1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 8e2d6dd9add0..b9341f0e452b 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -583,12 +583,11 @@ static void visor_throttle(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct visor_private *priv = usb_get_serial_port_data(port);
-        unsigned long flags;
 
         dbg("%s - port %d", __func__, port->number);
-        spin_lock_irqsave(&priv->lock, flags);
+        spin_lock_irq(&priv->lock);
         priv->throttled = 1;
-        spin_unlock_irqrestore(&priv->lock, flags);
+        spin_unlock_irq(&priv->lock);
 }
 
 
@@ -596,17 +595,16 @@ static void visor_unthrottle(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct visor_private *priv = usb_get_serial_port_data(port);
-        unsigned long flags;
         int result;
 
         dbg("%s - port %d", __func__, port->number);
-        spin_lock_irqsave(&priv->lock, flags);
+        spin_lock_irq(&priv->lock);
         priv->throttled = 0;
         priv->actually_throttled = 0;
-        spin_unlock_irqrestore(&priv->lock, flags);
+        spin_unlock_irq(&priv->lock);
 
         port->read_urb->dev = port->serial->dev;
-        result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+        result = usb_submit_urb(port->read_urb, GFP_KERNEL);
         if (result)
                 dev_err(&port->dev,
                         "%s - failed submitting read urb, error %d\n",