1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 3253905428ea..2cf5649a6dc0 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1319,9 +1319,9 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
         uport = state->uart_port;
         port = &state->port;
 
-        pr_debug("uart_close(%d) called\n", uport->line);
+        pr_debug("uart_close(%d) called\n", uport ? uport->line : -1);
 
-        if (tty_port_close_start(port, tty, filp) == 0)
+        if (!port->count || tty_port_close_start(port, tty, filp) == 0)
                 return;
 
         /*