1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 3a9d14384a43..11c8b97a5177 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -1481,7 +1481,7 @@ static void rx_data_softint(struct work_struct *work)
         struct whiteheat_private *info =
                 container_of(work, struct whiteheat_private, rx_work);
         struct usb_serial_port *port = info->port;
-        struct tty_struct *tty = port->port.tty;
+        struct tty_struct *tty = tty_port_tty_get(&port->port);
         struct whiteheat_urb_wrap *wrap;
         struct urb *urb;
         unsigned long flags;
@@ -1493,7 +1493,7 @@ static void rx_data_softint(struct work_struct *work)
         spin_lock_irqsave(&info->lock, flags);
         if (info->flags & THROTTLED) {
                 spin_unlock_irqrestore(&info->lock, flags);
-                return;
+                goto out;
         }
 
         list_for_each_safe(tmp, tmp2, &info->rx_urb_q) {
@@ -1513,7 +1513,7 @@ static void rx_data_softint(struct work_struct *work)
                                 spin_unlock_irqrestore(&info->lock, flags);
                                 tty_flip_buffer_push(tty);
                                 schedule_work(&info->rx_work);
-                                return;
+                                goto out;
                         }
                         tty_insert_flip_string(tty, urb->transfer_buffer, len);
                         sent += len;
@@ -1536,6 +1536,8 @@ static void rx_data_softint(struct work_struct *work)
 
         if (sent)
                 tty_flip_buffer_push(tty);
+out:
+        tty_kref_put(tty);
 }