From 48e78e8cc87ab80617ef0c5a146701ca96a4a51d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 10 Jan 2012 15:09:21 -0800 Subject: [PATCH] backlight: convert platform_lcd to devm_kzalloc() Saves some error handling code and eliminates a class of leaks. Signed-off-by: Mark Brown Cc: Richard Purdie Cc: Florian Tobias Schandinat Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/backlight/platform_lcd.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c index 187da59e3a13..f0bf491ed087 100644 --- a/drivers/video/backlight/platform_lcd.c +++ b/drivers/video/backlight/platform_lcd.c @@ -85,7 +85,8 @@ static int __devinit platform_lcd_probe(struct platform_device *pdev) return -EINVAL; } - plcd = kzalloc(sizeof(struct platform_lcd), GFP_KERNEL); + plcd = devm_kzalloc(&pdev->dev, sizeof(struct platform_lcd), + GFP_KERNEL); if (!plcd) { dev_err(dev, "no memory for state\n"); return -ENOMEM; @@ -98,7 +99,7 @@ static int __devinit platform_lcd_probe(struct platform_device *pdev) if (IS_ERR(plcd->lcd)) { dev_err(dev, "cannot register lcd device\n"); err = PTR_ERR(plcd->lcd); - goto err_mem; + goto err; } platform_set_drvdata(pdev, plcd); @@ -106,8 +107,7 @@ static int __devinit platform_lcd_probe(struct platform_device *pdev) return 0; - err_mem: - kfree(plcd); + err: return err; } @@ -116,7 +116,6 @@ static int __devexit platform_lcd_remove(struct platform_device *pdev) struct platform_lcd *plcd = platform_get_drvdata(pdev); lcd_device_unregister(plcd->lcd); - kfree(plcd); return 0; }