lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CACRpkdb0y20JOdmzqMdEZB1_LbSKSY1nOtzhfvyf=eC3o2_p=Q@mail.gmail.com>
Date:   Thu, 24 Aug 2023 10:47:17 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Kent Gibson <warthog618@...il.com>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [libgpiod v1.6.x][PATCH] tests: mockup: unbind mockup devices
 before unloading the module

On Mon, Aug 21, 2023 at 5:33 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>
> gpio-mockup relies on the GPIO devices being registered in module's __init
> function and them being unregistered in __exit. This works with the GPIO
> subsystem as it only takes a reference to the underlying owner module when
> a GPIO descriptor is requested and not when the GPIO device is
> instantiated.
>
> This behavior may change in the future in the kernel so make the behavior
> of libgpiomockup more correct and have it unbind all mockup devices over
> sysfs before unloading the module.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ