diff options
Diffstat (limited to 'drivers/acpi/acpica/nswalk.c')
| -rw-r--r-- | drivers/acpi/acpica/nswalk.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index b7f3e8603ad8..5670ff5a43cd 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -3,7 +3,7 @@ * * Module Name: nswalk - Functions for walking the ACPI namespace * - * Copyright (C) 2000 - 2020, Intel Corp. + * Copyright (C) 2000 - 2025, Intel Corp. * *****************************************************************************/ @@ -171,6 +171,12 @@ acpi_ns_walk_namespace(acpi_object_type type, start_node = acpi_gbl_root_node; } + /* Avoid walking the namespace if the StartNode is NULL */ + + if (!start_node) { + return_ACPI_STATUS(AE_NO_NAMESPACE); + } + /* Null child means "get first node" */ parent_node = start_node; |