From: Lin Ming <ming.m.lin@xxxxxxxxx>
Fix a memory overflow bug when copying NULL internal package element object to
external.
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/acpi/utilities/utobject.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/acpi/utilities/utobject.c~acpi-fix-overflow drivers/acpi/utilities/utobject.c
--- a/drivers/acpi/utilities/utobject.c~acpi-fix-overflow
+++ a/drivers/acpi/utilities/utobject.c
@@ -432,7 +432,7 @@ acpi_ut_get_simple_object_size(union acp
* element -- which is legal)
*/
if (!internal_object) {
- *obj_length = 0;
+ *obj_length = sizeof(union acpi_object);
return_ACPI_STATUS(AE_OK);
}
_
--
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