ds2780_battery: Use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

diff --git a/drivers/power/ds2780_battery.c b/drivers/power/ds2780_battery.c
index 8b6c4539e7f409cac61c885060a578467d0d1464..9f418fa879e5027141414444e619d64db0a73d64 100644 (file)
--- a/drivers/power/ds2780_battery.c
+++ b/drivers/power/ds2780_battery.c
@@ -760,7 +760,7 @@ static int ds2780_battery_probe(struct platform_device *pdev)
        int ret = 0;
        struct ds2780_device_info *dev_info;
 
-       dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
+       dev_info = devm_kzalloc(&pdev->dev, sizeof(*dev_info), GFP_KERNEL);
        if (!dev_info) {
                ret = -ENOMEM;
                goto fail;
@@ -779,7 +779,7 @@ static int ds2780_battery_probe(struct platform_device *pdev)
        ret = power_supply_register(&pdev->dev, &dev_info->bat);
        if (ret) {
                dev_err(dev_info->dev, "failed to register battery\n");
-               goto fail_free_info;
+               goto fail;
        }
 
        ret = sysfs_create_group(&dev_info->bat.dev->kobj, &ds2780_attr_group);
@@ -813,8 +813,6 @@ fail_remove_group:
        sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2780_attr_group);
 fail_unregister:
        power_supply_unregister(&dev_info->bat);
-fail_free_info:
-       kfree(dev_info);
 fail:
        return ret;
 }
@@ -828,7 +826,6 @@ static int ds2780_battery_remove(struct platform_device *pdev)
 
        power_supply_unregister(&dev_info->bat);
 
-       kfree(dev_info);
        return 0;
 }