netdev - Re: [PATCH 5/9] sit: refactor ipip6_tunnel

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Date:   Mon, 18 May 2020 18:47:25 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Christoph Hellwig <hch@....de>,
        "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/9] sit: refactor ipip6_tunnel_ioctl

On Mon, May 18, 2020 at 09:43:56AM -0700, Jakub Kicinski wrote:
> On Mon, 18 May 2020 13:46:51 +0200 Christoph Hellwig wrote:
> > Split the ioctl handler into one function per command instead of having
> > a all the logic sit in one giant switch statement.
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> 
> net/ipv6/sit.c: In function ipip6_tunnel_prl_ctl:
> net/ipv6/sit.c:460:6: warning: variable err set but not used [-Wunused-but-set-variable]
>   460 |  int err;

The warning looks correct, although my compiler doesn't report it :(