linux-kernel - Re: [PATCH 12/22] gpio: sysfs: extend the critical section for unregistering sysfs devices

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Message-ID: <CACRpkda2dgK1hWdFRJh7N3qER1q-+Hfmng_Kiap1PNYQ-edcEA@mail.gmail.com>
Date: Wed, 31 Jan 2024 21:06:24 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Kent Gibson <warthog618@...il.com>, Alex Elder <elder@...aro.org>, 
	Geert Uytterhoeven <geert+renesas@...der.be>, "Paul E . McKenney" <paulmck@...nel.org>, 
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Wolfram Sang <wsa@...-dreams.de>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 12/22] gpio: sysfs: extend the critical section for
 unregistering sysfs devices

On Tue, Jan 30, 2024 at 1:48 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>
> Checking the gdev->mockdev pointer for NULL must be part of the critical
> section.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

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

(Unrelated: I don't quite understand why it has to be a member of the
gpio_device if mockdev/sysfs isn't enabled, something for us to fix
another day.)

Yours,
Linus Walleij