linux-kernel - Re: [PATCH] misc: Use kzalloc() instead of kmalloc() with flag GFP

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Date:   Mon, 23 Dec 2019 07:04:28 -0500
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Yi Wang <wang.yi59@....com.cn>
Cc:     sudeep.dutt@...el.com, ashutosh.dixit@...el.com, arnd@...db.de,
        vincent.whitchurch@...s.com, alexios.zavras@...el.com,
        tglx@...utronix.de, allison@...utok.net,
        linux-kernel@...r.kernel.org, xue.zhihong@....com.cn,
        up2wing@...il.com, wang.liang82@....com.cn,
        Huang Zijiang <huang.zijiang@....com.cn>
Subject: Re: [PATCH] misc: Use kzalloc() instead of kmalloc() with flag
 GFP_ZERO.

On Mon, Dec 23, 2019 at 09:51:58AM +0800, Yi Wang wrote:
> From: Huang Zijiang <huang.zijiang@....com.cn>
> 
> Use kzalloc instead of manually setting kmalloc
> with flag GFP_ZERO since kzalloc sets allocated memory
> to zero.
> 
> Signed-off-by: Huang Zijiang <huang.zijiang@....com.cn>
> Signed-off-by: Yi Wang <wang.yi59@....com.cn>
> ---
>  drivers/misc/mic/host/mic_boot.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
> index 7335759..c1f87a4 100644
> --- a/drivers/misc/mic/host/mic_boot.c
> +++ b/drivers/misc/mic/host/mic_boot.c
> @@ -137,7 +137,7 @@ static void *__mic_dma_alloc(struct device *dev, size_t size,
>      struct scif_hw_dev *scdev = dev_get_drvdata(dev);
>      struct mic_device *mdev = scdev_to_mdev(scdev);
>      dma_addr_t tmp;
> -    void *va = kmalloc(size, gfp | __GFP_ZERO);
> +void *va = kzalloc(size, gfp);

Odd indation :(

Always use checkpatch.pl on your patches to ensure you do not add new
problems.

How did this get past 2 different people???

greg k-h