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* [PATCH] acpi_power_meter: fix lockdep spew due to non-static lock class
@ 2012-03-28 19:11 ` Kyle McMartin
  0 siblings, 0 replies; 4+ messages in thread
From: Kyle McMartin @ 2012-03-28 19:11 UTC (permalink / raw)
  To: linux-kernel; +Cc: khali, guenter.roeck, lm-sensors, djwong

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 <kyle@redhat.com>

--- 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;

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [lm-sensors] [PATCH] acpi_power_meter: fix lockdep spew due to non-static lock class
@ 2012-03-28 19:11 ` Kyle McMartin
  0 siblings, 0 replies; 4+ messages in thread
From: Kyle McMartin @ 2012-03-28 19:11 UTC (permalink / raw)
  To: linux-kernel; +Cc: khali, guenter.roeck, lm-sensors, djwong

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 <kyle@redhat.com>

--- 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;

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lm-sensors mailing list
lm-sensors@lm-sensors.org
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] acpi_power_meter: fix lockdep spew due to non-static lock class
  2012-03-28 19:11 ` [lm-sensors] " Kyle McMartin
@ 2012-03-28 19:55   ` Guenter Roeck
  -1 siblings, 0 replies; 4+ messages in thread
From: Guenter Roeck @ 2012-03-28 19:55 UTC (permalink / raw)
  To: Kyle McMartin; +Cc: linux-kernel, khali, lm-sensors, djwong

On Wed, 2012-03-28 at 15:11 -0400, Kyle McMartin wrote:
> 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 <kyle@redhat.com>
> 
Applied.

Thanks,
Guenter



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [lm-sensors] [PATCH] acpi_power_meter: fix lockdep spew due to non-static lock class
@ 2012-03-28 19:55   ` Guenter Roeck
  0 siblings, 0 replies; 4+ messages in thread
From: Guenter Roeck @ 2012-03-28 19:55 UTC (permalink / raw)
  To: Kyle McMartin; +Cc: linux-kernel, khali, lm-sensors, djwong

On Wed, 2012-03-28 at 15:11 -0400, Kyle McMartin wrote:
> 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 <kyle@redhat.com>
> 
Applied.

Thanks,
Guenter



_______________________________________________
lm-sensors mailing list
lm-sensors@lm-sensors.org
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2012-03-28 19:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-03-28 19:11 [PATCH] acpi_power_meter: fix lockdep spew due to non-static lock class Kyle McMartin
2012-03-28 19:11 ` [lm-sensors] " Kyle McMartin
2012-03-28 19:55 ` Guenter Roeck
2012-03-28 19:55   ` [lm-sensors] " Guenter Roeck

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