From: Uwe Kleine-König Date: Mon, 17 Jul 2023 14:27:43 +0000 (+0200) Subject: gpio: mvebu: Make use of devm_pwmchip_add X-Git-Tag: v5.15.124~148 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a999660042afd12706912b7ce44776d20dd4d489;p=thirdparty%2Fkernel%2Fstable.git gpio: mvebu: Make use of devm_pwmchip_add [ Upstream commit 1945063eb59e64d2919cb14d54d081476d9e53bb ] This allows to get rid of a call to pwmchip_remove() in the error path. There is no .remove function for this driver, so this change fixes a resource leak when a gpio-mvebu device is unbound. Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support") Signed-off-by: Uwe Kleine-König Reviewed-by: Andy Shevchenko Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index a245bfd5a6173..4d64b3358c50c 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -874,7 +874,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, spin_lock_init(&mvpwm->lock); - return pwmchip_add(&mvpwm->chip); + return devm_pwmchip_add(dev, &mvpwm->chip); } #ifdef CONFIG_DEBUG_FS @@ -1244,8 +1244,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) if (!mvchip->domain) { dev_err(&pdev->dev, "couldn't allocate irq domain %s (DT).\n", mvchip->chip.label); - err = -ENODEV; - goto err_pwm; + return -ENODEV; } err = irq_alloc_domain_generic_chips( @@ -1297,9 +1296,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) err_domain: irq_domain_remove(mvchip->domain); -err_pwm: - pwmchip_remove(&mvchip->mvpwm->chip); - return err; }