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Bluetooth: Temporarily stop background scanning on discovery

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If the user sends a mgmt start discovery command while the background
scanning is running, we should temporarily stop it. Once the discovery
finishes, we start the background scanning again.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Andre Guedes 2014-02-26 20:21:50 -03:00 committed by Marcel Holtmann
parent cef952ce76
commit c54c3860e3
2 changed files with 8 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
net/bluetooth/hci_core.c
View file

@ -1786,6 +1786,8 @@ void hci_discovery_set_state(struct hci_dev *hdev, int state)
switch (state) {
case DISCOVERY_STOPPED:
hci_update_background_scan(hdev);
if (hdev->discovery.state != DISCOVERY_STARTING)
mgmt_discovering(hdev, 0);
break;

12
net/bluetooth/mgmt.c
View file

@ -3439,12 +3439,12 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev,
goto failed;
}
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
MGMT_STATUS_BUSY);
mgmt_pending_remove(cmd);
goto failed;
}
/* If controller is scanning, it means the background scanning
* is running. Thus, we should temporarily stop it in order to
* set the discovery scanning parameters.
*/
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
hci_req_add_le_scan_disable(&req);
memset(&param_cp, 0, sizeof(param_cp));