From 49f49d64348985d893eb919f48f77311ba2678fe Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Fri, 20 Oct 2023 09:55:26 +0200 Subject: crypto: amcc/crypto4xx - 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/amcc/crypto4xx_core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/crypto') diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index d553f3f1efbe..8d53372245ad 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -1507,7 +1507,7 @@ err_alloc_dev: return rc; } -static int crypto4xx_remove(struct platform_device *ofdev) +static void crypto4xx_remove(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; struct crypto4xx_core_device *core_dev = dev_get_drvdata(dev); @@ -1523,8 +1523,6 @@ static int crypto4xx_remove(struct platform_device *ofdev) mutex_destroy(&core_dev->rng_lock); /* Free all allocated memory */ crypto4xx_stop_all(core_dev); - - return 0; } static const struct of_device_id crypto4xx_match[] = { @@ -1539,7 +1537,7 @@ static struct platform_driver crypto4xx_driver = { .of_match_table = crypto4xx_match, }, .probe = crypto4xx_probe, - .remove = crypto4xx_remove, + .remove_new = crypto4xx_remove, }; module_platform_driver(crypto4xx_driver); -- cgit v1.2.3