Re: [PATCH v3] gpio: cdev: sanitize the label before requesting the interrupt

[Kent Gibson]

On Mon, Mar 25, 2024 at 10:02:42AM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> When an interrupt is requested, a procfs directory is created under
> "/proc/irq/<irqnum>/<label>" where <label> is the string passed to one of
> the request_irq() variants.
>
> What follows is that the string must not contain the "/" character or
> the procfs mkdir operation will fail. We don't have such constraints for
> GPIO consumer labels which are used verbatim as interrupt labels for
> GPIO irqs. We must therefore sanitize the consumer string before
> requesting the interrupt.
>
> Let's replace all "/" with ":".
>

Looks good to me.

Reviewed-by: Kent Gibson <warthog618@xxxxxxxxx>