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authorBernard Xiong <[email protected]>2020-05-04 22:06:16 +0800
committerGitHub <[email protected]>2020-05-04 22:06:16 +0800
commit084996ddb510fdf62b17aaad8fcfffe9cf080b79 (patch)
tree72e8e4c69779998b33f214f98d2c5523a6c46f75
parent193bfc2008d5bc8b14c8ebdd84ec7ab463ad2efe (diff)
parent5bddcd378e18f838e8f9126f615bae42b0c37c9c (diff)
Merge pull request #3565 from OpenNuvoton/rtt_issues
Get stuck issue after open-close-open CAN device.
-rw-r--r--components/drivers/can/can.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/drivers/can/can.c b/components/drivers/can/can.c
index 3d60dbaa55..9f4612355b 100644
--- a/components/drivers/can/can.c
+++ b/components/drivers/can/can.c
@@ -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;