diff options
Diffstat (limited to 'kernel/drivers/tty/serial/serial_core.c')
| -rw-r--r-- | kernel/drivers/tty/serial/serial_core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/drivers/tty/serial/serial_core.c b/kernel/drivers/tty/serial/serial_core.c index 0b7bb12df..ec540445b 100644 --- a/kernel/drivers/tty/serial/serial_core.c +++ b/kernel/drivers/tty/serial/serial_core.c @@ -1409,7 +1409,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_lock(&port->mutex); uart_shutdown(tty, state); tty_port_tty_set(port, NULL); - tty->closing = 0; + spin_lock_irqsave(&port->lock, flags); if (port->blocked_open) { @@ -1435,6 +1435,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&port->mutex); tty_ldisc_flush(tty); + tty->closing = 0; } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) |