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[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

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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
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10
drivers/net/meth.c
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@@ -608,7 +608,7 @@ static void meth_tx_short_prepare(struct meth_private *priv,
desc->header.raw = METH_TX_CMD_INT_EN | (len-1) | ((128-len) << 16);
/* maybe I should set whole thing to 0 first... */
memcpy(desc->data.dt + (120 - len), skb->data, skb->len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - len), skb->len);
if (skb->len < len)
memset(desc->data.dt + 120 - len + skb->len, 0, len-skb->len);
}
@@ -626,8 +626,8 @@ static void meth_tx_1page_prepare(struct meth_private *priv,
/* unaligned part */
if (unaligned_len) {
memcpy(desc->data.dt + (120 - unaligned_len),
skb->data, unaligned_len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}
@@ -652,8 +652,8 @@ static void meth_tx_2page_prepare(struct meth_private *priv,
desc->header.raw = METH_TX_CMD_INT_EN | TX_CATBUF1 | TX_CATBUF2| (skb->len - 1);
/* unaligned part */
if (unaligned_len){
memcpy(desc->data.dt + (120 - unaligned_len),
skb->data, unaligned_len);
skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}