RT-Thread
/
rt-thread
mirror of https://github.com/RT-Thread/rt-thread
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[components][serial]关闭uart时，反初始化tx_dma->data_queue，防止内存泄漏

This commit is contained in:
yangjie 2020-04-10 18:41:59 +08:00
parent 6375094569
commit cb9bc38ec9
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
components/drivers/serial/serial.c
View File

@ -785,6 +785,8 @@ static rt_err_t rt_serial_close(struct rt_device *dev)
tx_dma = (struct rt_serial_tx_dma*)serial->serial_tx; tx_dma = (struct rt_serial_tx_dma*)serial->serial_tx;
RT_ASSERT(tx_dma != RT_NULL); RT_ASSERT(tx_dma != RT_NULL);
rt_data_queue_deinit(&(tx_dma->data_queue));
rt_free(tx_dma); rt_free(tx_dma);
serial->serial_tx = RT_NULL; serial->serial_tx = RT_NULL;
dev->open_flag &= ~RT_DEVICE_FLAG_DMA_TX; dev->open_flag &= ~RT_DEVICE_FLAG_DMA_TX;