drivers: net: use skb_headlen()

replaces (skb->len - skb->data_len) occurrences by skb_headlen(skb)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 1292d2344a34..a03730bd1da5 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -704,8 +704,8 @@ static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev)
 
                 if (i == 0) {
                         data->txring[tx].buf0 = dma_map_single(NULL, skb->data,
-                                        skb->len - skb->data_len, DMA_TO_DEVICE);
-                        data->txring[tx].len = skb->len - skb->data_len;
+                                        skb_headlen(skb), DMA_TO_DEVICE);
+                        data->txring[tx].len = skb_headlen(skb);
                         misc |= TSI108_TX_SOF;
                 } else {
                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];