531 	if (!f.file)  in pidfd_get_pid()
534 	pid = pidfd_pid(f.file);  in pidfd_get_pid()
537 		*flags = f.file->f_flags;  in pidfd_get_pid()
669 static struct file *__pidfd_fget(struct task_struct *task, int fd)  in __pidfd_fget()
671 	struct file *file;  in __pidfd_fget()  local
679 		file = fget_task(task, fd);  in __pidfd_fget()
681 		file = ERR_PTR(-EPERM);  in __pidfd_fget()
685 	return file ?: ERR_PTR(-EBADF);  in __pidfd_fget()
691 	struct file *file;  in pidfd_getfd()  local
698 	file = __pidfd_fget(task, fd);  in pidfd_getfd()
700 	if (IS_ERR(file))  in pidfd_getfd()
701 		return PTR_ERR(file);  in pidfd_getfd()
703 	ret = receive_fd(file, O_CLOEXEC);  in pidfd_getfd()
704 	fput(file);  in pidfd_getfd()
737 	if (!f.file)  in SYSCALL_DEFINE3()
740 	pid = pidfd_pid(f.file);  in SYSCALL_DEFINE3()