diff options
Diffstat (limited to 'nuttx/drivers/serial/serial.c')
| -rw-r--r-- | nuttx/drivers/serial/serial.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nuttx/drivers/serial/serial.c b/nuttx/drivers/serial/serial.c index 0548d8c25..9c6acf2ee 100644 --- a/nuttx/drivers/serial/serial.c +++ b/nuttx/drivers/serial/serial.c @@ -1041,8 +1041,11 @@ void uart_datasent(FAR uart_dev_t *dev) #ifdef CONFIG_SERIAL_REMOVABLE void uart_connected(FAR uart_dev_t *dev, bool connected) { + irqstate_t flags; + /* Is the device disconnected? */ + flags = irqsave(); dev->disconnected = !connected; if (!connected) { @@ -1070,10 +1073,12 @@ void uart_connected(FAR uart_dev_t *dev, bool connected) (void)sem_post(&dev->recvsem); } - /* Notify all poll/select waiters that and hangup/error occurred */ + /* Notify all poll/select waiters that and hangup occurred */ uart_pollnotify(dev, (POLLERR|POLLHUP)); } + + irqrestore(flags); } #endif |