linux-kernel - Re: [PATCH] usb: gadget: bcm63xx_udc:remove useless variable definition

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Date:   Tue, 24 Mar 2020 11:35:35 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Tang Bin <tangbin@...s.chinamobile.com>, cernekee@...il.com,
        balbi@...nel.org
Cc:     gregkh@...uxfoundation.org, f.fainelli@...il.com,
        bcm-kernel-feedback-list@...adcom.com, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: gadget: bcm63xx_udc:remove useless variable
 definition

Hello!

On 24.03.2020 9:29, Tang Bin wrote:

> In this function, the variable 'rc' is assigned after this place,
> so the definition is invalid.

    What definition? Did you mean assignment?

> Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
> ---
>   drivers/usb/gadget/udc/bcm63xx_udc.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
> index 54501814d..a7afa8c35 100644
> --- a/drivers/usb/gadget/udc/bcm63xx_udc.c
> +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
> @@ -2321,8 +2321,6 @@ static int bcm63xx_udc_probe(struct platform_device *pdev)
>   	if (rc)
>   		return rc;
>   
> -	rc = -ENXIO;
> -
>   	/* IRQ resource #0: control interrupt (VBUS, speed, etc.) */
>   	irq = platform_get_irq(pdev, 0);
>   	if (irq < 0)

MBR, Sergei