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* [patch for 2.6.34? 1/1] power_meter: acpi_device_class "power_meter_resource" too long
@ 2010-04-27 21:01 akpm
  2010-04-28 17:25 ` Darrick J. Wong
  2010-04-29  1:06 ` Len Brown
  0 siblings, 2 replies; 3+ messages in thread
From: akpm @ 2010-04-27 21:01 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi, akpm, error27, djwong, stable

From: Dan Carpenter <error27@gmail.com>

acpi_device_class can only be 19 characters and a NULL terminator.

The current code has a buffer overflow in acpi_power_meter_add():
       strcpy(acpi_device_class(device), ACPI_POWER_METER_CLASS);

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/acpi/power_meter.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/acpi/power_meter.c~power_meter-acpi_device_class-power_meter_resource-too-long drivers/acpi/power_meter.c
--- a/drivers/acpi/power_meter.c~power_meter-acpi_device_class-power_meter_resource-too-long
+++ a/drivers/acpi/power_meter.c
@@ -35,7 +35,7 @@
 #define ACPI_POWER_METER_NAME		"power_meter"
 ACPI_MODULE_NAME(ACPI_POWER_METER_NAME);
 #define ACPI_POWER_METER_DEVICE_NAME	"Power Meter"
-#define ACPI_POWER_METER_CLASS		"power_meter_resource"
+#define ACPI_POWER_METER_CLASS		"pwr_meter_resource"
 
 #define NUM_SENSORS			17
 
_

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-05-01  1:44 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2010-04-27 21:01 [patch for 2.6.34? 1/1] power_meter: acpi_device_class "power_meter_resource" too long akpm
2010-04-28 17:25 ` Darrick J. Wong
2010-04-29  1:06 ` Len Brown

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