Re: skb_checksum_help() vs GSO

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On Thu, Jan 12, 2012 at 08:42:10PM +0000, Ben Hutchings wrote:
> skb_checksum_help() does:
> 
> 	if (unlikely(skb_shinfo(skb)->gso_size)) {
> 		/* Let GSO fix up the checksum. */
> 		goto out_set_summed;
> 	}
> ...
> out_set_summed:
> 	skb->ip_summed = CHECKSUM_NONE;
> out:
> 	return ret;
> 
> but skb_gso_segment() requires that skb->ip_summed == CHECKSUM_PARTIAL
> and WARNs if not.  I don't think there's any case where it's valid to
> call both.  Shouldn't skb_checksum_help() also WARN and return an error
> code instead of muddling on?

I think so.

Thanks,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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