Re: [PATCH 0/2] constify nf_hook_ops structures

From: Julia Lawall
Date: Sat Jul 29 2017 - 05:21:56 EST




On Sat, 29 Jul 2017, Florian Westphal wrote:

> Julia Lawall <julia.lawall@xxxxxxx> wrote:
> >
> >
> > On Sat, 29 Jul 2017, Florian Westphal wrote:
> >
> > > Julia Lawall <Julia.Lawall@xxxxxxx> wrote:
> > > > The nf_hook_ops structure is only passed as the second argument to
> > > > nf_register_net_hook or nf_unregister_net_hook, both of which are
> > > > declared as const. Thus the nf_hook_ops structure itself can be
> > > > const.
> > >
> > > Right, also see
> > > http://patchwork.ozlabs.org/patch/793767/
> > >
> > > This series misses most of them (all arrays perhaps)?
> >
> > Yes, my rule doesn't look for arrays. I guess they are all done already
> > anyway?
>
> I think so (the patch is not yet applied though).

OK, just drop my patch then.

>
> From a quick glance I don't see why we can't e.g. constify
> nf_conntrack_l3/4_proto too. It is not going to be as simple
> as just placing const everywhere, but I see no requirement for
> having these writeable.

I will take a look.

thanks,
julia

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