From: Paolo Bonzini <pbonzini@redhat.com>
To: wharms@bfs.de
Cc: SF Markus Elfring <elfring@users.sourceforge.net>,
sparclinux@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org,
Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH 1/2] sparc: Use kmalloc_array() in three functions
Date: Mon, 29 Aug 2016 18:38:53 +0200 [thread overview]
Message-ID: <e7217d5e-44e6-a6fa-33a1-e3c85f0c36bc@redhat.com> (raw)
In-Reply-To: <57C42335.5000106@bfs.de>
On 29/08/2016 13:57, walter harms wrote:
> > > - buf = kmalloc(sizeof(char) * (count + 1), GFP_KERNEL);
> > > + buf = kmalloc_array(count + 1, sizeof(*buf), GFP_KERNEL);
> > > if (!buf)
> > > return -ENOMEM;
> > >
> >
> > Here it's probably best to just remove sizeof(char) completely, as it's
> > 1 by definition.
>
> I would not do so, if you ever change buf to something else it would break,
> having a sizeof(*buf) here is harmless and a known pattern.
Fair enough, it's not code I maintain.
Paolo
next prev parent reply other threads:[~2016-08-29 16:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-25 8:20 [PATCH 0/2] sparc: Fine-tuning for three function implementations SF Markus Elfring
2016-08-25 8:22 ` [PATCH 1/2] sparc: Use kmalloc_array() in three functions SF Markus Elfring
2016-08-29 9:47 ` Paolo Bonzini
2016-08-29 10:36 ` SF Markus Elfring
2016-08-29 11:57 ` walter harms
2016-08-29 16:38 ` Paolo Bonzini [this message]
2016-08-25 8:24 ` [PATCH 2/2] sparc: Delete an unnecessary initialisation in led_proc_write() SF Markus Elfring
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=e7217d5e-44e6-a6fa-33a1-e3c85f0c36bc@redhat.com \
--to=pbonzini@redhat.com \
--cc=davem@davemloft.net \
--cc=elfring@users.sourceforge.net \
--cc=julia.lawall@lip6.fr \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sparclinux@vger.kernel.org \
--cc=wharms@bfs.de \
/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
Powered by JetHome