On Mon, Mar 25, 2024 at 10:02 AM Bartosz Golaszewski <brgl@xxxxxxxx> 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 ":". > > Cc: stable@xxxxxxxxxxxxxxx > Reported-by: Stefan Wahren <wahrenst@xxxxxxx> > Closes: https://lore.kernel.org/linux-gpio/39fe95cb-aa83-4b8b-8cab-63947a726754@xxxxxxx/ > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Good work on this one! Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
