Re: pskb change in dst->output

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

On Wed, Jul 07, 2004 at 10:58:21AM -0400, James Morris wrote:
> 
> >  All of the dst->output functions already assumed that they have
> > exclusive access to the skb. This is justified because all callers to
> > dst_output() makes sure that the packet is neither shared nor cloned.
> 
> Cloned skbs are regularly passed to dst_output(), thus we need to use the 
> double pointer for skb_checksum_help() in case the skb is replaced.

OK.  Can you please tell me which caller of dst_output() passes
a cloned skb to it?

I need to know this because if this is the case, we need fix the various
IPsec output functions to copy the skb.

Cheers,
-- 
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