linux-kernel - Re: [PATCH 16/40] soc/microchip: mpfs-sys-controller: Convert to platform remove callback returning void

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Message-ID: <20230925-confined-tibia-9982d3267806@wendy>
Date:   Mon, 25 Sep 2023 11:20:39 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...gutronix.de>
Subject: Re: [PATCH 16/40] soc/microchip: mpfs-sys-controller: Convert to
 platform remove callback returning void

On Mon, Sep 25, 2023 at 11:55:07AM +0200, 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>

Applied with some cosmetic changes to the commit message, thanks!

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