1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 3ddd7a1f7ff3..809fb329eca5 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -744,7 +744,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
         struct usb_serial *serial;
         struct usb_serial_port *port;
         struct moschip_port *mos7840_port;
-        struct tty_struct *tty;
         int status = urb->status;
 
         mos7840_port = urb->context;
@@ -774,12 +773,8 @@ static void mos7840_bulk_in_callback(struct urb *urb)
 
         if (urb->actual_length) {
                 struct tty_port *tport = &mos7840_port->port->port;
-                tty = tty_port_tty_get(tport);
-                if (tty) {
-                        tty_insert_flip_string(tport, data, urb->actual_length);
-                        tty_flip_buffer_push(tty);
-                        tty_kref_put(tty);
-                }
+                tty_insert_flip_string(tport, data, urb->actual_length);
+                tty_flip_buffer_push(tport);
                 mos7840_port->icount.rx += urb->actual_length;
                 smp_wmb();
                 dev_dbg(&port->dev, "mos7840_port->icount.rx is %d:\n", mos7840_port->icount.rx);