linux-kernel - Re: [PATCH] net: ethernet: sun: remove redundant variables adv and lpa

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Message-ID: <20180705095207.3dldyjgqivp5drhc@mwanda>
Date:   Thu, 5 Jul 2018 12:52:07 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Colin King <colin.king@...onical.com>
Cc:     "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ethernet: sun: remove redundant variables adv and
 lpa

On Thu, Jul 05, 2018 at 10:37:32AM +0100, Colin King wrote:
> diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
> index 88c12474a0c3..2d6b62c6d9ab 100644
> --- a/drivers/net/ethernet/sun/niu.c
> +++ b/drivers/net/ethernet/sun/niu.c
> @@ -1225,17 +1225,13 @@ static int link_status_1g_rgmii(struct niu *np, int *link_up_p)
>  
>  	bmsr = err;
>  	if (bmsr & BMSR_LSTATUS) {
> -		u16 adv, lpa;
> -
>  		err = mii_read(np, np->phy_addr, MII_ADVERTISE);
>  		if (err < 0)
>  			goto out;
> -		adv = err;
>  
>  		err = mii_read(np, np->phy_addr, MII_LPA);
>  		if (err < 0)
>  			goto out;
> -		lpa = err;

I'm fairly sure we could get rid of the mii_read() calls as well.

regards,
dan carpenter