linux-kernel - Re: [net PATCH 3/9] octeontx2-af: Do not allocate memory for devlink private

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Message-ID: <CALHRZupARnUK5PgRjv9-TmFd9mNUg0Ms55zZEC2VuDcaEBZYLQ@mail.gmail.com>
Date:   Tue, 16 Mar 2021 23:33:40 +0530
From:   sundeep subbaraya <sundeep.lkml@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Hariprasad Kelam <hkelam@...vell.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        lcherian@...vell.com, Geetha sowjanya <gakula@...vell.com>,
        jerinj@...vell.com, Subbaraya Sundeep <sbhatta@...vell.com>
Subject: Re: [net PATCH 3/9] octeontx2-af: Do not allocate memory for devlink private

Hi Jakub,


On Tue, Mar 16, 2021 at 10:53 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Tue, 16 Mar 2021 14:57:07 +0530 Hariprasad Kelam wrote:
> > From: Subbaraya Sundeep <sbhatta@...vell.com>
> >
> > Memory for driver private structure rvu_devlink is
> > also allocated during devlink_alloc. Hence use
> > the allocated memory by devlink_alloc and access it
> > by devlink_priv call.
> >
> > Fixes: fae06da4("octeontx2-af: Add devlink suppoort to af driver")
> > Signed-off-by: Subbaraya Sundeep <sbhatta@...vell.com>
> > Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
> > Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
>
> Does it fix any bug? Looks like a coding improvement.

Without this we cannot fetch our private struct 'rvu_devlink'  from any
of the functions in devlink_ops which may get added in future.

Thanks,
Sundeep