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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Boris Brezillon <bbrezillon@kernel.org>,
	Richard Weinberger <richard@nod.at>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: rawnand: marvell: use struct_size() in devm_kzalloc()
Date: Tue, 15 Jan 2019 18:58:04 +0100	[thread overview]
Message-ID: <20190115185804.75e482c3@xps13> (raw)
In-Reply-To: <20190104182051.GA3603@embeddedor>

Hi Gustavo,

"Gustavo A. R. Silva" <gustavo@embeddedor.com> wrote on Fri, 4 Jan 2019
12:20:51 -0600:

> One of the more common cases of allocation size calculations is finding
> the size of a structure that has a zero-sized array at the end, along
> with memory for some number of elements for that array. For example:
> 
> struct foo {
>     int stuff;
>     void *entry[];
> };
> 
> instance = devm_kzalloc(dev, sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
> 
> Instead of leaving these open-coded and prone to type mistakes, we can
> now use the new struct_size() helper:
> 
> instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL);
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---

Applied to nand/next.


Thanks,
Miquèl

  reply	other threads:[~2019-01-15 17:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-04 18:20 [PATCH] mtd: rawnand: marvell: use struct_size() in devm_kzalloc() Gustavo A. R. Silva
2019-01-15 17:58 ` Miquel Raynal [this message]
2019-01-15 18:04   ` Gustavo A. R. Silva

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