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Date: Tue, 19 Feb 2013 02:50:15 +0100
From: Pablo Neira Ayuso <pablo@...filter.org>
To: Joe Perches <joe@...ches.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net,
netfilter-devel@...r.kernel.org
Subject: Re: [PATCH 7/7] netfilter: nf_ct_helper: better logging for dropped
packets
On Mon, Feb 18, 2013 at 05:33:14PM -0800, Joe Perches wrote:
> On Tue, 2013-02-19 at 02:11 +0100, Pablo Neira Ayuso wrote:
> > On Mon, Feb 18, 2013 at 04:22:02PM -0800, Joe Perches wrote:
> > > On Tue, 2013-02-19 at 01:10 +0100, pablo@...filter.org wrote:
> > > > This patch modifies the existing code to provide more specific
> > > > error message in the scope of each helper to help users to debug
> > > > the reason why the packet has been dropped, ie:
> > > []
> > > > diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
> > > []
> > > > @@ -100,6 +100,9 @@ struct nf_ct_helper_expectfn {
> > > > void (*expectfn)(struct nf_conn *ct, struct nf_conntrack_expect *exp);
> > > > };
> > > >
> > > > +extern void nf_ct_helper_log(struct sk_buff *skb, const struct nf_conn *,
> > > > + const char *fmt, ...);
> > >
> > > this should be declared
> > >
> > > __printf(3, 4)
> > > void nf_ct_helper_log(etc...)
> >
> > Fixed, thanks.
>
> Well, not really.
>
> The new prototype is:
>
> +extern __printf(3,4) void nf_ct_helper_log(struct sk_buff *skb,
> + const struct nf_conn *,
> + const char *fmt, ...);
> +
>
> The extern isn't necessary.
> The second arg doesn't have a name.
> The printf args could use a space between them.
>
> I think this should be
>
> __printf(3, 4)
> void nf_ct_helper_log(struct sk_buff *skb, const struct nf_conn *ct,
> const char *fmt, ...);
>
> without the extern to be more like the prototypes that follow
> it in that file.
Done, thanks.
View attachment "0007-netfilter-nf_ct_helper-better-logging-for-dropped-pa.patch" of type "text/x-diff" (25055 bytes)
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