netdev - Re: [PATCH] drivers/net: correct valid flag

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Message-Id: <20100705.180349.112607097.davem@davemloft.net>
Date:	Mon, 05 Jul 2010 18:03:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	julia@...u.dk
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] drivers/net: correct valid flag

From: Julia Lawall <julia@...u.dk>
Date: Mon, 5 Jul 2010 17:07:15 +0200 (CEST)

> From: Julia Lawall <julia@...u.dk>
> 
> Elsewhere in the "optimized" functions, the "2" constants are used.
> NV_TX_VALID and NV_TX2_VALID have the same value.
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>
> 
> ---
> diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
> index 268ea4d..870c18b 100644
> --- a/drivers/net/forcedeth.c
> +++ b/drivers/net/forcedeth.c
> @@ -2468,7 +2468,8 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit)
>  	struct ring_desc_ex* orig_get_tx = np->get_tx.ex;
>  
>  	while ((np->get_tx.ex != np->put_tx.ex) &&
> -	       !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX_VALID) &&
> +	       !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX2_VALID)
> +	       &&
>  	       (tx_work < limit)) {

Please don't put that "&&" on a line by itself.  I don't care if leaving it
on the previous line makes it exceed 80 columns, what you're doing here is
infinitely less pleasant to read.
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