From ad9be163c5ba80e3e923be2b31c70d2c6fa27138 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Fri, 23 Feb 2024 13:59:04 +0100 Subject: media: chips-media: wave5: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Nicolas Dufresne Signed-off-by: Sebastian Fricke Signed-off-by: Hans Verkuil --- drivers/media/platform/chips-media/wave5/wave5-vpu.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/media/platform') diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu.c b/drivers/media/platform/chips-media/wave5/wave5-vpu.c index 0d90b5820bef..1b3df5b04249 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu.c @@ -250,7 +250,7 @@ err_clk_dis: return ret; } -static int wave5_vpu_remove(struct platform_device *pdev) +static void wave5_vpu_remove(struct platform_device *pdev) { struct vpu_device *dev = dev_get_drvdata(&pdev->dev); @@ -262,8 +262,6 @@ static int wave5_vpu_remove(struct platform_device *pdev) v4l2_device_unregister(&dev->v4l2_dev); wave5_vdi_release(&pdev->dev); ida_destroy(&dev->inst_ida); - - return 0; } static const struct wave5_match_data ti_wave521c_data = { @@ -283,7 +281,7 @@ static struct platform_driver wave5_vpu_driver = { .of_match_table = of_match_ptr(wave5_dt_ids), }, .probe = wave5_vpu_probe, - .remove = wave5_vpu_remove, + .remove_new = wave5_vpu_remove, }; module_platform_driver(wave5_vpu_driver); -- cgit v1.2.3