netdev - Re: [PATCH net-next] mlx5: work around unused function warning

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Message-ID: <20170427131312.GI14088@mtr-leonro.local>
Date:   Thu, 27 Apr 2017 16:13:12 +0300
From:   Leon Romanovsky <leonro@...lanox.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Saeed Mahameed <saeedm@...lanox.com>,
        Matan Barak <matanb@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Erez Shitrit <erezsh@...lanox.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Networking <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] mlx5: work around unused function warning

On Thu, Apr 27, 2017 at 02:04:15PM +0200, Arnd Bergmann wrote:
> On Thu, Apr 27, 2017 at 1:55 PM, Leon Romanovsky <leonro@...lanox.com> wrote:
> > On Thu, Apr 27, 2017 at 01:04:02PM +0200, Arnd Bergmann wrote:
> >> The previous patch addressed a sparse warning but replaced it with a
> >> compiler warning when CONFIG_MODULES is disabled:
> >>
> >> drivers/net/ethernet/mellanox/mlx5/core/ipoib.c:485:13: error: 'mlx5_rdma_netdev_free' defined but not used [-Werror=unused-function]
> >> drivers/net/ethernet/mellanox/mlx5/core/ipoib.c:423:27: error: 'mlx5_rdma_netdev_alloc' defined but not used [-Werror=unused-function]
> >>
> >> We should never export 'static' functions, so this makes them global
> >> again but hides them in another #ifdef like the change before.
> >>
> >> Fixes: a7082ef066f0 ("mlx5: hide unused functions")
> >> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> >
> > Hi Arnd,
> >
> > Thanks for the patch, but Stephen and Saeed already sent patch similar to it.
> > http://marc.info/?l=linux-netdev&m=149288674816288&w=2
>
> That link is for the patch that introduced the warning that I'm fixing here,
> it showed up yesterday in linux-next.
>
> Did you misread my patch, or just give the wrong link?

Sorry, I misread you patch, because I prepared patch which add users for
these functions and didn't notice both "static" and EXPORT_SYMBOLS at the same time.
I will send it in a couple of minutes.

Thanks

>
>       Arnd
> --
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