linux-hardening - Re: [PATCH 0/3] parport: Cleanup some pre-devmodel code

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Message-ID: <Znw2oRnqaZ39aXzQ@gallifrey>
Date: Wed, 26 Jun 2024 15:41:21 +0000
From: "Dr. David Alan Gilbert" <linux@...blig.org>
To: sudipm.mukherjee@...il.com, sudip.mukherjee@...ethink.co.uk
Cc: arnd@...db.de, linux-kernel@...r.kernel.org,
	linux-parport@...ts.infradead.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH 0/3] parport: Cleanup some pre-devmodel code

* Dr. David Alan Gilbert (linux@...blig.org) wrote:
> * Dr. David Alan Gilbert (dave@...blig.org) wrote:
> > * linux@...blig.org (linux@...blig.org) wrote:
> > > From: "Dr. David Alan Gilbert" <linux@...blig.org>
> > > 
> > > There are some remenants of the pre-devmodel code
> > > still in the parport drivers; try and clean some of them out.
> > 
> > Ping!
> 
> Ping^2.

Ping^3

(Added Sudip's other email address, and also cc'd linux-hardening)

Dave

> Dave
> 
> > Dave
> > 
> > > This series should have no visible change, all the drivers
> > > already use the devmodel, it's just removing the flags
> > > that say that, and cleaning out no longer used function pointers.
> > > (To me the most useful bit is removing the no longer used
> > > 'attach' pointer, so if you've got code that's trying to use
> > > it you'll get educated).
> > > 
> > > Trivially tested in qemu, I can still write to the lp;
> > > 
> > > Also checked with grep -r 'struct parport_driver' . -A 9
> > > to see if I've missed any.
> > > 
> > > (I found this while dragging the out-of-tree ppscsi code
> > > into working on head, so that I could use my prehistoric
> > > HP PP scanner)
> > > 
> > > Dave
> > > 
> > > Dr. David Alan Gilbert (3):
> > >   parport: Remove 'drivers' list
> > >   parport: Remove attach function pointer
> > >   parport: Remove parport_driver.devmodel
> > > 
> > >  drivers/ata/pata_parport/pata_parport.c  | 1 -
> > >  drivers/auxdisplay/ks0108.c              | 1 -
> > >  drivers/auxdisplay/panel.c               | 1 -
> > >  drivers/char/lp.c                        | 1 -
> > >  drivers/char/ppdev.c                     | 1 -
> > >  drivers/i2c/busses/i2c-parport.c         | 1 -
> > >  drivers/input/joystick/db9.c             | 1 -
> > >  drivers/input/joystick/gamecon.c         | 1 -
> > >  drivers/input/joystick/turbografx.c      | 1 -
> > >  drivers/input/joystick/walkera0701.c     | 1 -
> > >  drivers/input/serio/parkbd.c             | 1 -
> > >  drivers/net/hamradio/baycom_epp.c        | 1 -
> > >  drivers/net/hamradio/baycom_par.c        | 1 -
> > >  drivers/net/plip/plip.c                  | 1 -
> > >  drivers/parport/daisy.c                  | 1 -
> > >  drivers/parport/share.c                  | 9 ---------
> > >  drivers/pps/clients/pps_parport.c        | 1 -
> > >  drivers/pps/generators/pps_gen_parport.c | 1 -
> > >  drivers/scsi/imm.c                       | 1 -
> > >  drivers/scsi/ppa.c                       | 1 -
> > >  drivers/spi/spi-butterfly.c              | 1 -
> > >  drivers/spi/spi-lm70llp.c                | 1 -
> > >  include/linux/parport.h                  | 6 ------
> > >  sound/drivers/mts64.c                    | 1 -
> > >  sound/drivers/portman2x4.c               | 1 -
> > >  25 files changed, 38 deletions(-)
> > > 
> > > -- 
> > > 2.44.0
> > > 
> > -- 
> >  -----Open up your eyes, open up your mind, open up your code -------   
> > / Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
> > \        dave @ treblig.org |                               | In Hex /
> >  \ _________________________|_____ http://www.treblig.org   |_______/
> > 
> -- 
>  -----Open up your eyes, open up your mind, open up your code -------   
> / Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
> \        dave @ treblig.org |                               | In Hex /
>  \ _________________________|_____ http://www.treblig.org   |_______/
> 
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/