linux-kernel - Re: [PATCH v2] gianfar: correct the bad expression while writing bit-pattern

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Date:	Mon, 12 Jan 2015 22:01:31 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Sanjeev Sharma <sanjeev_sharma@...tor.com>
Cc:	davem@...emloft.net, claudiu.manoil@...escale.com,
	peter.senna@...il.com, shemminger@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] gianfar: correct the bad expression while writing
 bit-pattern

On Tue, 2015-01-13 at 10:58 +0530, Sanjeev Sharma wrote:
> This patch correct the bad expression while writing the
> bit-pattern from software's buffer to hardware registers.
> 
> Signed-off-by: Sanjeev Sharma <Sanjeev_Sharma@...tor.com>
> ---
> Changes in v2:
>   - incorporated review comment as per Sergei. 
> 
>  drivers/net/ethernet/freescale/gianfar_ethtool.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
> index 3e1a9c1..347d5ee 100644
> --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
> +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
> @@ -1586,7 +1586,7 @@ static int gfar_write_filer_table(struct gfar_private *priv,
>  		return -EBUSY;
>  
>  	/* Fill regular entries */
> -	for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl);
> +	for (; i < MAX_FILER_IDX - 1 && i < tab->fe[i].ctrl);
>  	     i++)
>  		gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
>  	/* Fill the rest with fall-troughs */

This makes no sense. Have you tried to compile this ?


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