diff options
| -rw-r--r-- | drivers/usb/serial/opticon.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index c03fdc0242d..4cdb975caa8 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -502,7 +502,8 @@ static int opticon_resume(struct usb_interface *intf) int result; mutex_lock(&port->port.mutex); - if (port->port.count) + /* This is protected by the port mutex against close/open */ + if (test_bit(ASYNCB_INITIALIZED, &port->port.flags)) result = usb_submit_urb(priv->bulk_read_urb, GFP_NOIO); else result = 0; |