linux-kernel - Re: [PATCH 2/2] crypto: omap: Improve a size determination in three functions

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Message-ID: <3916c49d-f74a-97a0-9240-de9a727bece9@users.sourceforge.net>
Date:   Fri, 23 Feb 2018 08:32:05 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Joel Fernandes <joelf@...com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] crypto: omap: Improve a size determination in three
 functions

>> @@ -1032,14 +1032,13 @@ static int omap_aes_get_res_pdev(struct omap_aes_dev *dd,
>>  static int omap_aes_probe(struct platform_device *pdev)
>>  {
>>  	struct device *dev = &pdev->dev;
>> -	struct omap_aes_dev *dd;
>>  	struct crypto_alg *algp;
>>  	struct aead_alg *aalg;
>>  	struct resource res;
>>  	int err = -ENOMEM, i, j, irq = -1;
>>  	u32 reg;
>> +	struct omap_aes_dev *dd = devm_kzalloc(dev, sizeof(*dd), GFP_KERNEL);
>>  
>> -	dd = devm_kzalloc(dev, sizeof(struct omap_aes_dev), GFP_KERNEL);
> 
> I'm fine with sizeof(*dd)

Thanks for your feedback.


> but please don't combine the allocation with the declaration.

Why do you not like such an implementation detail?

Regards,
Markus