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, 1 insertions, 1 deletions

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 958dc283d0e7..e0b47cc8a86e 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2757,7 +2757,7 @@ again:
         }
 
         /* map the skb for DMA */
-        len = skb->len - skb->data_len;
+        len = skb_headlen(skb);
         idx = tx->req & tx->mask;
         tx->info[idx].skb = skb;
         bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);