linux-kernel - Re: [PATCH-next] staging: rtl8188eu: Remove unneeded cast

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Date:   Tue, 20 Feb 2018 12:15:42 -0600
From:   Larry Finger <Larry.Finger@...inger.net>
To:     Christopher Diaz Riveros <chrisadr@...too.org>,
        gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        devel@...verdev.osuosl.org
Subject: Re: [PATCH-next] staging: rtl8188eu: Remove unneeded cast

On 02/20/2018 10:37 AM, Christopher Diaz Riveros wrote:
> Fix Coccinelle alert:
> 
> drivers/staging//rtl8188eu/os_dep/usb_intf.c:336:13-27: WARNING: casting value returned by memory allocation function to (struct adapter *) is useless.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Christopher Diaz Riveros <chrisadr@...too.org>

Acked-by: Larry Finger <Larry.Finger@...inger.net>


> ---
>   drivers/staging/rtl8188eu/os_dep/usb_intf.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
> index 32c7225a831e..127ecf896fc9 100644
> --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
> +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
> @@ -333,7 +333,7 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
>   	struct net_device *pmondev;
>   	int status = _FAIL;
>   
> -	padapter = (struct adapter *)vzalloc(sizeof(*padapter));
> +	padapter = vzalloc(sizeof(*padapter));
>   	if (padapter == NULL)
>   		goto exit;
>   	padapter->dvobj = dvobj;
>