1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 8be3f39891c7..794b5ffe4397 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -281,6 +281,7 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
                         if (tty->driver_data)
                                 tty->driver_data = NULL;
                         tty_port_tty_set(&port->port, NULL);
+                        tty_kref_put(tty);
                 }
         }