From b8b615b530a228feb81a0e91e16ffcf60102ebff Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 26 Mar 2023 16:32:19 +0200 Subject: [PATCH] media: vidtv_bridge: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 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 (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 Signed-off-by: Hans Verkuil --- drivers/media/test-drivers/vidtv/vidtv_bridge.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c index dff7265..8b04e12 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c +++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c @@ -528,7 +528,7 @@ err_dvb: return ret; } -static int vidtv_bridge_remove(struct platform_device *pdev) +static void vidtv_bridge_remove(struct platform_device *pdev) { struct vidtv_dvb *dvb; u32 i; @@ -552,8 +552,6 @@ static int vidtv_bridge_remove(struct platform_device *pdev) dvb_dmx_release(&dvb->demux); dvb_unregister_adapter(&dvb->adapter); dev_info(&pdev->dev, "Successfully removed vidtv\n"); - - return 0; } static void vidtv_bridge_dev_release(struct device *dev) @@ -574,7 +572,7 @@ static struct platform_driver vidtv_bridge_driver = { .name = VIDTV_PDEV_NAME, }, .probe = vidtv_bridge_probe, - .remove = vidtv_bridge_remove, + .remove_new = vidtv_bridge_remove, }; static void __exit vidtv_bridge_exit(void) -- 2.7.4