From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [PATCH 02/10] netfilter: ebtables: avoid explicit XT_ALIGN() in match/targets Date: Mon, 15 Feb 2010 18:40:44 +0100 Message-ID: <4B79871C.5000609@trash.net> References: <1265897559-10610-1-git-send-email-fw@strlen.de> <1265897559-10610-3-git-send-email-fw@strlen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: netfilter-devel@vger.kernel.org, Florian Westphal To: Florian Westphal Return-path: Received: from stinky.trash.net ([213.144.137.162]:65349 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755758Ab0BORkr (ORCPT ); Mon, 15 Feb 2010 12:40:47 -0500 In-Reply-To: <1265897559-10610-3-git-send-email-fw@strlen.de> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Florian Westphal wrote: > From: Florian Westphal > > This will cause trouble once CONFIG_COMPAT support is added > to ebtables. > xt_compat_*_offset() calculate the kernel/userland structure size delta > using: > > XT_ALIGN(size) - COMPAT_XT_ALIGN(size) > > If the match/target sizes are aligned at registration time, > delta is always zero. > > Should have zero effect for existing systems: xtables uses > XT_ALIGN() whenever it deals with match/target sizes. Applied, thanks.