Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756313AbcJGHyr (ORCPT ); Fri, 7 Oct 2016 03:54:47 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:35520 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752621AbcJGHyi (ORCPT ); Fri, 7 Oct 2016 03:54:38 -0400 Date: Fri, 7 Oct 2016 10:53:45 +0300 From: Dan Carpenter To: Richard Weinberger Cc: SF Markus Elfring , "linux-raid@vger.kernel.org" , Christoph Hellwig , Guoqing Jiang , Jens Axboe , Mike Christie , Neil Brown , Shaohua Li , Tomasz Majchrzak , LKML , "kernel-janitors@vger.kernel.org" , Julia Lawall Subject: Re: [PATCH 24/54] md/raid1: Improve another size determination in setup_conf() Message-ID: <20161007075345.GB6039@mwanda> References: <566ABCD9.1060404@users.sourceforge.net> <786843ef-4b6f-eb04-7326-2f6f5b408826@users.sourceforge.net> <9831fce9-d689-89e4-dec8-50cadcd13fdd@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 916 Lines: 21 On Thu, Oct 06, 2016 at 11:29:20AM +0200, Richard Weinberger wrote: > On Thu, Oct 6, 2016 at 11:22 AM, SF Markus Elfring > wrote: > > From: Markus Elfring > > Date: Tue, 4 Oct 2016 21:46:18 +0200 > > > > Replace the specification of a data structure by a pointer dereference > > as the parameter for the operator "sizeof" to make the corresponding size > > determination a bit safer. > > Isn't this pure matter of taste? > Some developers prefer sizeof(*ptr) because it is easier to type, other > developers prefer sizeof(struct foo) because you can determine the type > at first sight and makes review more easy. sizeof(*ptr) is more future proof and normally more obvious and easier to review. That said, I've tried to tell Markus to only send bugfix patches because these are a waste of time and regularly introduce bugs. regards, dan carpenter