../kernel/time/posix-timers.c:89:1: warning: unused function 'class_lock_timer_lock_err' [-Wunused-function]
   89 | DEFINE_CLASS_IS_COND_GUARD(lock_timer);
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/cleanup.h:376:2: note: expanded from macro 'DEFINE_CLASS_IS_COND_GUARD'
  376 |         __DEFINE_GUARD_LOCK_PTR(_name, _T)
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/cleanup.h:358:20: note: expanded from macro '__DEFINE_GUARD_LOCK_PTR'
  358 |         static inline int class_##_name##_lock_err(class_##_name##_t *_T)   \
      |                           ^~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:47:1: note: expanded from here
   47 | class_lock_timer_lock_err
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
../kernel/time/posix-timers.c:89:1: warning: unused function 'class_lock_timer_lock_err' [-Wunused-function]
   89 | DEFINE_CLASS_IS_COND_GUARD(lock_timer);
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/cleanup.h:376:2: note: expanded from macro 'DEFINE_CLASS_IS_COND_GUARD'
  376 |         __DEFINE_GUARD_LOCK_PTR(_name, _T)
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/cleanup.h:358:20: note: expanded from macro '__DEFINE_GUARD_LOCK_PTR'
  358 |         static inline int class_##_name##_lock_err(class_##_name##_t *_T)   \
      |                           ^~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:47:1: note: expanded from here
   47 | class_lock_timer_lock_err
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.