In case the HCI request queue is empty, hci_req_run should return
ENODATA instead of EINVAL. This way, hci_req_run returns a more
meaningful error value.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
 
        /* Do not allow empty requests */
        if (skb_queue_empty(&req->cmd_q))
-               return -EINVAL;
+               return -ENODATA;
 
        skb = skb_peek_tail(&req->cmd_q);
        bt_cb(skb)->req.complete = complete;