From 5c5d9715c693b6be52a609892e1d3a6415defabe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 20 Oct 2023 09:55:42 +0200 Subject: [PATCH] crypto: img-hash - 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 Signed-off-by: Herbert Xu --- drivers/crypto/img-hash.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index 45063693859c..d269036bdaa3 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -1043,7 +1043,7 @@ res_err: return err; } -static int img_hash_remove(struct platform_device *pdev) +static void img_hash_remove(struct platform_device *pdev) { struct img_hash_dev *hdev; @@ -1061,8 +1061,6 @@ static int img_hash_remove(struct platform_device *pdev) clk_disable_unprepare(hdev->hash_clk); clk_disable_unprepare(hdev->sys_clk); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -1101,7 +1099,7 @@ static const struct dev_pm_ops img_hash_pm_ops = { static struct platform_driver img_hash_driver = { .probe = img_hash_probe, - .remove = img_hash_remove, + .remove_new = img_hash_remove, .driver = { .name = "img-hash-accelerator", .pm = &img_hash_pm_ops,