diff options
Diffstat (limited to 'drivers/acpi/acpica/nswalk.c')
| -rw-r--r-- | drivers/acpi/acpica/nswalk.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 915c2433463d..82a0dae349e2 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 - 2021, Intel Corp. + * Copyright (C) 2000 - 2022, Intel Corp. * *****************************************************************************/ @@ -169,6 +169,9 @@ acpi_ns_walk_namespace(acpi_object_type type, if (start_node == ACPI_ROOT_OBJECT) { start_node = acpi_gbl_root_node; + if (!start_node) { + return_ACPI_STATUS(AE_NO_NAMESPACE); + } } /* Null child means "get first node" */ |