Bluetooth: Report error for HCI reset ioctl when device is down

Even if this is legacy API, there is no reason to not report a proper
error when trying to reset a HCI device that is down.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 634deba..0976eab 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1344,8 +1344,10 @@ int hci_dev_reset(__u16 dev)
 
        hci_req_lock(hdev);
 
-       if (!test_bit(HCI_UP, &hdev->flags))
+       if (!test_bit(HCI_UP, &hdev->flags)) {
+               ret = -ENETDOWN;
                goto done;
+       }
 
        /* Drop queues */
        skb_queue_purge(&hdev->rx_q);