[DeviceDrivers] Remove compiling warning in workqueue.
@@ -219,8 +219,6 @@ rt_err_t rt_workqueue_cancel_work_sync(struct rt_workqueue* queue, struct rt_wor
level = rt_hw_interrupt_disable();
if (queue->work_current == work) /* it's current work in the queue */
{
- rt_uint32_t recv;
-
/* wait for work completion */
rt_sem_take(&(queue->sem), RT_WAITING_FOREVER);
}
