netdev - Re: [net-next-2.6 PATCH] ipoib: remove addrlen check for mc addresses

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Message-ID: <20100322165916.GE29129@obsidianresearch.com>
Date:	Mon, 22 Mar 2010 10:59:16 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Jiri Pirko <jpirko@...hat.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, ogerlitz@...taire.com,
	linux-rdma@...r.kernel.org, monis@...taire.com
Subject: Re: [net-next-2.6 PATCH] ipoib: remove addrlen check for mc
	addresses

On Mon, Mar 22, 2010 at 02:21:39PM +0100, Jiri Pirko wrote:
> Finally this bit can be removed. Currently, after the bonding driver is
> changed/fixed (32a806c194ea112cfab00f558482dd97bee5e44e net-next-2.6),
> that's not possible for an addr with different length than dev->addr_len
> to be present in list. Removing this check as in new mc_list there will be
> no addrlen in the record.

Maybe just make this check a WARN_ON? Can userspace create a mc_list
entry with the wrong size via netlink?

Jason
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