[SK_BUFF]: Introduce skb_transport_offset()

[deliverable/linux.git] / drivers / net / cassini.c

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 68e37a655fe2ee61ebd821508488aa2c33632641..bd3ab6493e393cad862e1b1da34c3d9b8b13e0ab 100644 (file)
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -2821,10 +2821,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
 
        ctrl = 0;
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
-               u64 csum_start_off, csum_stuff_off;
-
-               csum_start_off = (u64) (skb->h.raw - skb->data);
-               csum_stuff_off = csum_start_off + skb->csum_offset;
+               const u64 csum_start_off = skb_transport_offset(skb);
+               const u64 csum_stuff_off = csum_start_off + skb->csum_offset;
 
                ctrl =  TX_DESC_CSUM_EN |
                        CAS_BASE(TX_DESC_CSUM_START, csum_start_off) |