475 	struct sighand_struct *sighand;  in posix_cpu_timer_del()  local
489 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_del()
490 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_del()
630 	struct sighand_struct *sighand;  in posix_cpu_timer_set()  local
656 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
661 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_set()
772 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
773 		if (!sighand)  in posix_cpu_timer_set()
1052 	struct sighand_struct *sighand;  in posix_cpu_timer_rearm()  local
1062 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_rearm()
1063 	if (unlikely(sighand == NULL))  in posix_cpu_timer_rearm()