Messages in this thread | | | From | Linus Walleij <> | Date | Tue, 2 Jan 2024 23:15:55 +0100 | Subject | Re: [PATCH v2 3/3] gpiolib: pin GPIO devices in place during descriptor lookup |
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On Tue, Jan 2, 2024 at 4:59 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > There's time between when we locate the relevant descriptor during > lookup and when we actually take the reference to its parent GPIO > device where - if the GPIO device in question is removed - we'll end up > with a dangling pointer to freed memory. Make sure devices cannot be > removed until we hold a new reference to the device. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Also looks right to me! Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours, Linus Walleij
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