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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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2
drivers/usb/atm/usbatm.c
View file

@ -484,7 +484,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance,
ptr[4] = 0xec;
ptr += ATM_CELL_HEADER;
memcpy(ptr, skb->data, data_len);
skb_copy_from_linear_data(skb, ptr, data_len);
ptr += data_len;
__skb_pull(skb, data_len);

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

@ -418,7 +418,7 @@ static int catc_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev)
catc->tx_ptr = (((catc->tx_ptr - 1) >> 6) + 1) << 6;
tx_buf = catc->tx_buf[catc->tx_idx] + catc->tx_ptr;
*((u16*)tx_buf) = (catc->is_f5u011) ? cpu_to_be16((u16)skb->len) : cpu_to_le16((u16)skb->len);
memcpy(tx_buf + 2, skb->data, skb->len);
skb_copy_from_linear_data(skb, tx_buf + 2, skb->len);
catc->tx_ptr += skb->len + 2;
if (!test_and_set_bit(TX_RUNNING, &catc->flags))

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

@ -889,7 +889,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
netif_stop_queue(net);
((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16);
memcpy(pegasus->tx_buff + 2, skb->data, skb->len);
skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len);
usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb,
usb_sndbulkpipe(pegasus->usb, 2),
pegasus->tx_buff, count,