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From: "Thierry Reding" <thierry.reding@gmail.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"David Airlie" <airlied@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>
Cc: "Mikko Perttunen" <mperttunen@nvidia.com>,
	<dri-devel@lists.freedesktop.org>, <linux-tegra@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/4] gpu: host1x: Convert to platform remove callback returning void
Date: Fri, 19 Apr 2024 13:29:34 +0200	[thread overview]
Message-ID: <D0O2C1JJOF90.3MOQH6PE1M2SL@gmail.com> (raw)
In-Reply-To: <7e31909b1e536f0ddbb060b1aaa0a9e943687c8a.1712681770.git.u.kleine-koenig@pengutronix.de>

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On Tue Apr 9, 2024 at 7:02 PM CEST, 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/gpu/host1x/dev.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)

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

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  reply	other threads:[~2024-04-19 11:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-09 17:02 [PATCH 0/4] gpu: Convert to platform remove callback returning void Uwe Kleine-König
2024-04-09 17:02 ` [PATCH 1/4] drm/imagination: " Uwe Kleine-König
2024-04-16 19:15   ` Matt Coster
2024-04-23  8:29   ` Matt Coster
2024-04-09 17:02 ` [PATCH 2/4] drm/mediatek: " Uwe Kleine-König
2024-05-16  2:54   ` CK Hu (胡俊光)
2024-05-16 10:12   ` AngeloGioacchino Del Regno
2024-04-09 17:02 ` [PATCH 3/4] gpu: host1x: " Uwe Kleine-König
2024-04-19 11:29   ` Thierry Reding [this message]
2024-04-09 17:02 ` [PATCH 4/4] gpu: ipu-v3: " Uwe Kleine-König
2024-04-10  8:29   ` Philipp Zabel
2024-04-09 17:10 ` [PATCH 0/4] gpu: " Uwe Kleine-König
2024-04-09 18:59 ` Thomas Zimmermann
2024-04-19  7:20 ` Uwe Kleine-König
2024-04-19 11:28   ` Thierry Reding
2024-04-23  8:31   ` Matt Coster

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