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Diffstat (limited to 'drivers/acpi/parser/pswalk.c')
| -rw-r--r-- | drivers/acpi/parser/pswalk.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c index 06f05bfd761..3d08b8c6db4 100644 --- a/drivers/acpi/parser/pswalk.c +++ b/drivers/acpi/parser/pswalk.c @@ -69,13 +69,16 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *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; |