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authorAndre Guedes2014-02-27 00:21:50 +0100
committerMarcel Holtmann2014-02-27 04:41:35 +0100
commitc54c3860e3dbaa68128dbb288b2806dd86c230cc (patch)
treede991b8e59c8aa5463a2793e5d62ac788e753e7f /net/bluetooth
parentBluetooth: Connection parameters and auto connection (diff)
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Bluetooth: Temporarily stop background scanning on discovery
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>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_core.c2
-rw-r--r--net/bluetooth/mgmt.c12
2 files changed, 8 insertions, 6 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 89ff09249eee..507a137a584b 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index bad23d5fdd35..a62e22ca73a1 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -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));