[PATCH 2/5] ACPI: battery: allocate driver data through devm_ APIs

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Simplify the cleanup logic a bit.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
 drivers/acpi/battery.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 677618eb38bf..a778bf6a6c4e 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1215,7 +1215,7 @@ static int acpi_battery_add(struct acpi_device *device)
 	if (device->dep_unmet)
 		return -EPROBE_DEFER;
 
-	battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL);
+	battery = devm_kzalloc(&device->dev, sizeof(*battery), GFP_KERNEL);
 	if (!battery)
 		return -ENOMEM;
 	battery->device = device;
@@ -1255,7 +1255,6 @@ static int acpi_battery_add(struct acpi_device *device)
 	sysfs_remove_battery(battery);
 	mutex_destroy(&battery->lock);
 	mutex_destroy(&battery->sysfs_lock);
-	kfree(battery);
 
 	return result;
 }
@@ -1278,7 +1277,6 @@ static void acpi_battery_remove(struct acpi_device *device)
 
 	mutex_destroy(&battery->lock);
 	mutex_destroy(&battery->sysfs_lock);
-	kfree(battery);
 }
 
 #ifdef CONFIG_PM_SLEEP

-- 
2.46.0





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