[PATCH 3/5] compal-laptop: Use devm_kzalloc to allocate local data structure

From: Guenter Roeck
Date: Sat Nov 23 2013 - 14:03:39 EST


Reduce code size and simplify error path.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/platform/x86/compal-laptop.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 8b119a7..9deb035 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -1026,24 +1026,21 @@ static int compal_probe(struct platform_device *pdev)
return 0;

/* Fan control */
- data = kzalloc(sizeof(struct compal_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct compal_data), GFP_KERNEL);
if (!data)
return -ENOMEM;

initialize_fan_control_data(data);

err = sysfs_create_group(&pdev->dev.kobj, &compal_attribute_group);
- if (err) {
- kfree(data);
+ if (err)
return err;
- }

data->hwmon_dev = hwmon_device_register(&pdev->dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj,
&compal_attribute_group);
- kfree(data);
return err;
}

@@ -1083,8 +1080,6 @@ static int compal_remove(struct platform_device *pdev)
hwmon_device_unregister(data->hwmon_dev);
power_supply_unregister(&data->psy);

- kfree(data);
-
sysfs_remove_group(&pdev->dev.kobj, &compal_attribute_group);

return 0;
--
1.7.9.7

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