linux-kernel - Re: [PATCH 2/2] usb: cdns3: Variable ‘length’ set but not used

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Message-ID: <8994106d-2cc5-fa2c-bbcc-6526632ff80b@ti.com>
Date:   Wed, 7 Oct 2020 11:15:01 +0300
From:   Roger Quadros <rogerq@...com>
To:     Pawel Laszczak <pawell@...ence.com>, <balbi@...nel.org>
CC:     <peter.chen@....com>, <nsekhar@...com>,
        <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kurahul@...ence.com>
Subject: Re: [PATCH 2/2] usb: cdns3: Variable ‘length’ set but not used



On 07/10/2020 06:39, Pawel Laszczak wrote:
> Patch removes not used variable 'length' from
> cdns3_wa2_descmiss_copy_data function.
> 
> Signed-off-by: Pawel Laszczak <pawell@...ence.com>

Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")

Acked-by: Roger Quadros <rogerq@...com>

> ---
>   drivers/usb/cdns3/gadget.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
> index 6e7b70a2e352..692acf7b9b14 100644
> --- a/drivers/usb/cdns3/gadget.c
> +++ b/drivers/usb/cdns3/gadget.c
> @@ -506,7 +506,6 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
>   
>   	while (!list_empty(&priv_ep->wa2_descmiss_req_list)) {
>   		int chunk_end;
> -		int length;
>   
>   		descmiss_priv_req =
>   			cdns3_next_priv_request(&priv_ep->wa2_descmiss_req_list);
> @@ -517,7 +516,6 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
>   			break;
>   
>   		chunk_end = descmiss_priv_req->flags & REQUEST_INTERNAL_CH;
> -		length = request->actual + descmiss_req->actual;
>   		request->status = descmiss_req->status;
>   		__cdns3_descmiss_copy_data(request, descmiss_req);
>   		list_del_init(&descmiss_priv_req->list);
> 

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