1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index db2e1a6b7231..4bb89dec5650 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -1028,10 +1028,8 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         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 = (TXDCTRL_CENAB |
                         (csum_start_off << 15) |