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        return 0;

}

#endif /* CONFIG_KEYS_DEBUG_PROC_KEYS */

/*****************************************************************************/
/*
 * implement "/proc/key-users" to provides a list of the key users
 */
static int proc_key_users_open(struct inode *inode, struct file *file)
{
        return seq_open(file, &proc_key_users_ops);

}

static void *proc_key_users_start(struct seq_file *p, loff_t *_pos)
{
        struct rb_node *_p;
        loff_t pos = *_pos;

        spin_lock(&key_user_lock);

        _p = rb_first(&key_user_tree);
        while (pos > 0 && _p) {
                pos--;
                _p = rb_next(_p);
        }

        return _p;

}

static void *proc_key_users_next(struct seq_file *p, void *v, loff_t *_pos)
{
        (*_pos)++;
        return rb_next((struct rb_node *) v);

}