Re: [PATCH] gpiolib: fix bitmap operations related to line event watching

[Linus Walleij]

On Wed, Feb 26, 2020 at 2:53 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:

> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> When operating on the bits of watched_lines bitmap, we're using
> desc_to_gpio() which returns the GPIO number from the global numberspace.
> This leads to all sorts of memory corruptions and invalid behavior. We
> should switch to using gpio_chip_hwgpio() instead.
>
> Fixes: 51c1064e82e7 ("gpiolib: add new ioctl() for monitoring changes in line info")
> Reported-by: Kent Gibson <warthog618@xxxxxxxxx>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>

This looks good but where should it be applied?
It fails to apply to my devel branch where this lives.

Yours,
Linus Walleij