linux-kernel - Re: [PATCH v2 5/5] misc/pvpanic: Make 'pvpanic

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Date:   Sat, 22 May 2021 13:09:06 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mihai Carabas <mihai.carabas@...cle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        pizhenwei@...edance.com, Paolo Bonzini <pbonzini@...hat.com>,
        bobo.shaobowang@...wei.com, linqiheng@...wei.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH v2 5/5] misc/pvpanic: Make 'pvpanic_probe()' resource managed

On Sat, May 22, 2021 at 1:06 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Sat, May 22, 2021 at 9:56 AM Christophe JAILLET
> <christophe.jaillet@...adoo.fr> wrote:

Hmm... Couple of (minor) comments though.

> > Simplify code and turn 'pvpanic_probe()' into a managed resource version.
> > This simplify callers that don't need to do some clean-up on error in the

simplifies
errors

> > probe and on remove.
> >
> > Update pvpanic-mmio.c and pvpanic-pci.c accordingly.
> >
> > 'pvpanic_remove()' don't need to be exported anymore.
>
> LGTM, thanks!
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>
> > Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> > Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

...

> > +static void pvpanic_remove(void *param)
> >  {
> >         struct pvpanic_instance *pi_cur, *pi_next;
> > +       struct pvpanic_instance *pi = param;

> >         if (!pi)
> >                 return;

Looking at this I'm wondering why it's not a dead code.

-- 
With Best Regards,
Andy Shevchenko