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/s2io.c b/drivers/net/s2io.c
index bab0061f30f1..f155928bf14e 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -2400,7 +2400,7 @@ static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data,
                 return NULL;
         }
         pci_unmap_single(nic->pdev, (dma_addr_t)txds->Buffer_Pointer,
-                         skb->len - skb->data_len, PCI_DMA_TODEVICE);
+                         skb_headlen(skb), PCI_DMA_TODEVICE);
         frg_cnt = skb_shinfo(skb)->nr_frags;
         if (frg_cnt) {
                 txds++;
@@ -4202,7 +4202,7 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
                 txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag);
         }
 
-        frg_len = skb->len - skb->data_len;
+        frg_len = skb_headlen(skb);
         if (offload_type == SKB_GSO_UDP) {
                 int ufo_size;