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leds-88pm860x: use devm_kzalloc function

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Using devm_kzalloc will remove all the error checks and the frees are automatically done at the driver unload side.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Devendra Naga 2012-07-02 18:15:43 +08:00 committed by Bryan Wu
parent 5391dd0a9d
commit b523cfe61b
1 changed files with 2 additions and 7 deletions
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9
drivers/leds/leds-88pm860x.c
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@ -209,7 +209,7 @@ static int pm860x_led_probe(struct platform_device *pdev)
return -EINVAL;
}
data = kzalloc(sizeof(struct pm860x_led), GFP_KERNEL);
data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_led), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
strncpy(data->name, res->name, MFD_NAME_SIZE - 1);
@ -220,7 +220,6 @@ static int pm860x_led_probe(struct platform_device *pdev)
data->port = pdata->flags;
if (data->port < 0) {
dev_err(&pdev->dev, "check device failed\n");
kfree(data);
return -EINVAL;
}
@ -233,13 +232,10 @@ static int pm860x_led_probe(struct platform_device *pdev)
ret = led_classdev_register(chip->dev, &data->cdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
goto out;
return ret;
}
pm860x_led_set(&data->cdev, 0);
return 0;
out:
kfree(data);
return ret;
}
static int pm860x_led_remove(struct platform_device *pdev)
@ -247,7 +243,6 @@ static int pm860x_led_remove(struct platform_device *pdev)
struct pm860x_led *data = platform_get_drvdata(pdev);
led_classdev_unregister(&data->cdev);
kfree(data);
return 0;
}