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/forcedeth.c b/drivers/net/forcedeth.c
index 8aa80946d835..a1c0e7bb70e8 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -2148,7 +2148,7 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
         unsigned int i;
         u32 offset = 0;
         u32 bcnt;
-        u32 size = skb->len-skb->data_len;
+        u32 size = skb_headlen(skb);
         u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
         u32 empty_slots;
         struct ring_desc* put_tx;
@@ -2269,7 +2269,7 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
         unsigned int i;
         u32 offset = 0;
         u32 bcnt;
-        u32 size = skb->len-skb->data_len;
+        u32 size = skb_headlen(skb);
         u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0);
         u32 empty_slots;
         struct ring_desc_ex* put_tx;