[PATCH 06/14] power: ds2780_battery: use devm_kzalloc()

From: Jingoo Han
Date: Mon Mar 11 2013 - 02:33:13 EST


Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/power/ds2780_battery.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/power/ds2780_battery.c b/drivers/power/ds2780_battery.c
index 8b6c453..9f418fa 100644
--- 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;
}

--
1.7.2.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/