Re: [PATCH nft] meta: permit meta nfproto ip in ip family

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On Mon, May 29, 2017 at 07:25:37PM +0200, Florian Westphal wrote:
> works:
> add rule ip filter input ct original saddr 1.2.3.4
> (family ctx init initialises network base to proto_ip).
> 
> fails to parse 1.2.3.4 address:
> add rule ip filter input meta nfproto ipv4 ct original saddr 1.2.3.4
> 
> ... because meta_expr_pctx_update() won't find a dependency
> from "ip" to "ip" and then overwrites the correct base with proto_unknown.
> 
> "meta nfproto ip" is useless in the ip family, as it will always match,
> i.e.  a better (but more compliated) fix would be to remove the statement
> during evaluation.
> 
> Signed-off-by: Florian Westphal <fw@xxxxxxxxx>

Acked-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
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