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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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6
drivers/net/tulip/dmfe.c
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@@ -682,7 +682,7 @@ static int dmfe_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
/* transmit this packet */
txptr = db->tx_insert_ptr;
memcpy(txptr->tx_buf_ptr, skb->data, skb->len);
skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len);
txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
/* Point to next transmit free descriptor */
@@ -989,7 +989,9 @@ static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db)
skb = newskb;
/* size less than COPY_SIZE, allocate a rxlen SKB */
skb_reserve(skb, 2); /* 16byte align */
memcpy(skb_put(skb, rxlen), rxptr->rx_skb_ptr->data, rxlen);
skb_copy_from_linear_data(rxptr->rx_skb_ptr,
skb_put(skb, rxlen),
rxlen);
dmfe_reuse_skb(db, rxptr->rx_skb_ptr);
} else
skb_put(skb, rxlen);