linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Len Baker <len.baker@gmx.com>
To: Kees Cook <keescook@chromium.org>
Cc: Len Baker <len.baker@gmx.com>, Saeed Mahameed <saeedm@nvidia.com>,
	Leon Romanovsky <leon@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Yevgeny Kliteynik <kliteyn@nvidia.com>,
	Alex Vesker <valex@nvidia.com>, Erez Shitrit <erezsh@nvidia.com>,
	Jianbo Liu <jianbol@nvidia.com>,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net/mlx5: DR, Prefer kcalloc over open coded arithmetic
Date: Sat, 25 Sep 2021 09:28:56 +0200	[thread overview]
Message-ID: <20210925072856.GA1660@titan> (raw)
In-Reply-To: <202109202105.9E901893@keescook>

Hi,

On Mon, Sep 20, 2021 at 09:06:35PM -0700, Kees Cook wrote:
> >
> > -	ref_actions = kzalloc(sizeof(*ref_actions) * num_of_dests * 2, GFP_KERNEL);
> > +	if (unlikely(check_mul_overflow(num_of_dests, 2u, &ref_act_cnt)))
> > +		goto free_hw_dests;
> > +
> > +	ref_actions = kcalloc(ref_act_cnt, sizeof(*ref_actions), GFP_KERNEL);
>
> In the future, consider array3_size(), but this is fine too. :)

Ok, thanks for the advise.

Regards,
Len

      reply	other threads:[~2021-09-25  7:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-05  7:49 Len Baker
2021-09-20 21:19 ` Saeed Mahameed
2021-09-21  4:06 ` Kees Cook
2021-09-25  7:28   ` Len Baker [this message]

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=20210925072856.GA1660@titan \
    --to=len.baker@gmx.com \
    --cc=davem@davemloft.net \
    --cc=erezsh@nvidia.com \
    --cc=jianbol@nvidia.com \
    --cc=keescook@chromium.org \
    --cc=kliteyn@nvidia.com \
    --cc=kuba@kernel.org \
    --cc=leon@kernel.org \
    --cc=linux-hardening@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=saeedm@nvidia.com \
    --cc=valex@nvidia.com \
    --subject='Re: [PATCH] net/mlx5: DR, Prefer kcalloc over open coded arithmetic' \
    /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

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).