netdev - Re: [PATCH] net: Correctly sync addresses from multiple sources to single device

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Date:	Tue, 21 Jan 2014 14:53:55 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	vyasevic@...hat.com
Cc:	netdev@...r.kernel.org, andrey.dmitrov@...etlabs.ru
Subject: Re: [PATCH] net: Correctly sync addresses from multiple sources to
 single device

From: Vlad Yasevich <vyasevic@...hat.com>
Date: Fri, 17 Jan 2014 14:52:12 -0500

> When we have multiple devices attempting to sync the same address
> to a single destination, each device should be permitted to sync
> it once.  To accomplish this, pass the sync count of the source
> address to __hw_addr_add_ex().  'sync_cnt' tracks how many time
> a given address has been successfully synced.  If the address
> is found in the destination list, but the 'sync_cnt' of the source
> is 0, then this address has not been synced from this interface
> and we need to allow the sync operation to succeed thus incrementing
> reference counts.
> 
> Reported-by: Andrey Dmitrov <andrey.dmitrov@...etlabs.ru>
> CC: Andrey Dmitrov <andrey.dmitrov@...etlabs.ru>
> Signed-off-by: Vlad Yasevich <vyasevic@...hat.com>

I applied this to net-next since 3.13 just got released, and it doesn't
compile.

net/core/dev_addr_lists.c: In function ‘__hw_addr_sync_one’:
net/core/dev_addr_lists.c:144:26: error: ‘struct netdev_hw_addr’ has no member named ‘sync_count’