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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Rob Jones <rob.jones@codethink.co.uk>
Cc: netfilter-devel@vger.kernel.org, linux-kernel@codethink.co.uk
Subject: Re: [PATCH] net/netfilter/x_tables.c: use __seq_open_private()
Date: Tue, 23 Sep 2014 16:02:37 +0200	[thread overview]
Message-ID: <20140923140237.GA27307@salvia> (raw)
In-Reply-To: <1411122471-20087-1-git-send-email-rob.jones@codethink.co.uk>

On Fri, Sep 19, 2014 at 11:27:51AM +0100, Rob Jones wrote:
> Reduce boilerplate code by using __seq_open_private() instead of seq_open()
> in xt_match_open() and xt_target_open().
> 
> Signed-off-by: Rob Jones <rob.jones@codethink.co.uk>
> ---
> 
> This patch uses an existing variant of seq_open() to reduce the kernel code
> size.

Less code to maintain, good.

> The only significant variation from the pre-existing code is the fact that
> __seq_open_private() calls kzalloc() rather than kmalloc(), which could
> conceivably have an impact on timing.

I think you can skip

        trav->class = MTTG_TRAV_INIT;

too, now that trav is set to zero.


  reply	other threads:[~2014-09-23 14:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-19 10:27 [PATCH] net/netfilter/x_tables.c: use __seq_open_private() Rob Jones
2014-09-23 14:02 ` Pablo Neira Ayuso [this message]
2014-09-23 15:32   ` Rob Jones
2014-09-23 15:36     ` Pablo Neira Ayuso
2014-09-23 15:38       ` Rob Jones

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