On 2023-03-28, at 17:27:21 +0200, Florian Westphal wrote:
> Jeremy Sowden <jeremy@azazel.net> wrote:
> > Iptables supports the matching of DCCP packets based on the presence
> > or absence of DCCP options.  Extend exthdr expressions to add this
> > functionality to nftables.
> > 
> > Link: https://bugzilla.netfilter.org/show_bug.cgi?id=930
> > Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
> 
> LGTM, thanks.

Cool.  I've just spotted a data-type ref-count bug.  In `dccp_init_raw`:

  expr->dtype = &boolean_type;

should be:

  datatype_set(expr, &boolean_type);

I'll send a new version with that fixed.

I think there are a few more instances of this sort, so I'll send a
follow-up patch for those.

J.