530 	if (!f.file)  in pidfd_get_pid()
533 	pid = pidfd_pid(f.file);  in pidfd_get_pid()
536 		*flags = f.file->f_flags;  in pidfd_get_pid()
627 static struct file *__pidfd_fget(struct task_struct *task, int fd)  in __pidfd_fget()
629 	struct file *file;  in __pidfd_fget()  local
637 		file = fget_task(task, fd);  in __pidfd_fget()
639 		file = ERR_PTR(-EPERM);  in __pidfd_fget()
643 	return file ?: ERR_PTR(-EBADF);  in __pidfd_fget()
649 	struct file *file;  in pidfd_getfd()  local
656 	file = __pidfd_fget(task, fd);  in pidfd_getfd()
658 	if (IS_ERR(file))  in pidfd_getfd()
659 		return PTR_ERR(file);  in pidfd_getfd()
661 	ret = receive_fd(file, O_CLOEXEC);  in pidfd_getfd()
662 	fput(file);  in pidfd_getfd()
695 	if (!f.file)  in SYSCALL_DEFINE3()
698 	pid = pidfd_pid(f.file);  in SYSCALL_DEFINE3()