Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / usb / serial / quatech2.c

diff --git a/kernel/drivers/usb/serial/quatech2.c b/kernel/drivers/usb/serial/quatech2.c
index 504f5bf..a3ed07c 100644 (file)
--- a/kernel/drivers/usb/serial/quatech2.c
+++ b/kernel/drivers/usb/serial/quatech2.c
@@ -141,6 +141,7 @@ static void qt2_release(struct usb_serial *serial)
 
        serial_priv = usb_get_serial_data(serial);
 
+       usb_kill_urb(serial_priv->read_urb);
        usb_free_urb(serial_priv->read_urb);
        kfree(serial_priv->read_buffer);
        kfree(serial_priv);
@@ -407,16 +408,12 @@ static void qt2_close(struct usb_serial_port *port)
 {
        struct usb_serial *serial;
        struct qt2_port_private *port_priv;
-       unsigned long flags;
        int i;
 
        serial = port->serial;
        port_priv = usb_get_serial_port_data(port);
 
-       spin_lock_irqsave(&port_priv->urb_lock, flags);
        usb_kill_urb(port_priv->write_urb);
-       port_priv->urb_in_use = false;
-       spin_unlock_irqrestore(&port_priv->urb_lock, flags);
 
        /* flush the port transmit buffer */
        i = usb_control_msg(serial->dev,