netdev - Re: [PATCH net-next-2.6] net: use helpers to access uc list

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Message-Id: <20100125.020628.124583614.davem@davemloft.net>
Date:	Mon, 25 Jan 2010 02:06:28 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jpirko@...hat.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] net: use helpers to access uc list

From: Jiri Pirko <jpirko@...hat.com>
Date: Mon, 25 Jan 2010 09:34:52 +0100

> Well I use "unsigned char *" as iterator because it would allow
> smooth thansition to list_head in case of mc_list. Currently "struct
> dev_addr_list" is used to store address in the list but in the end
> "struct netdev_hw_addr *" will be used.  To use "struct list_head *"
> or "struct netdev_hw_addr *" as an iterator it would be needed to
> convert all drivers at once and that's not doable. Therefore I see
> "unsigned char *" cursor as the best option.

But it's not what you want to use in the end, at all.

If you're going to use a very ugly and opaque iterator type merely to
ease transition, that's not a good reason.
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