1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c
index 966e7ea2a0c4..0e1a3226665d 100644
--- a/drivers/acpi/parser/pstree.c
+++ b/drivers/acpi/parser/pstree.c
@@ -171,6 +171,8 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
         while (arg) {
                 arg->common.parent = op;
                 arg = arg->common.next;
+
+                op->common.arg_list_length++;
         }
 }