1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index fe84c88ec20c..814909f1ee63 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -330,7 +330,7 @@ static void resubmit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
 static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
 {
         struct urb *urb = port->read_urb;
-        struct tty_struct *tty = port->port.tty;
+        struct tty_struct *tty = tty_port_tty_get(&port->port);
         int room;
 
         /* Push data to tty */
@@ -341,6 +341,7 @@ static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
                         tty_flip_buffer_push(tty);
                 }
         }
+        tty_kref_put(tty);
 
         resubmit_read_urb(port, GFP_ATOMIC);
 }