[PATCH 6/6] Document locked_down LSM hook

[Matthew Garrett]

The kbuild test robot pointed out that this wasn't documented.

Reported-by: kbuild test robot <lkp at intel.com>
Fixes: c360be6c ("security: Add a "locked down" LSM hook")
Signed-off-by: Matthew Garrett <mjg59 at google.com>
---
 include/linux/lsm_hooks.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 5ec2912c8661..2f4ba9062fb8 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1446,6 +1446,11 @@
  * @bpf_prog_free_security:
  *	Clean up the security information stored inside bpf prog.
  *
+ * @locked_down
+ *     Determine whether a kernel feature that potentially enables arbitrary
+ *     code execution in kernel space should be permitted.
+ *
+ *     @what: kernel feature being accessed
  */
 union security_list_options {
 	int (*binder_set_context_mgr)(struct task_struct *mgr);
-- 
2.23.0.rc1.153.gdeed80330f-goog