net: Fix drivers advertising HW_CSUM feature to use csum_start

Some drivers are using skb_transport_offset(skb) instead of skb->csum_start
for NETIF_F_HW_CSUM offload.  This does not matter now, but if someone
implements checksumming of encapsulated packets then this will break silently.

TSO output paths are left as they are, since they are for IP+TCP only
(might be worth converting though).

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 8c1404b58382..50815fb963fe 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2764,7 +2764,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
         td->dma_hi = map >> 32;
 
         if (skb->ip_summed == CHECKSUM_PARTIAL) {
-                const int offset = skb_transport_offset(skb);
+                const int offset = skb_checksum_start_offset(skb);
 
                 /* This seems backwards, but it is what the sk98lin
                  * does.  Looks like hardware is wrong?