The scan window parameter for connection establishment and passive scanning needs to be smaller or equal than the scan interval. Instead of waiting for a controller to reject these values later on, just reject them right away. Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> --- net/bluetooth/mgmt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index caa552c..40c85ed 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3423,6 +3423,10 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev, return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, MGMT_STATUS_INVALID_PARAMS); + if (window > interval) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, + MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); hdev->le_scan_interval = interval; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html