[PATCH 05/25] leds: convert DA9030/DA9034 LED driver to devm_kzalloc() and cleanup error exit path

From: Bryan Wu
Date: Wed Jul 04 2012 - 01:11:07 EST


Cc: Eric Miao <eric.miao@xxxxxxxxxxxxx>
Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
---
drivers/leds/leds-da903x.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
index d9cd73e..cc77c9d 100644
--- a/drivers/leds/leds-da903x.c
+++ b/drivers/leds/leds-da903x.c
@@ -108,7 +108,7 @@ static int __devinit da903x_led_probe(struct platform_device *pdev)
return -EINVAL;
}

- led = kzalloc(sizeof(struct da903x_led), GFP_KERNEL);
+ led = devm_kzalloc(&pdev->dev, sizeof(struct da903x_led), GFP_KERNEL);
if (led == NULL) {
dev_err(&pdev->dev, "failed to alloc memory for LED%d\n", id);
return -ENOMEM;
@@ -129,15 +129,11 @@ static int __devinit da903x_led_probe(struct platform_device *pdev)
ret = led_classdev_register(led->master, &led->cdev);
if (ret) {
dev_err(&pdev->dev, "failed to register LED %d\n", id);
- goto err;
+ return ret;
}

platform_set_drvdata(pdev, led);
return 0;
-
-err:
- kfree(led);
- return ret;
}

static int __devexit da903x_led_remove(struct platform_device *pdev)
@@ -145,7 +141,6 @@ static int __devexit da903x_led_remove(struct platform_device *pdev)
struct da903x_led *led = platform_get_drvdata(pdev);

led_classdev_unregister(&led->cdev);
- kfree(led);
return 0;
}

--
1.7.10.4

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