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>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 634debab4d54..0976eabdafb0 100644
--- 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);