Re: [PATCH nf-next] netfilter: Configuration fixes for ip/nftables socket matching

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On Wed, Jun 27, 2018 at 11:58:29PM +0200, Florian Westphal wrote:
> Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> > On Mon, Jun 18, 2018 at 03:12:51PM +0200, Máté Eckl wrote:
> > > - NFT_SOCKET selected NF_SOCKET based on the wrong criterion.
> > >   IPV6 itself does not guarantee that ipv6 functionality is available in nft.
> > > - NETFILTER_XT_MATCH_SOCKET now selects NF_SOCKET
> > >   NF_SOCKET is not good for anything alone, so dependency is inapproproiate.

Probably we can remove NF_SOCKET description too, so this is not
shown. I mean, now that we'll go for "select".

> > > Signed-off-by: Máté Eckl <ecklm94@xxxxxxxxx>
> > > ---
> > >  net/netfilter/Kconfig | 6 +++---
> > >  1 file changed, 3 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
> > > index dbd7d1fad277..8abcefb8b418 100644
> > > --- a/net/netfilter/Kconfig
> > > +++ b/net/netfilter/Kconfig
> > > @@ -626,7 +626,7 @@ config NFT_SOCKET
> > >  	tristate "Netfilter nf_tables socket match support"
> > >  	depends on IPV6 || IPV6=n
> > >  	select NF_SOCKET_IPV4
> > > -	select NF_SOCKET_IPV6 if IPV6
> > > +	select NF_SOCKET_IPV6 if NF_TABLES_IPV6
> > 
> > Are you sure this is needed? I mean, I can see other spots in
> > net/netfilter/Kconfig following the same approach.
> 
> Its not needed but its a good idea.
> No point in autoselecting NF_SOCKET_IPV6 in case there is no ipv6
> nftables support.

Thanks for explaining.

Then, we can probably switch other "if IPV6" dependencies in the
Kconfig file I think, in a single patch.

Probably this can be done in two separated patches?
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