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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-03-26 16:32:22 +0200
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2023-04-11 16:59:21 +0200
commit1727b7164705c09553f1213217501eaf8fbad9ad (patch)
tree694ed1bc85fbeef614323474f923ee094a0a441c /drivers/media/test-drivers
parent19136807ad6931f2a3bc92dc9aa3deb29024b0c3 (diff)
media: visl-core: Convert to platform remove callback returning void
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> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/test-drivers')
-rw-r--r--drivers/media/test-drivers/visl/visl-core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c
index 9cb60ab653bf..9970dc739ca5 100644
--- a/drivers/media/test-drivers/visl/visl-core.c
+++ b/drivers/media/test-drivers/visl/visl-core.c
@@ -480,7 +480,7 @@ error_visl_dev:
return ret;
}
-static int visl_remove(struct platform_device *pdev)
+static void visl_remove(struct platform_device *pdev)
{
struct visl_dev *dev = platform_get_drvdata(pdev);
@@ -493,13 +493,11 @@ static int visl_remove(struct platform_device *pdev)
}
#endif
video_unregister_device(&dev->vfd);
-
- return 0;
}
static struct platform_driver visl_pdrv = {
.probe = visl_probe,
- .remove = visl_remove,
+ .remove_new = visl_remove,
.driver = {
.name = VISL_NAME,
},