[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>
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index a5e0237..b3a64ca 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -682,7 +682,7 @@
/* 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 @@
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);