diff options
| -rw-r--r-- | drivers/usb/serial/quatech2.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index ff2322ea5e14..b61c2a9b6b11 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -621,16 +621,17 @@ static void qt2_write_bulk_callback(struct urb *urb) { struct usb_serial_port *port; struct qt2_port_private *port_priv; + unsigned long flags; port = urb->context; port_priv = usb_get_serial_port_data(port); - spin_lock(&port_priv->urb_lock); + spin_lock_irqsave(&port_priv->urb_lock, flags); port_priv->urb_in_use = false; usb_serial_port_softint(port); - spin_unlock(&port_priv->urb_lock); + spin_unlock_irqrestore(&port_priv->urb_lock, flags); } |