linux-kernel - Re: [PATCH 07/10] staging: ozwpan: Make oz_hcd_pd

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Message-ID: <520A6E5B.3020303@cogentembedded.com>
Date:	Tue, 13 Aug 2013 21:35:23 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Rupesh Gujare <rupesh.gujare@...el.com>
CC:	devel@...uxdriverproject.org, dan.carpenter@...cle.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org
Subject: Re: [PATCH 07/10] staging: ozwpan: Make oz_hcd_pd_departed() take
 a struct pointer.

Hello.

On 08/13/2013 09:29 PM, Rupesh Gujare wrote:

> oz_hcd_pd_departed() takes struct oz_port pointer instead of
> void *, change function declaration to avoid ambiguity.

> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Rupesh Gujare <rupesh.gujare@...el.com>
> ---
>   drivers/staging/ozwpan/ozhcd.c |    4 ++--
>   drivers/staging/ozwpan/ozhcd.h |    2 +-
>   2 files changed, 3 insertions(+), 3 deletions(-)

> diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c
> index 73d80f2..ed3ffeb 100644
> --- a/drivers/staging/ozwpan/ozhcd.c
> +++ b/drivers/staging/ozwpan/ozhcd.c
> @@ -720,9 +720,9 @@ out:
>    * polled. We release the reference we hold on the PD.
>    * Context: softirq
>    */
> -void oz_hcd_pd_departed(void *hport)
> +void oz_hcd_pd_departed(struct oz_port *hport)
>   {
> -	struct oz_port *port = (struct oz_port *)hport;
> +	struct oz_port *port = hport;

    Do you really need a copy? Isn't it better to rename the parameter and 
remove this line altogether?

WBR, Sergei

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