Function rt_bypass_unregister

components/drivers/serial/bypass.c:268–301

}

rt_err_t rt_bypass_unregister(struct rt_serial_bypass_head* bypass, rt_uint8_t level)
{
    struct rt_list_node* node;
    struct rt_serial_bypass_func* temp_curr = RT_NULL;
    int flags;

    /*Can not unregister protect level in bypass it general be msh or tty*/
    if (level > RT_BYPASS_PROTECT_LEVEL_1)
        return -RT_ERROR;

    if (!bypass)
        return -RT_ERROR;

    node = bypass->head.next;
    flags = rt_spin_lock_irqsave(&(bypass->spinlock));

    do {
        temp_curr = rt_container_of(node, struct rt_serial_bypass_func, node);

        if (level == temp_curr->level)
        {
            rt_list_remove(node);
            rt_spin_unlock_irqrestore(&(bypass->spinlock), flags);
            rt_free(temp_curr);
            return RT_EOK;
        }

        node = node->next;
    } while (node != &bypass->head);

    LOG_E("Can't find bypass with level [%d]", level);
    rt_spin_unlock_irqrestore(&(bypass->spinlock), flags);
    return -RT_ERROR;
}

rt_err_t rt_bypass_upper_unregister(struct rt_serial_device* serial, rt_uint8_t level)
{