diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/acpi/parser/pswalk.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c index 06f05bfd7612..a84a547a0f1b 100644 --- a/drivers/acpi/parser/pswalk.c +++ b/drivers/acpi/parser/pswalk.c @@ -64,18 +64,21 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root) union acpi_parse_object *next = NULL; union acpi_parse_object *parent = NULL; - ACPI_FUNCTION_TRACE_PTR("ps_delete_parse_tree", subtree_root); + ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root); /* Visit all nodes in the subtree */ while (op) { + /* Check if we are not ascending */ if (op != parent) { + /* Look for an argument or child of the current op */ next = acpi_ps_get_arg(op, 0); if (next) { + /* Still going downward in tree (Op is not completed yet) */ op = next; |