Re: [PATCH] tcp: fix setting csum_start in tcp_gso_segment

[Eric Dumazet]

On Tue, 2014-06-24 at 21:03 -0700, Tom Herbert wrote:

> 
> It looks like a likely culprit is that SKB_GSO_CB()->csum_start is
> not set correctly when doing non-scatter gather. We are using
> offset as opposed to doffset.
> 
> Reported-by: Dave Jones <davej@xxxxxxxxxx>
> Signed-off-by: Tom Herbert <therbert@xxxxxxxxxx>
> ---
>  net/core/skbuff.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/core/skbuff.c b/net/core/skbuff.c
> index 9cd5344..c1a3303 100644
> --- a/net/core/skbuff.c
> +++ b/net/core/skbuff.c
> @@ -2993,7 +2993,7 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
>  							    skb_put(nskb, len),
>  							    len, 0);
>  			SKB_GSO_CB(nskb)->csum_start =
> -			    skb_headroom(nskb) + offset;
> +			    skb_headroom(nskb) + doffset;
>  			continue;
>  		}
>  

Yes, seems an obvious typo, but please change patch title.

This is not "tcp: fix setting csum_start in tcp_gso_segment"

Maybe "net: fix setting csum_start in skb_segment()"


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