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Date:   Fri, 31 May 2019 08:20:05 +0100
From:   Wei Liu <wei.liu2@...rix.com>
To:     Colin King <colin.king@...onical.com>
CC:     Wei Liu <wei.liu2@...rix.com>,
        Paul Durrant <paul.durrant@...rix.com>,
        "David S . Miller" <davem@...emloft.net>,
        <xen-devel@...ts.xenproject.org>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xen-netback: remove redundant assignment to err

On Thu, May 30, 2019 at 08:04:38PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The variable err is assigned with the value -ENOMEM that is never
> read and it is re-assigned a new value later on.  The assignment is
> redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Acked-by: Wei Liu <wei.liu2@...rix.com>


> ---
>  drivers/net/xen-netback/interface.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
> index 783198844dd7..240f762b3749 100644
> --- a/drivers/net/xen-netback/interface.c
> +++ b/drivers/net/xen-netback/interface.c
> @@ -633,7 +633,7 @@ int xenvif_connect_data(struct xenvif_queue *queue,
>  			unsigned int rx_evtchn)
>  {
>  	struct task_struct *task;
> -	int err = -ENOMEM;
> +	int err;
>  
>  	BUG_ON(queue->tx_irq);
>  	BUG_ON(queue->task);
> -- 
> 2.20.1
> 

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