linux-kernel - Re: [PATCH] seastar - SeaStar Ethernet driver (review comments addressed)

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Date:	Tue, 02 Feb 2010 18:02:01 -0800
From:	Joe Perches <joe@...ches.com>
To:	Kevin Pedretti <ktpedre@...dia.gov>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] seastar - SeaStar Ethernet driver (review comments
 addressed)

On Tue, 2010-02-02 at 18:08 -0700, Kevin Pedretti wrote:
> diff -uprN -X linux-2.6.32.7-vanilla/Documentation/dontdiff linux-2.6.32.7-vanilla/drivers/net/seastar/main.c linux-2.6.32.7/drivers/net/seastar/main.c
> --- linux-2.6.32.7-vanilla/drivers/net/seastar/main.c	1969-12-31 17:00:00.000000000 -0700
> +++ linux-2.6.32.7/drivers/net/seastar/main.c	2010-02-02 17:52:31.000000000 -0700
[]
> +static struct pending *alloc_tx_pending(struct ss_priv *ssp)
> +{
> +	struct pending *pending = ssp->tx_pending_free_list;
> +	if (!pending)
> +		return NULL;
> +
> +	ssp->tx_pending_free_list = pending->next;
> +	pending->next = 0;

kernel style doesn't like pointer assignments of 0.
NULL is preferred.

> +	/* Squash broadcast packets, SeaStar doesn't support broadcast */
> +	if (dest_lo_mac == 0xFF) {
> +		dev_err(&ssp->pdev->dev, "squashing broadcast packet.");
> +		return -1;
> +	}
 
Presumably SeaStar doesn't support multicast either, so maybe:
	if (dest_low_mac & 0x01)


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