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Diffstat (limited to 'drivers/acpi/dispatcher')
-rw-r--r--drivers/acpi/dispatcher/dsobject.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 954ac8ce958a..fe28b9aeb65c 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -370,6 +370,8 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc = NULL;
acpi_status status = AE_OK;
acpi_native_uint i;
+ u16 index;
+ u16 reference_count;
ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
@@ -447,6 +449,26 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
package.
elements[i]);
}
+
+ if (*obj_desc_ptr) {
+
+ /* Existing package, get existing reference count */
+
+ reference_count =
+ (*obj_desc_ptr)->common.reference_count;
+ if (reference_count > 1) {
+
+ /* Make new element ref count match original ref count */
+
+ for (index = 0; index < (reference_count - 1);
+ index++) {
+ acpi_ut_add_reference((obj_desc->
+ package.
+ elements[i]));
+ }
+ }
+ }
+
arg = arg->common.next;
}