--- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -628,6 +628,9 @@ static int bfusb_probe(struct usb_interf data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress; data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize); + if (!data->bulk_pkt_size) + goto done; + rwlock_init(&data->lock); data->reassembly = NULL;