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authorManish Mandlik <mmandlik@google.com>2022-03-12 11:08:58 +0100
committerMarcel Holtmann <marcel@holtmann.org>2022-03-18 17:12:08 +0100
commit37b63c68194d09d358c8abd73692adf9a6ceaad3 (patch)
treefc5f54678f4b213a8dde136b41a8277100d3b843 /net
parentBluetooth: fix incorrect nonblock bitmask in bt_sock_wait_ready() (diff)
downloadlinux-37b63c68194d09d358c8abd73692adf9a6ceaad3.tar.xz
linux-37b63c68194d09d358c8abd73692adf9a6ceaad3.zip
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>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/msft.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
index 9a3d77d3ca86..f43994523b1f 100644
--- a/net/bluetooth/msft.c
+++ b/net/bluetooth/msft.c
@@ -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) {