linux-kernel - Re: [PATCH 5/5 v2] netfilter: Fix format string of nfnetlink

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Message-ID: <20150409184342.4c3737a5@gandalf.local.home>
Date:	Thu, 9 Apr 2015 18:43:42 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Richard Weinberger <richard@....at>, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, coreteam@...filter.org,
	netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
	sameo@...ux.intel.com, aloisio.almeida@...nbossa.org,
	lauro.venancio@...nbossa.org, davem@...emloft.net,
	kadlec@...ckhole.kfki.hu, kaber@...sh.net, pablo@...filter.org
Subject: Re: [PATCH 5/5 v2] netfilter: Fix format string of nfnetlink_log
 proc file

On Thu, 09 Apr 2015 15:39:37 -0700
Joe Perches <joe@...ches.com> wrote:

> And Steven,
> 
> commit e71456ae9871
> ("netfilter: Remove checks of seq_printf() return values")
> mistakenly converted this to use seq_has_overflowed()
> 
> Ideally all seq_show functions would be converted from
> 
> int foo_seq_show(...)
> {
> 	seq_printf(s, ...);
> 	return seq_has_overflowed(s);
> }
> 
> to
> 
> int foo_seq_show(...)
> {
> 	seq_printf(s, ...);
> 	return 0;
> }
> 
> I made that mistake in a patch and corrected it later.
> 
> Here's a suggested -next patch:
> 
> Perhaps it shouldn't be submitted now as it may conflict
> with what Richard might submit if he propses an equivalent
> patch to above for -next.
> 
> There is an appropriate use of return seq_has_overflowed in: 
> 
> net/netfilter/xt_hashlimit.c:825:       return seq_has_overflowed(s);
> 
> That's not a seq_show function, it's a helper for one.

I have other things to work on, so feel free to fix it up among
yourselves.

-- Steve

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