[Bluetooth] Ignore additional interfaces of BPA 100/105 devices

If a BPA 100/105 device contains more then one interface then ignore the
additional interfaces, because they are unused.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 4fa8523..0db0400 100644 (file)
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -550,6 +550,9 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
        if (ignore)
                return -ENODEV;
 
+       if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
+               return -ENODEV;
+
        data = kmalloc(sizeof(*data), GFP_KERNEL);
        if (!data) {
                BT_ERR("Can't allocate data structure");