linux-kernel - Re: [PATCH 3/4] usb: host: ehci.h: remove duplicated return

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Date:	Wed, 9 Dec 2015 23:10:03 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	"Geyslan G. Bem" <geyslan@...il.com>, peter.senna@...il.com
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] usb: host: ehci.h: remove duplicated return

Hello.

On 12/09/2015 10:57 PM, Geyslan G. Bem wrote:

> This patch removes the return of the default switch case, since
> 'ehci_port_speed()' already has the same default return.
>
> Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
> ---
>   drivers/usb/host/ehci.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
> index 0daed80..49b91b6 100644
> --- a/drivers/usb/host/ehci.h
> +++ b/drivers/usb/host/ehci.h
> @@ -664,8 +664,8 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
>   		case 1:
>   			return USB_PORT_STAT_LOW_SPEED;
>   		case 2:
> +		/* fall through to default function return */

    We just don't need the above *case*.

>   		default:
> -			return USB_PORT_STAT_HIGH_SPEED;

    And n ow we don't need *dafault* too.

>   		}
>   	}
>   	return USB_PORT_STAT_HIGH_SPEED;

MBR, Sergei

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