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>
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 18e0a80..fa10f13 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -432,7 +432,7 @@
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 @@
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++;