linux-kernel - Re: [PATCH] drivers: mfd: sec-code: Fix sizeof argument

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Date:	Fri, 17 May 2013 10:58:20 -0700
From:	Joe Perches <joe@...ches.com>
To:	Leon Romanovsky <leon@...n.nu>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>, sbkim73@...sung.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: mfd: sec-code: Fix sizeof argument

On Fri, 2013-05-17 at 20:50 +0300, Leon Romanovsky wrote:
> On Fri, May 17, 2013 at 1:13 AM, Samuel Ortiz <sameo@...ux.intel.com> wrote:
> > On Wed, May 15, 2013 at 01:53:56PM +0300, Leon Romanovsky wrote:
> >> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
[]
> >> @@ -121,7 +121,7 @@ static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
[]
> >> -     pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
> >> +     pd = devm_kzalloc(dev, sizeof(struct sec_platform_data), GFP_KERNEL);
> > How is that fixing anything ?
> Technically you are right, this fix brings code to be align to common
> code convention and allows to automatic tools  correctly parse it.

Not really.
Common coding convention is actually the original code.

from: Documentation/CodingStyle:

		Chapter 14: Allocating memory
[]
The preferred form for passing a size of a struct is the following:

	p = kmalloc(sizeof(*p), ...);


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