linux-kernel - Re: [PATCH 3/7] drivers/net/atl1c: Remove double test

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Message-ID: <20100828165014.GJ9832@bicker>
Date:	Sat, 28 Aug 2010 18:50:14 +0200
From:	Dan Carpenter <error27@...il.com>
To:	Julia Lawall <julia@...u.dk>
Cc:	netdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jie.Yang@...eros.com,
	lrodriguez@...eros.com
Subject: Re: [PATCH 3/7] drivers/net/atl1c: Remove double test

I added the Atheros people to the CC list.  Jie Yang should know.

regards,
dan carpenter

On Sat, Aug 28, 2010 at 05:41:02PM +0200, Julia Lawall wrote:
> The nic_type field is compared to athr_l2c twice.
> 
> The sematic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @expression@
> expression E;
> @@
> 
> (
> * E
>   || ... || E
> |
> * E
>   && ... && E
> )
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>
> 
> ---
> This is a guess as to what the code should be.  Perhaps something else
> should have been tested instead.
> 
>  drivers/net/atl1c/atl1c_hw.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c
> index d8501f0..919080b 100644
> --- a/drivers/net/atl1c/atl1c_hw.c
> +++ b/drivers/net/atl1c/atl1c_hw.c
> @@ -480,7 +480,7 @@ int atl1c_phy_reset(struct atl1c_hw *hw)
>  		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x929D);
>  	}
>  	if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b2
> -		|| hw->nic_type == athr_l2c || hw->nic_type == athr_l2c) {
> +		|| hw->nic_type == athr_l2c) {
>  		atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29);
>  		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD);
>  	}
> 
> --
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