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path: root/drivers/usb/serial/symbolserial.c
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Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
-rw-r--r--drivers/usb/serial/symbolserial.c5
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)