[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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index c5faf1380e15..166c959c94b9 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -913,7 +913,8 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
                 if (skb->len <= WR_LEN - sizeof(*cpl)) {
                         q->sdesc[pidx].skb = NULL;
                         if (!skb->data_len)
-                                memcpy(&d->flit[2], skb->data, skb->len);
+                                skb_copy_from_linear_data(skb, &d->flit[2],
+                                                          skb->len);
                         else
                                 skb_copy_bits(skb, 0, &d->flit[2], skb->len);
 
@@ -1771,7 +1772,7 @@ static struct sk_buff *get_packet(struct adapter *adap, struct sge_fl *fl,
                         __skb_put(skb, len);
                         pci_dma_sync_single_for_cpu(adap->pdev, mapping, len,
                                                     PCI_DMA_FROMDEVICE);
-                        memcpy(skb->data, sd->t.skb->data, len);
+                        skb_copy_from_linear_data(sd->t.skb, skb->data, len);
                         pci_dma_sync_single_for_device(adap->pdev, mapping, len,
                                                        PCI_DMA_FROMDEVICE);
                 } else if (!drop_thres)