linux-kernel - Re: [PATCH] usb: storage: datafab: remove redundant assignment of variable result

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Date:   Tue, 20 Apr 2021 10:34:06 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Colin King <colin.king@...onical.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, usb-storage@...ts.one-eyed-alien.net,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: storage: datafab: remove redundant assignment of
 variable result

On Tue, Apr 20, 2021 at 12:38:18PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variable result is being assigned with a value that is
> never read, the assignment is redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---

Acked-by: Alan Stern <stern@...land.harvard.edu>

>  drivers/usb/storage/datafab.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c
> index 588818483f4b..bcc4a2fad863 100644
> --- a/drivers/usb/storage/datafab.c
> +++ b/drivers/usb/storage/datafab.c
> @@ -294,7 +294,6 @@ static int datafab_write_data(struct us_data *us,
>  		if (reply[0] != 0x50 && reply[1] != 0) {
>  			usb_stor_dbg(us, "Gah! write return code: %02x %02x\n",
>  				     reply[0], reply[1]);
> -			result = USB_STOR_TRANSPORT_ERROR;
>  			goto leave;
>  		}
>  
> -- 
> 2.30.2
>