[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 <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-27 18:55:52 -03:00 • committed by David S. Miller
commit d626f62b11
133 changed files with 321 additions and 230 deletions

View file

@ -1156,7 +1156,7 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
int lg;
/* Save a copy of the Header */
memcpy(header, skb->data, ROSE_MIN_LEN);
skb_copy_from_linear_data(skb, header, ROSE_MIN_LEN);
skb_pull(skb, ROSE_MIN_LEN);
frontlen = skb_headroom(skb);
@ -1176,7 +1176,7 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
lg = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
/* Copy the user data */
memcpy(skb_put(skbn, lg), skb->data, lg);
skb_copy_from_linear_data(skb, skb_put(skbn, lg), lg);
skb_pull(skb, lg);
/* Duplicate the Header */