diff options
| author | ikaros <void0red@gmail.com> | 2026-05-27 20:01:21 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-05-27 20:18:45 +0200 |
| commit | 6e8c55e13a5e3a9f38921d62924f18ceba3330eb (patch) | |
| tree | a6b81cc370739bd48b9acfb3eb4867c6723ea8be /drivers/acpi | |
| parent | e15aa60de0256d63df2331bf5a4bc4dd287504cd (diff) | |
ACPICA: Prevent adding invalid references
Prevent adding references for local, argument, and debug objects
in acpi_ut_copy_simple_object().
Link: https://github.com/acpica/acpica/commit/f576898d7814
Signed-off-by: ikaros <void0red@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/4511989.ejJDZkT8p0@rafael.j.wysocki
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/utcopy.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 80458e70ac2b..9ecf5c3f49ba 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -731,7 +731,15 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, break; } - acpi_ut_add_reference(source_desc->reference.object); + /* + * Local/Arg/Debug references do not have a valid Object pointer + * that can be referenced + */ + if ((source_desc->reference.class != ACPI_REFCLASS_LOCAL) && + (source_desc->reference.class != ACPI_REFCLASS_ARG) && + (source_desc->reference.class != ACPI_REFCLASS_DEBUG)) { + acpi_ut_add_reference(source_desc->reference.object); + } break; case ACPI_TYPE_REGION: |