[PATCH v2 01/10] firmware: raspberrypi: Introduce rpi_firmware_put()

Andy Shevchenko andy.shevchenko at gmail.com
Thu Oct 22 18:46:41 UTC 2020


On Thu, Oct 22, 2020 at 9:06 PM Nicolas Saenz Julienne
<nsaenzjulienne at suse.de> wrote:
>
> When unbinding the firmware device we need to make sure it has no
> consumers left. Otherwise we'd leave them with a firmware handle
> pointing at freed memory.
>
> Keep a reference count of all consumers and make sure they all finished
> unbinding before we do.

Wait, if it's a device, why do we need all these?
get_device() / put_device() along with module_get() / module_put()
should be sufficient, no?

-- 
With Best Regards,
Andy Shevchenko


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