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From: Patrick McHardy <kaber@trash.net>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH V2] NETFILTER: replace list_for_each with list_for_each_entry
Date: Wed, 14 Nov 2007 09:37:35 +0100	[thread overview]
Message-ID: <473AB3CF.6010100@trash.net> (raw)
In-Reply-To: <473AA156.9080600@cn.fujitsu.com>

Li Zefan wrote:
> This patch replaces list_for_each with list_for_each_entry, and
> consequently fixes a bug too.
> 
> Things like this is wrong:
> 
> 	list_for_each(i, &nf_sockopts) {
> 		struct nf_sockopt_ops *ops = (struct nf_sockopt_ops *)i;
> 
> It makes the assumption that list is the first member of struct
> nf_sockopt_ops, so the ptr casting works. But if one day the structure
> changes, for example, like this:

So far its not a bug, so I've applied it without that description.
Thanks.

>  net/netfilter/nf_sockopt.c         |   13 ++++---------

And removed that part since you're the third person within two
weeks to send an identical patch :) Please always base your
patches on Linus' latest -git tree or Dave's networking tree
for the next version once it opens.


  reply	other threads:[~2007-11-14  8:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-14  2:59 [PATCH] NETFILTER: replace list_for_each with list_for_each_entry Li Zefan
2007-11-14  6:48 ` Li Zefan
2007-11-14  7:18   ` [PATCH V2] " Li Zefan
2007-11-14  8:37     ` Patrick McHardy [this message]
2007-11-14  8:58       ` Li Zefan

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