linux-kernel - Re: [PATCH] staging: r8188eu: Prefer kcalloc over kzalloc

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Message-ID: <81feafc6-d070-e551-6f85-73073238b511@gmail.com>
Date:   Sat, 17 Dec 2022 10:35:56 +0100
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Kang Minchul <tegongkang@...il.com>,
        Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>
Cc:     Pavel Skripkin <paskripkin@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: Prefer kcalloc over kzalloc

On 12/16/22 23:39, Kang Minchul wrote:
> Fixed following checkpatch.pl warning:
>   * WARNING: Prefer kcalloc over kzalloc with multiply
> 
> Instead of specifying (number of bytes) * (size) as arugment
> in kzalloc, prefer kcalloc.
> 
> Signed-off-by: Kang Minchul <tegongkang@...il.com>
> ---
>   drivers/staging/r8188eu/core/rtw_xmit.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
> index 34494f08c0cd..36ce1e3f9c81 100644
> --- a/drivers/staging/r8188eu/core/rtw_xmit.c
> +++ b/drivers/staging/r8188eu/core/rtw_xmit.c
> @@ -1564,7 +1564,7 @@ int rtw_alloc_hwxmits(struct adapter *padapter)
>   
>   	pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
>   
> -	pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
> +	pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL);
>   	if (!pxmitpriv->hwxmits)
>   		return -ENOMEM;
>   

Tested-by: Philipp Hortmann <philipp.g.hortmann@...il.com> # Edimax N150