skbuff: Copy csum instead of csum_start/csum_offset

Hi:

skbuff: Copy csum instead of csum_start/csum_offset

It's easier to copy the u32 csum instead of its two u16
constituents.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Cheers,
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e47afb20b894..47fbbb8827d9 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -526,8 +526,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
         new->sp                 = secpath_get(old->sp);
 #endif
         memcpy(new->cb, old->cb, sizeof(old->cb));
-        new->csum_start         = old->csum_start;
-        new->csum_offset        = old->csum_offset;
+        new->csum               = old->csum;
         new->local_df           = old->local_df;
         new->pkt_type           = old->pkt_type;
         new->ip_summed          = old->ip_summed;