[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:
committed by
David S. Miller
parent
2a123b86e2
commit
d626f62b11
@@ -362,7 +362,8 @@ static void dn_nsp_conn_conf(struct sock *sk, struct sk_buff *skb)
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u16 dlen = *skb->data;
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if ((dlen <= 16) && (dlen <= skb->len)) {
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scp->conndata_in.opt_optl = dn_htons(dlen);
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memcpy(scp->conndata_in.opt_data, skb->data + 1, dlen);
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skb_copy_from_linear_data_offset(skb, 1,
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scp->conndata_in.opt_data, dlen);
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}
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}
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dn_nsp_send_link(sk, DN_NOCHANGE, 0);
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@@ -406,7 +407,7 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
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u16 dlen = *skb->data;
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if ((dlen <= 16) && (dlen <= skb->len)) {
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scp->discdata_in.opt_optl = dn_htons(dlen);
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memcpy(scp->discdata_in.opt_data, skb->data + 1, dlen);
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skb_copy_from_linear_data_offset(skb, 1, scp->discdata_in.opt_data, dlen);
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}
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}
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