From: Yangtao Li Date: Wed, 12 Jul 2023 09:33:14 +0000 (+0800) Subject: cpufreq: davinci: Convert to platform remove callback returning void X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=463ff6d4d42d5672b0835e10a8144ba1832c497f;p=linux.git cpufreq: davinci: 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. Cc: Uwe Kleine-König Signed-off-by: Yangtao Li Signed-off-by: Viresh Kumar --- diff --git a/drivers/cpufreq/davinci-cpufreq.c b/drivers/cpufreq/davinci-cpufreq.c index ebb3a81026816..7d2754411d8c8 100644 --- a/drivers/cpufreq/davinci-cpufreq.c +++ b/drivers/cpufreq/davinci-cpufreq.c @@ -131,7 +131,7 @@ static int __init davinci_cpufreq_probe(struct platform_device *pdev) return cpufreq_register_driver(&davinci_driver); } -static int __exit davinci_cpufreq_remove(struct platform_device *pdev) +static void __exit davinci_cpufreq_remove(struct platform_device *pdev) { cpufreq_unregister_driver(&davinci_driver); @@ -139,15 +139,13 @@ static int __exit davinci_cpufreq_remove(struct platform_device *pdev) if (cpufreq.asyncclk) clk_put(cpufreq.asyncclk); - - return 0; } static struct platform_driver davinci_cpufreq_driver = { .driver = { .name = "cpufreq-davinci", }, - .remove = __exit_p(davinci_cpufreq_remove), + .remove_new = __exit_p(davinci_cpufreq_remove), }; int __init davinci_cpufreq_init(void)