From owner-svn-src-all@FreeBSD.ORG  Thu May  8 20:54:21 2014
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 201F17AB;
 Thu,  8 May 2014 20:54:21 +0000 (UTC)
Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 9B668275;
 Thu,  8 May 2014 20:54:20 +0000 (UTC)
Received: from cell.glebius.int.ru (localhost [127.0.0.1])
 by cell.glebius.int.ru (8.14.8/8.14.8) with ESMTP id s48KsHZO050845
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Fri, 9 May 2014 00:54:17 +0400 (MSK)
 (envelope-from glebius@FreeBSD.org)
Received: (from glebius@localhost)
 by cell.glebius.int.ru (8.14.8/8.14.8/Submit) id s48KsHk5050844;
 Fri, 9 May 2014 00:54:17 +0400 (MSK)
 (envelope-from glebius@FreeBSD.org)
X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to
 glebius@FreeBSD.org using -f
Date: Fri, 9 May 2014 00:54:17 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Michael Tuexen <tuexen@freebsd.org>
Subject: Re: svn commit: r265691 - head/sys/netinet
Message-ID: <20140508205417.GA50679@FreeBSD.org>
References: <201405081727.s48HRkiT056077@svn.freebsd.org>
 <20140508202310.GC50446@FreeBSD.org>
 <B5B2D8C4-2C8E-468D-8F61-61505E9CA0C0@freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <B5B2D8C4-2C8E-468D-8F61-61505E9CA0C0@freebsd.org>
User-Agent: Mutt/1.5.23 (2014-03-12)
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 08 May 2014 20:54:21 -0000

On Thu, May 08, 2014 at 10:50:28PM +0200, Michael Tuexen wrote:
M> > If "this should not happen" really means that we do not expect this issue
M> > at all, assuming we are coding correctly, then all these comments and printfs
M> > should be converted to KASSERTs.
M> I tried to keep the style of the code...
M> However, if the first one occurs, we are setting up a packet and have it too
M> short to contain the checksum. This would really be bug in our code... So a KASSERT is fine.
M> A KASSERT for the second case is also fine.
M> The only difference between the above and the KASSERT version is that
M> in case of problems the above just sends packets with wrong checksums
M> and the KASSERT version will panic (when compiled with INVARIANTS) or
M> panic (in case of m == NULL) or corrupt a byte. However, I also prefer
M> the KASSERT version, it will help to get the code right...
M> So I committed a change in
M> http://svnweb.freebsd.org/changeset/base/265713
M> 
M> Thanks for your suggestion!

Thanks a lot, Michael!

-- 
Totus tuus, Glebius.