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authorLin Ming <ming.m.lin@intel.com>2008-02-29 07:38:54 +0800
committerLen Brown <len.brown@intel.com>2008-03-11 00:15:19 -0400
commitc8d16e27a3601d1cbcdfe657eb4ff5e762019e8d (patch)
tree02d4059d80872251995fa21d4f44c47087a5855e
parent2f44bbb495dd3e6d0209eff2257438ab9c570e5b (diff)
ACPI: fix boot oops regression in thermal
Fix a memory overflow bug when copying NULL internal package element object to external. http://bugzilla.kernel.org/show_bug.cgi?id=10132 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--drivers/acpi/utilities/utobject.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 76ee766c84f..e08b3fa6639 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -432,7 +432,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
* element -- which is legal)
*/
if (!internal_object) {
- *obj_length = 0;
+ *obj_length = sizeof(union acpi_object);
return_ACPI_STATUS(AE_OK);
}