ACPI / property: avoid leaking format string into kobject name

The dn->name is expected to be used as a literal, so add the missing
"%s".

Fixes: 263b4c1a64bc (ACPI / property: Expose data-only subnodes via sysfs)
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 707cf6213bc2888b4cc1e09a0f851d232b9521c0..b9afb47db7ed98f23f140cd24433682b82d2274f 100644 (file)
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -104,7 +104,7 @@ static void acpi_expose_nondev_subnodes(struct kobject *kobj,
 
                init_completion(&dn->kobj_done);
                ret = kobject_init_and_add(&dn->kobj, &acpi_data_node_ktype,
-                                          kobj, dn->name);
+                                          kobj, "%s", dn->name);
                if (ret)
                        acpi_handle_err(dn->handle, "Failed to expose (%d)\n", ret);
                else