netdev - Re: [PATCH 19/26] net/ipv6: switch ipv6_flowlabel_opt to sockptr

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Date:   Mon, 27 Jul 2020 21:22:59 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     Christoph Hellwig <hch@....de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        linux-sctp@...r.kernel.org, linux-hams@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, bridge@...ts.linux-foundation.org,
        linux-can@...r.kernel.org, dccp@...r.kernel.org,
        linux-decnet-user@...ts.sourceforge.net,
        linux-wpan@...r.kernel.org, linux-s390@...r.kernel.org,
        mptcp@...ts.01.org, lvs-devel@...r.kernel.org,
        rds-devel@....oracle.com, linux-afs@...ts.infradead.org,
        tipc-discussion@...ts.sourceforge.net, linux-x25@...r.kernel.org
Subject: Re: [PATCH 19/26] net/ipv6: switch ipv6_flowlabel_opt to sockptr_t

On Mon, Jul 27, 2020 at 06:15:55PM +0200, Christoph Hellwig wrote:
> I have to admit I didn't spot the difference between the good and the
> bad output even after trying hard..
> 
> But can you try the patch below?
> 
> ---
> From cce2d2e1b43ecee5f4af7cf116808b74b330080f Mon Sep 17 00:00:00 2001
> From: Christoph Hellwig <hch@....de>
> Date: Mon, 27 Jul 2020 17:42:27 +0200
> Subject: net: remove sockptr_advance
> 
> sockptr_advance never properly worked.  Replace it with _offset variants
> of copy_from_sockptr and copy_to_sockptr.
> 
> Fixes: ba423fdaa589 ("net: add a new sockptr_t type")
> Reported-by: Jason A. Donenfeld <Jason@...c4.com>
> Reported-by: Ido Schimmel <idosch@...sch.org>
> Signed-off-by: Christoph Hellwig <hch@....de>

Tested-by: Ido Schimmel <idosch@...lanox.com>

Thanks!