linux-kernel - Re: [PATCH] firewire: Remove function callback casts

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Date:   Tue, 19 May 2020 18:59:11 +0200
From:   Oscar Carter <oscar.carter@....com>
To:     "Lev R. Oshvang ." <levonshe@...il.com>
Cc:     Oscar Carter <oscar.carter@....com>,
        Kees Cook <keescook@...omium.org>,
        Stefan Richter <stefanr@...6.in-berlin.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Clemens Ladisch <clemens@...isch.de>,
        Takashi Sakamoto <o-takashi@...amocchi.jp>,
        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
Subject: Re: [PATCH] firewire: Remove function callback casts

On Sun, May 17, 2020 at 07:43:21PM +0300, Lev R. Oshvang . wrote:
>
> Hi Oscar,
> I would recommend to explicitly set NULL to _cb and use if elif to
> exclude the case where botm _cb paraneters are passed as NULLs :
> > +
>   ctx->callback.mc =NULL:
>   ctx->callback.sc = NULL;
> > +       if (cb_sc)
> > +               ctx->callback.sc = cb_sc;
>
> > +       elif (cb_ms)
> > +               ctx->callback.mc = cb_mc;
> > +         else
>                     return -EINVAL;

Ok, I will do the changes you suggested and I will resend a new version.

> Hope you get the point.
> Lev

Thanks,
Oscar Carter