff *skb)
if (skb->len - NR_TRANSPORT_LEN > NR_MAX_PACKET_SIZE) {
/* Save a copy of the Transport Header */
memcpy(transport, skb->data, NR_TRANSPORT_LEN);
skb_copy_from_linear_data(skb, transport, NR_TRANSPORT_LEN);
skb_pull(skb, NR_TRANSPORT_LEN);
frontlen = skb_headroom(skb);
@@ -54,7 +54,7 @@ void nr_output(struct sock *sk, struct sk_buff *skb)
len = (NR_MAX_PACKET_SIZE > skb->len) ? skb->len : NR_MAX_PACKET_SIZE;
/* Copy the user data */
memcpy(skb_put(skbn, len), skb->data, len);
skb_copy_from_linear_data(skb, skb_put(skbn, len), len);
skb_pull(skb, len);
/* Duplicate the Transport Header */