71 register_fd_hook (close_hook_fn close_hook, ioctl_hook_fn ioctl_hook, struct fd_hook *link)  in register_fd_hook()  argument
78   if (link->private_next == NULL && link->private_prev == NULL)  in register_fd_hook()
81       link->private_next = anchor.private_next;  in register_fd_hook()
82       link->private_prev = &anchor;  in register_fd_hook()
83       link->private_close_fn = close_hook;  in register_fd_hook()
84       link->private_ioctl_fn = ioctl_hook;  in register_fd_hook()
85       anchor.private_next->private_prev = link;  in register_fd_hook()
86       anchor.private_next = link;  in register_fd_hook()
91       if (link->private_close_fn != close_hook  in register_fd_hook()
92           || link->private_ioctl_fn != ioctl_hook)  in register_fd_hook()
98 unregister_fd_hook (struct fd_hook *link)  in unregister_fd_hook()  argument
100   struct fd_hook *next = link->private_next;  in unregister_fd_hook()
101   struct fd_hook *prev = link->private_prev;  in unregister_fd_hook()
109       link->private_next = NULL;  in unregister_fd_hook()
110       link->private_prev = NULL;  in unregister_fd_hook()
111       link->private_close_fn = NULL;  in unregister_fd_hook()
112       link->private_ioctl_fn = NULL;  in unregister_fd_hook()