From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH 24/54] md/raid1: Improve another size determination in
 setup_conf()
Date: Fri, 7 Oct 2016 10:53:45 +0300
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To: Richard Weinberger <richard.weinberger@gmail.com>
Cc: SF Markus Elfring <elfring@users.sourceforge.net>, "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>, Christoph Hellwig <hch@lst.de>, Guoqing Jiang <gqjiang@suse.com>, Jens Axboe <axboe@fb.com>, Mike Christie <mchristi@redhat.com>, Neil Brown <neilb@suse.com>, Shaohua Li <shli@kernel.org>, Tomasz Majchrzak <tomasz.majchrzak@intel.com>, LKML <linux-kernel@vger.kernel.org>, "kernel-janitors@vger.kernel.org" <kernel-janitors@vger.kernel.org>, Julia Lawall <julia.lawall@lip6.fr>
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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
> <elfring@users.sourceforge.net> wrote:
> > From: Markus Elfring <elfring@users.sourceforge.net>
> > 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