linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Joel Becker <jlbec@evilplan.org>, Christoph Hellwig <hch@lst.de>,
	linux-kernel@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: Re: [PATCH 09/12] samples: configfs: prefer sizeof(*var) to sizeof(struct var_type)
Date: Wed, 7 Oct 2020 15:46:14 +0200	[thread overview]
Message-ID: <20201007134614.GC764@lst.de> (raw)
In-Reply-To: <20200924124526.17365-10-brgl@bgdev.pl>

On Thu, Sep 24, 2020 at 02:45:23PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> It's better to use the size of the actual variable than its type when
> allocating memory. This also has the benefit of avoiding a line break
> here.

Either style has up an downside.  The variable based on tracks type
changes automatically, but on the other hand leads to lots of bugs
where people forget the *.  I'd rather not just change from one to
the other pointlessly.

  reply	other threads:[~2020-10-07 13:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 12:45 [PATCH 00/12] samples: configfs: refactor the configfs sample code Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 01/12] MAINTAINERS: add the sample directory to the configfs entry Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 02/12] samples: configfs: order includes alphabetically Bartosz Golaszewski
2020-10-07 13:43   ` Christoph Hellwig
2020-10-08 13:23     ` Bartosz Golaszewski
2020-10-08 14:05       ` Christoph Hellwig
2020-09-24 12:45 ` [PATCH 03/12] samples: configfs: remove redundant newlines Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 04/12] samples: configfs: drop unnecessary ternary operators Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 05/12] samples: configfs: improve alignment of broken lines Bartosz Golaszewski
2020-10-07 13:44   ` Christoph Hellwig
2020-09-24 12:45 ` [PATCH 06/12] samples: configfs: fix alignment in item struct Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 07/12] samples: configfs: replace simple_strtoul() with kstrtoint() Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 08/12] samples: configfs: don't reinitialize variables which are already zeroed Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 09/12] samples: configfs: prefer sizeof(*var) to sizeof(struct var_type) Bartosz Golaszewski
2020-10-07 13:46   ` Christoph Hellwig [this message]
2020-09-24 12:45 ` [PATCH 10/12] samples: configfs: consolidate local variables of the same type Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 11/12] samples: configfs: don't use spaces before tabs Bartosz Golaszewski
2020-09-24 12:45 ` [PATCH 12/12] samples: configfs: prefer pr_err() over bare printk(KERN_ERR Bartosz Golaszewski
2020-10-06 10:40 ` [PATCH 00/12] samples: configfs: refactor the configfs sample code Bartosz Golaszewski
2020-10-07 13:46   ` Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201007134614.GC764@lst.de \
    --to=hch@lst.de \
    --cc=bgolaszewski@baylibre.com \
    --cc=brgl@bgdev.pl \
    --cc=jlbec@evilplan.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).