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/benet/be_main.c b/drivers/net/benet/be_main.c
index 18e0a80d3e61..fa10f13242c3 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -432,7 +432,7 @@ static int make_tx_wrbs(struct be_adapter *adapter,
         map_head = txq->head;
 
         if (skb->len > skb->data_len) {
-                int len = skb->len - skb->data_len;
+                int len = skb_headlen(skb);
                 busaddr = pci_map_single(pdev, skb->data, len,
                                          PCI_DMA_TODEVICE);
                 if (pci_dma_mapping_error(pdev, busaddr))
@@ -1098,7 +1098,7 @@ static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index)
                 cur_index = txq->tail;
                 wrb = queue_tail_node(txq);
                 unmap_tx_frag(adapter->pdev, wrb, (unmap_skb_hdr &&
-                                        sent_skb->len > sent_skb->data_len));
+                                        skb_headlen(sent_skb)));
                 unmap_skb_hdr = false;
 
                 num_wrbs++;