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[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}

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To clearly state the intent of copying to 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 2007-03-31 11:55:19 -03:00 • committed by David S. Miller
commit 27d7ff46a3
63 changed files with 185 additions and 127 deletions
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4
drivers/usb/atm/usbatm.c
View file

@ -396,7 +396,9 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
goto out; /* atm_charge increments rx_drop */
}
memcpy(skb->data, skb_tail_pointer(sarb) - pdu_length, length);
skb_copy_to_linear_data(skb,
skb_tail_pointer(sarb) - pdu_length,
length);
__skb_put(skb, length);
vdbg("%s: sending skb 0x%p, skb->len %u, skb->truesize %u",

2
drivers/usb/net/asix.c
View file

@ -352,7 +352,7 @@ static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
skb_push(skb, 4);
packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4);
cpu_to_le32s(&packet_len);
memcpy(skb->data, &packet_len, sizeof(packet_len));
skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
if ((skb->len % 512) == 0) {
cpu_to_le32s(&padbytes);