From 31e354ee653c3d85e802a372f27224130fc95011 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Wed, 28 Mar 2012 15:11:47 -0400 Subject: [PATCH] hwmon: (acpi_power_meter) fix lockdep spew due to non-static lock class Similar to a30dcb4f which fixed asus_atk0110.ko, I recently received a bug report from someone hitting the same issue in acpi_power_meter. [ 13.963168] power_meter ACPI000D:00: Found ACPI power meter. [ 13.963900] BUG: key ffff8802161f3920 not in .data! [ 13.963904] ------------[ cut here ]------------ [ 13.963915] WARNING: at kernel/lockdep.c:2986 lockdep_init_map+0x52f/0x560() So let's fix that up for them by statically declaring the lockdep_class_key. Signed-off-by: Kyle McMartin Cc: stable@vger.kernel.org # 3.0+ Signed-off-by: Guenter Roeck --- drivers/hwmon/acpi_power_meter.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index 554f046bcf20..145f13580ff0 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -632,6 +632,7 @@ static int register_ro_attrs(struct acpi_power_meter_resource *resource, sensors->dev_attr.show = ro->show; sensors->index = ro->index; + sysfs_attr_init(&sensors->dev_attr.attr); res = device_create_file(dev, &sensors->dev_attr); if (res) { sensors->dev_attr.attr.name = NULL; @@ -661,6 +662,7 @@ static int register_rw_attrs(struct acpi_power_meter_resource *resource, sensors->dev_attr.store = rw->set; sensors->index = rw->index; + sysfs_attr_init(&sensors->dev_attr.attr); res = device_create_file(dev, &sensors->dev_attr); if (res) { sensors->dev_attr.attr.name = NULL; -- 2.20.1