> Date: Tue, 29 Nov 2022 02:11:15 +0000
> From: Bruno Melo <bm...@protonmail.com>
>
> and then the crash happens in my bus_space_unmap(). Please, do you
> have any idea what could be the problem or how i can investigate it?
> Picture attached and code below:
There's only one call to bus_space_unmap in your driver. It happens
here:
printf(", %d pins\n", sc->sc_npins);
#if NGPIO > 0
config_found(sc->sc_dev, &gba, gpiobus_print, CFARGS_NONE);
#endif
unmap:
kmem_free(sc->sc_pin_ih, sc->sc_npins * sizeof(*sc->sc_pin_ih));
bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_size);
sc->sc_size = 0;
printf(" DOIS");
There are two ways to reach this:
1. The error branch when acpi_intr_establish fails, which will first
print a message (`can't establish interrupt') so you can tell
whether this happened.
2. Fall through after config_found. This is the case where everything
succeeded, so you probably meant to return here instead of falling
through to cleanup!
