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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 03:28:48 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 03:28:48 +0400 |
| commit | afdca01c9821134e71011029a194dd8fcb88c97e (patch) | |
| tree | c3a4862547760c3aaae5a8260ba3796a40bf47a6 /drivers/acpi/acpica/nspredef.c | |
| parent | 4b319f290d3b9c756228a66f72095d0039ec1b50 (diff) | |
| parent | 36b99b22877bd25162239f1b00477ee6ae2d01ee (diff) | |
| download | linux-afdca01c9821134e71011029a194dd8fcb88c97e.tar.xz | |
Merge branch 'acpica'
* acpica:
ACPICA: Update version to 20130725.
ACPICA: Update names for walk_namespace callbacks to clarify usage.
ACPICA: Return error if DerefOf resolves to a null package element.
ACPICA: Make ACPI Power Management Timer (PM Timer) optional.
ACPICA: Fix divergences of the commit - ACPICA: Expose OSI version.
ACPICA: Fix possible fault for methods that optionally have no return value.
ACPICA: DeRefOf operator: Update to fully resolve FieldUnit and BufferField refs.
ACPICA: Emit all unresolved method externals in a text block
ACPICA: Export acpi_tb_validate_rsdp().
ACPI: Add facility to remove all _OSI strings
ACPI: Add facility to disable all _OSI OS vendor strings
ACPICA: Add acpi_update_interfaces() public interface
ACPICA: Update version to 20130626
ACPICA: Fix compiler warnings for casting issues (only some compilers)
ACPICA: Remove restriction of 256 maximum GPEs in any GPE block
ACPICA: Disassembler: Expand maximum output string length to 64K
ACPICA: TableManager: Export acpi_tb_scan_memory_for_rsdp()
ACPICA: Update comments about behavior when _STA does not exist
Diffstat (limited to 'drivers/acpi/acpica/nspredef.c')
| -rw-r--r-- | drivers/acpi/acpica/nspredef.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index 24b71a01bf93..098e7666cbc9 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -151,6 +151,15 @@ acpi_ns_check_return_value(struct acpi_namespace_node *node, } /* + * + * 4) If there is no return value and it is optional, just return + * AE_OK (_WAK). + */ + if (!(*return_object_ptr)) { + goto exit; + } + + /* * For returned Package objects, check the type of all sub-objects. * Note: Package may have been newly created by call above. */ @@ -268,7 +277,12 @@ acpi_ns_check_object_type(struct acpi_evaluate_info *info, acpi_ut_get_expected_return_types(type_buffer, expected_btypes); - if (package_index == ACPI_NOT_PACKAGE_ELEMENT) { + if (!return_object) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, + "Expected return object of type %s", + type_buffer)); + } else if (package_index == ACPI_NOT_PACKAGE_ELEMENT) { ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, info->node_flags, "Return type mismatch - found %s, expected %s", |