Bluetooth: Store supported commands only during setup procedure

The list of supported commands of a controller can not change during
its lifetime. So store the list just once during the setup procedure
and not every time the HCI command is executed.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d75d51ff4fdd74684254afccb2521f0b2c7099a2..4d0f4018df187ebda71950cc544f5dc03a30d5a2 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -486,7 +486,10 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev,
 
        BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-       if (!rp->status)
+       if (rp->status)
+               return;
+
+       if (test_bit(HCI_SETUP, &hdev->dev_flags))
                memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
 }