Re: [PATCH v5 01/11] firmware: raspberrypi: Keep count of all consumers

From: Florian Fainelli
Date: Wed Dec 02 2020 - 12:27:17 EST




On 11/23/2020 10:38 AM, Nicolas Saenz Julienne 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 introduce rpi_firmware_put()
> which will permit automatically decrease the reference count upon
> unbinding consumer drivers.
>
> Suggested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>

This looks fine to me, just one nit below:

[snip]

> /**
> - * rpi_firmware_get - Get pointer to rpi_firmware structure.

Is not removing this line going to create a kernel doc warning?

With that fixed:

Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
--
Florian