From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH rfc 3/4] net-timestamp: tcp sockets return v6 errors on
 v6 sockets
Date: Tue, 25 Nov 2014 13:41:52 -0500 (EST)
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From: Willem de Bruijn <willemb@google.com>
Date: Tue, 25 Nov 2014 12:58:05 -0500

> From: Willem de Bruijn <willemb@google.com>
> 
> TCP timestamping introduced MSG_ERRQUEUE handling for TCP sockets.
> It always passed errorqueue requests onto ip_recv_error, but the
> same tcp_recvmsg code may also be called for IPv6 sockets. In that
> case, pass to ipv6_recv_error.
> 
> Tested by asking for PKTINFO with
> 
>   Documentation/networking/timestamping/txtimestamp -I
> 
> Before this change, IPv6 sockets would return AF_INET/IP_PKTINFO
> after the change, these sockets return AF_INET6/IPV6_PKTINFO
> 
> Signed-off-by: Willem de Bruijn <willemb@google.com>

This looks like a bug fix to me, and is therefore probably 'net'
material.