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Merge pull request #3565 from OpenNuvoton/rtt_issues 

Get stuck issue after open-close-open CAN device.
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Bernard Xiong 2020-05-04 22:06:16 +08:00 committed by GitHub
parent 193bfc2008 5bddcd378e
commit 084996ddb5
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components/drivers/can/can.c
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@ -422,6 +422,7 @@ static rt_err_t rt_can_close(struct rt_device *dev)
tx_fifo = (struct rt_can_tx_fifo *)can->can_tx;
RT_ASSERT(tx_fifo != RT_NULL);
rt_sem_detach(&(tx_fifo->sem));
rt_free(tx_fifo);
dev->open_flag &= ~RT_DEVICE_FLAG_INT_TX;
can->can_tx = RT_NULL;