linux-kernel - Re: [PATCH 1/3] nvmem: layouts: store owner from modules with nvmem_layout_driver

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Message-Id: <D09I0YEBGBV8.3SOV5AYONO5ZL@kernel.org>
Date: Tue, 02 Apr 2024 10:37:24 +0200
From: "Michael Walle" <mwalle@...nel.org>
To: "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>, "Srinivas
 Kandagatla" <srinivas.kandagatla@...aro.org>, "Miquel Raynal"
 <miquel.raynal@...tlin.com>
Cc: <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] nvmem: layouts: store owner from modules with
 nvmem_layout_driver_register()

On Fri Mar 29, 2024 at 5:13 PM CET, Krzysztof Kozlowski wrote:
> Modules registering driver with nvmem_layout_driver_register() might
> forget to set .owner field.  The field is used by some of other kernel
> parts for reference counting (try_module_get()), so it is expected that
> drivers will set it.
>
> Solve the problem by moving this task away from the drivers to the core
> code, just like we did for platform_driver in
> commit 9447057eaff8 ("platform_device: use a macro instead of
> platform_driver_register").
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Michael Walle <mwalle@...nel.org>

-michael

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