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Bluetooth: msft: Clear tracked devices on resume 

Clear already tracked devices on system resume. Once the monitors are
reregistered after resume, matched devices in range will be found again.

Signed-off-by: Manish Mandlik <mmandlik@google.com>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Manish Mandlik 2022-03-12 02:08:58 -08:00 committed by Marcel Holtmann
parent da8912176f
commit 37b63c6819
1 changed files with 15 additions and 4 deletions
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19
net/bluetooth/msft.c
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@ -330,12 +330,13 @@ static void msft_le_cancel_monitor_advertisement_cb(struct hci_dev *hdev,
/* Do not free the monitor if it is being removed due to
* suspend. It will be re-monitored on resume.
*/
if (monitor && !msft->suspending)
if (monitor && !msft->suspending) {
hci_free_adv_monitor(hdev, monitor);
/* Clear any monitored devices by this Adv Monitor */
msft_monitor_device_del(hdev, handle_data->mgmt_handle, NULL,
0, false);
/* Clear any monitored devices by this Adv Monitor */
msft_monitor_device_del(hdev, handle_data->mgmt_handle,
NULL, 0, false);
}
list_del(&handle_data->list);
kfree(handle_data);
@ -522,6 +523,16 @@ int msft_resume_sync(struct hci_dev *hdev)
if (!msft || !msft_monitor_supported(hdev))
return 0;
hci_dev_lock(hdev);
/* Clear already tracked devices on resume. Once the monitors are
* reregistered, devices in range will be found again after resume.
*/
hdev->advmon_pend_notify = false;
msft_monitor_device_del(hdev, 0, NULL, 0, true);
hci_dev_unlock(hdev);
msft->resuming = true;
while (1) {