From dd2ef8e274b265a0af1cc0d3ddafd361fc3a00a6 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Wed, 26 Feb 2014 20:21:56 -0300 Subject: Bluetooth: Update background scan parameters If new scanning parameters are set while background scan is running, we should restart background scanning so these parameters are updated. Signed-off-by: Andre Guedes Signed-off-by: Marcel Holtmann --- net/bluetooth/mgmt.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'net/bluetooth/mgmt.c') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 2e6564e47ded..4c4912e9a7c4 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3924,6 +3924,21 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev, err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0); + /* If background scan is running, restart it so new parameters are + * loaded. + */ + if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && + hdev->discovery.state == DISCOVERY_STOPPED) { + struct hci_request req; + + hci_req_init(&req, hdev); + + hci_req_add_le_scan_disable(&req); + hci_req_add_le_passive_scan(&req); + + hci_req_run(&req, NULL); + } + hci_dev_unlock(hdev); return err; -- cgit v1.2.3