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ACPI: battery: initialize mutexes through devm_ APIs

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[ Upstream commit 0710c1ce50455ed0db91bffa0eebbaa4f69b1773 ]

Simplify the cleanup logic a bit.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240904-acpi-battery-cleanups-v1-3-a3bf74f22d40@weissschuh.net
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: 399dbcadc01e ("ACPI: battery: Add synchronization between interface updates")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh
2025-10-16 09:54:10 -04:00
committed by Greg Kroah-Hartman
parent 346975d626
commit e6c83bbb01
1 changed files with 2 additions and 7 deletions
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9
drivers/acpi/battery.c
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@@ -1210,8 +1210,8 @@ static int acpi_battery_add(struct acpi_device *device)
strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
device->driver_data = battery;
mutex_init(&battery->lock);
mutex_init(&battery->sysfs_lock);
devm_mutex_init(&device->dev, &battery->lock);
devm_mutex_init(&device->dev, &battery->sysfs_lock);
if (acpi_has_method(battery->device->handle, "_BIX"))
set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
@@ -1239,8 +1239,6 @@ fail_pm:
unregister_pm_notifier(&battery->pm_nb);
fail:
sysfs_remove_battery(battery);
mutex_destroy(&battery->lock);
mutex_destroy(&battery->sysfs_lock);
return result;
}
@@ -1260,9 +1258,6 @@ static void acpi_battery_remove(struct acpi_device *device)
device_init_wakeup(&device->dev, 0);
unregister_pm_notifier(&battery->pm_nb);
sysfs_remove_battery(battery);
mutex_destroy(&battery->lock);
mutex_destroy(&battery->sysfs_lock);
}
#ifdef CONFIG_PM_SLEEP