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Date:   Sat, 23 May 2020 08:10:18 +0200
From:   greg@...ah.com
To:     Oscar Carter <oscar.carter@....com>
Cc:     stable <stable@...r.kernel.org>,
        Takashi Sakamoto <o-takashi@...amocchi.jp>,
        Kees Cook <keescook@...omium.org>,
        Stefan Richter <stefanr@...6.in-berlin.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Clemens Ladisch <clemens@...isch.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        kernel-hardening@...ts.openwall.com,
        linux1394-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        alsa-devel@...a-project.org,
        "Lev R . Oshvang ." <levonshe@...il.com>
Subject: Re: [PATCH v2] firewire: Remove function callback casts

On Fri, May 22, 2020 at 07:43:08PM +0200, Oscar Carter wrote:
> Hi,
> 
> On Wed, May 20, 2020 at 03:16:24PM +0900, Takashi Sakamoto wrote:
> > Hi,
> >
> > I'm an author of ALSA firewire stack and thanks for the patch. I agree with
> > your intention to remove the cast of function callback toward CFI build.
> >
> > Practically, the isochronous context with FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL
> > is never used by in-kernel drivers. Here, I propose to leave current
> > kernel API (fw_iso_context_create() with fw_iso_callback_t) as is.

If it's not used by anyone, why is it still there?  Can't we just delete
it?

thanks,

greg k-h

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