From: void0red <30990023+void0red@xxxxxxxxxxxxxxxxxxxxxxxx> [ Upstream commit ae5a0eccc85fc960834dd66e3befc2728284b86c ] ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4 ACPI_ALLOCATE_ZEROED may fails, object_info might be null and will cause null pointer dereference later. Link: https://github.com/acpica/acpica/commit/0d5f467d Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/acpi/acpica/dbnames.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 3615e1a6efd8a..b91155ea9c343 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -652,6 +652,9 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg) object_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info)); + if (!object_info) + return (AE_NO_MEMORY); + /* Walk the namespace from the root */ (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, -- 2.39.2
