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[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

Browse source 
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
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5
net/decnet/dn_nsp_in.c
View file

@ -362,7 +362,8 @@ static void dn_nsp_conn_conf(struct sock *sk, struct sk_buff *skb)
u16 dlen = *skb->data;
if ((dlen <= 16) && (dlen <= skb->len)) {
scp->conndata_in.opt_optl = dn_htons(dlen);
memcpy(scp->conndata_in.opt_data, skb->data + 1, dlen);
skb_copy_from_linear_data_offset(skb, 1,
scp->conndata_in.opt_data, dlen);
}
}
dn_nsp_send_link(sk, DN_NOCHANGE, 0);
@ -406,7 +407,7 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
u16 dlen = *skb->data;
if ((dlen <= 16) && (dlen <= skb->len)) {
scp->discdata_in.opt_optl = dn_htons(dlen);
memcpy(scp->discdata_in.opt_data, skb->data + 1, dlen);
skb_copy_from_linear_data_offset(skb, 1, scp->discdata_in.opt_data, dlen);
}
}