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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Thierry Reding <thierry.reding@gmail.com>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	Jonathan Hunter <jonathanh@nvidia.com>
Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org,
	kernel@pengutronix.de
Subject: [PATCH 12/12] drm/tegra: vic: Convert to platform remove callback returning void
Date: Wed, 22 Mar 2023 18:02:23 +0100	[thread overview]
Message-ID: <20230322170223.410376-13-u.kleine-koenig@pengutronix.de> (raw)
In-Reply-To: <20230322170223.410376-1-u.kleine-koenig@pengutronix.de>

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 (mostly) ignored
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.

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/drm/tegra/vic.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index fd614756ecf8..da7a038dca20 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -537,15 +537,13 @@ static int vic_probe(struct platform_device *pdev)
 	return err;
 }
 
-static int vic_remove(struct platform_device *pdev)
+static void vic_remove(struct platform_device *pdev)
 {
 	struct vic *vic = platform_get_drvdata(pdev);
 
 	host1x_client_unregister(&vic->client.base);
 
 	falcon_exit(&vic->falcon);
-
-	return 0;
 }
 
 static const struct dev_pm_ops vic_pm_ops = {
@@ -560,7 +558,7 @@ struct platform_driver tegra_vic_driver = {
 		.pm = &vic_pm_ops
 	},
 	.probe = vic_probe,
-	.remove = vic_remove,
+	.remove_new = vic_remove,
 };
 
 #if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)
-- 
2.39.2


  parent reply	other threads:[~2023-03-22 17:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-22 17:02 [PATCH 00/12] drm/tegra: Convert to platform remove callback returning void Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 01/12] gpu: host1x: Make host1x_client_unregister() return void Uwe Kleine-König
2023-03-27  7:17   ` Hans Verkuil
2023-03-22 17:02 ` [PATCH 02/12] drm/tegra: rgb: Make tegra_dc_rgb_remove() " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 03/12] drm/tegra: dc: Convert to platform remove callback returning void Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 04/12] drm/tegra: dpaux: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 05/12] drm/tegra: dsi: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 06/12] drm/tegra: gr2d: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 07/12] drm/tegra: gr3d: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 08/12] drm/tegra: hdmi: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 09/12] drm/tegra: hub: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 10/12] drm/tegra: nvdec: " Uwe Kleine-König
2023-03-22 17:02 ` [PATCH 11/12] drm/tegra: sor: " Uwe Kleine-König
2023-03-22 17:02 ` Uwe Kleine-König [this message]
2023-04-04 12:14 ` [PATCH 00/12] drm/tegra: " Thierry Reding

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