linux-kernel - Re: [PATCH 7/8] intel_th: Convert to platform remove callback returning void

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Message-ID: <i3oybmf3axeyk5rcef5kgfdb4cucd63h24gup6idn62nq3vvav@4mfzwzyamq27>
Date: Wed, 10 Jan 2024 09:41:54 +0100
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: kernel@...gutronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/8] intel_th: Convert to platform remove callback
 returning void

Hello,

On Tue, Nov 07, 2023 at 09:28:26PM +0100, Uwe Kleine-König wrote:
> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is ignored (apart
> from emitting a warning) and this typically results in resource leaks.
> 
> To improve here there is a quest to make the remove callback return
> void. In the first step of this quest all drivers are converted to
> .remove_new(), which already returns void. Eventually after all drivers
> are converted, .remove_new() will be renamed to .remove().
> 
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

I didn't get any feedback to this patch and it didn't make it into next
up to now.

Is this still on someone's radar?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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