[SK_BUFF]: Introduce skb_network_offset()

For the quite common 'skb->nh.raw - skb->data' sequence.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1d019195a391..c7a70933c759 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -952,7 +952,7 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb)
          * frame (skb->data) and the start of the IP hdr.
          * l4os is the distance between the start of the
          * l3 hdr and the l4 hdr */
-        fcb->l3os = (u16)(skb->nh.raw - skb->data - GMAC_FCB_LEN);
+        fcb->l3os = (u16)(skb_network_offset(skb) - GMAC_FCB_LEN);
         fcb->l4os = (u16)(skb->h.raw - skb->nh.raw);
 
         fcb->flags = flags;