linux-kernel - Re: [PATCH v2 0/3] ALSA: hdsp and hdspm, don't disable device if not enabled

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Date:   Sun, 21 Mar 2021 11:40:23 -0400
From:   Tong Zhang <ztong0001@...il.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Romain Perier <romain.perier@...il.com>,
        Allen Pais <allen.lkml@...il.com>,
        Leon Romanovsky <leon@...nel.org>,
        Jasmin Fazlic <superfassl@...il.com>,
        Mark Brown <broonie@...nel.org>, Joe Perches <joe@...ches.com>,
        Tom Rix <trix@...hat.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        alsa-devel@...a-project.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/3] ALSA: hdsp and hdspm, don't disable device if not enabled

On Sun, Mar 21, 2021 at 4:16 AM Takashi Iwai <tiwai@...e.de> wrote:
>
> On Sat, 20 Mar 2021 23:23:33 +0100,
> Tong Zhang wrote:
> >
> > This series fixes issues in hdsp and hdspm. The drivers in question want
> > to disable a device that is not enabled on error path.
> >
> > v2: add fix to rme9652
> >
> > Tong Zhang (3):
> >   ALSA: hdsp: don't disable if not enabled
> >   ALSA: hdspm: don't disable if not enabled
> >   ALSA: rme9652: don't disable if not enabled
>
> Thanks for the patches.
>
> IMO, a safer way for this is to add pci_is_enabled() check in *_free()
> functions around the call of pci_disable_device().  The point is that
> *_free() is the sole destructor function that manages all stuff, hence
> it's better to do all there.  And, of course, it'll be less changes.
>
> Care to resend v3 patches with that?
>
>
> thanks,
>
> Takashi

Thanks Takashi.
I made some changes and sent them as v3.
- Tong