netdev - Re: [PATCH] ipv6 addrconf: Fix addrconf_ifid

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Message-Id: <20130307.181751.2267151221127000913.davem@davemloft.net>
Date:	Thu, 07 Mar 2013 18:17:51 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	bhutchings@...arflare.com, alex.aring@...il.com,
	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	linux-zigbee-devel@...ts.sourceforge.net, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6 addrconf: Fix addrconf_ifid_eui64 of 802.15.4
 devices

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 07 Mar 2013 14:57:05 -0800

> On Thu, 2013-03-07 at 22:41 +0000, Ben Hutchings wrote:
>> On Thu, 2013-03-07 at 21:13 +0100, Alexander Aring wrote:
>> > The function addrconf_ifid_eui64 will copy eui into dev->dev_addr.
>> > We need first to manipulate eui[0] before we call memcpy afterwards.
>> 
>> memcpy() does not work that way.
>> 
>> > Broken since commit:
>> > 5e98a36ed4bf6ea396170e3af0dd4fcbe51d772f
>> > 
>> > Since this commit I got many trouble with the ieee802154 stack.
>> 
>> Your change is effectively reverting that commit.
> 
> Reverting the commit seems the solution ;)

So Yoshifuji HIDEAKI and Alexander need to work out what is happening
here.
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