netdev - Re: [PATCH] net: ipv4: add IPPROTO

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Message-ID: <20110414015310.GC5167@verge.net.au>
Date:	Thu, 14 Apr 2011 09:53:11 +0800
From:	Simon Horman <horms@...ge.net.au>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Vasiliy Kulikov <segoon@...nwall.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Pavel Kankovsky <peak@...o.troja.mff.cuni.cz>,
	Solar Designer <solar@...nwall.com>,
	Kees Cook <kees.cook@...onical.com>,
	Dan Rosenberg <dan.j.rosenberg@...il.com>,
	Eugene Teo <eugene@...hat.com>,
	Nelson Elhage <nelhage@...lice.com>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	Pekka Savola <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH] net: ipv4: add IPPROTO_ICMP socket kind

On Wed, Apr 13, 2011 at 01:29:49PM +0300, Alexey Dobriyan wrote:
> On Sat, Apr 9, 2011 at 1:15 PM, Vasiliy Kulikov <segoon@...nwall.com> wrote:

[snip]

> > @@ -714,8 +790,22 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
> >                        &net->ipv4.sysctl_icmp_ratemask;
> >                table[6].data =
> >                        &net->ipv4.sysctl_rt_cache_rebuild_count;
> > +#ifdef CONFIG_IP_PING
> > +               table[7].data =
> > +                       &net->ipv4.sysctl_ping_group_range;
> > +#endif
> 
> Now I understand it's not related, but next sysctl will have
> "table[8].data = ..." line which is off-by-one if CONFIG_IP_PING=n.

Another good reason for the code to be non-optoinal
and not to have CONFIG_IP_PING.
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