linux-kernel - Re: [Y2038] [PATCH v6 16/43] compat_ioctl: move isdn/capi ioctl translation into driver

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Message-ID: <CAK8P3a3xOo6ccFbSmZNZs+9Z42oREx+gAObxDiwTQPujndEBBw@mail.gmail.com>
Date:   Fri, 18 Oct 2019 16:18:19 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Ben Hutchings <ben.hutchings@...ethink.co.uk>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Karsten Keil <isdn@...ux-pingi.de>,
        y2038 Mailman List <y2038@...ts.linaro.org>,
        Networking <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        isdn4linux@...tserv.isdn4linux.de,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>
Subject: Re: [Y2038] [PATCH v6 16/43] compat_ioctl: move isdn/capi ioctl
 translation into driver

On Thu, Oct 17, 2019 at 8:25 PM Ben Hutchings
<ben.hutchings@...ethink.co.uk> wrote:
>
> On Wed, 2019-10-09 at 21:10 +0200, Arnd Bergmann wrote:
> [...]
> > --- a/drivers/isdn/capi/capi.c
> > +++ b/drivers/isdn/capi/capi.c
> > @@ -950,6 +950,34 @@ capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> >       return ret;
> >  }
> >
> > +#ifdef CONFIG_COMPAT
> > +static long
> > +capi_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> > +{
> > +     int ret;
> > +
> > +     if (cmd == CAPI_MANUFACTURER_CMD) {
> > +             struct {
> > +                     unsigned long cmd;
>
> Should be u32?

Good catch, changed to compat_ulong_t now.

Thanks,

      Arnd