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From: "Thierry Reding" <thierry.reding@gmail.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Dipen Patel" <dipenp@nvidia.com>
Cc: "Jonathan Hunter" <jonathanh@nvidia.com>,
	<timestamp@lists.linux.dev>, <linux-tegra@vger.kernel.org>,
	<kernel@pengutronix.de>
Subject: Re: [PATCH] hte: tegra-194: Convert to platform remove callback returning void
Date: Mon, 11 Mar 2024 17:04:05 +0100	[thread overview]
Message-ID: <CZR1QZ6F6QA4.2YFL58PNYHE0P@gmail.com> (raw)
In-Reply-To: <0b0a5d3816973ee88d4be9fe9f2349065a42cbff.1709886922.git.u.kleine-koenig@pengutronix.de>

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On Fri Mar 8, 2024 at 9:51 AM CET, 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@pengutronix.de>
> ---
>  drivers/hte/hte-tegra194-test.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

Acked-by: Thierry Reding <treding@nvidia.com>

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  reply	other threads:[~2024-03-11 16:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-08  8:51 [PATCH] hte: tegra-194: Convert to platform remove callback returning void Uwe Kleine-König
2024-03-11 16:04 ` Thierry Reding [this message]
2024-03-11 17:13   ` Dipen Patel
2024-03-11 20:36     ` Uwe Kleine-König
2024-04-12 12:35       ` Uwe Kleine-König
2024-04-12 17:49         ` Dipen Patel

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