Re: [PATCH v2 2/2] gpio: fix gpio-device list corruption

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Mon, Mar 1, 2021 at 10:05 AM Johan Hovold <johan@xxxxxxxxxx> wrote:

> Make sure to hold the gpio_lock when removing the gpio device from the
> gpio_devices list (when dropping the last reference) to avoid corrupting
> the list when there are concurrent accesses.
>
> Fixes: ff2b13592299 ("gpio: make the gpiochip a real device")
> Cc: stable@xxxxxxxxxxxxxxx      # 4.6
> Reviewed-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>

Excellent fix as well,
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij