diff options
Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
| -rw-r--r-- | drivers/usb/serial/symbolserial.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index cd2f8dc8b58c..6ca24e86f686 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -35,6 +35,7 @@ static void symbol_int_callback(struct urb *urb) struct symbol_private *priv = usb_get_serial_port_data(port); unsigned char *data = urb->transfer_buffer; int status = urb->status; + unsigned long flags; int result; int data_length; @@ -73,7 +74,7 @@ static void symbol_int_callback(struct urb *urb) } exit: - spin_lock(&priv->lock); + spin_lock_irqsave(&priv->lock, flags); /* Continue trying to always read if we should */ if (!priv->throttled) { @@ -84,7 +85,7 @@ exit: __func__, result); } else priv->actually_throttled = true; - spin_unlock(&priv->lock); + spin_unlock_irqrestore(&priv->lock, flags); } static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port) |