[PATCH v3 1/6] Bluetooth: Update Adv monitor count upon removal

From: Howard Chung
Date: Thu Sep 17 2020 - 23:13:12 EST


From: Miao-chen Chou <mcchou@xxxxxxxxxxxx>

This fixes the count of Adv monitor upon monitor removal.

The following test was performed.
- Start two btmgmt consoles, issue a btmgmt advmon-remove command on one
console and observe a MGMT_EV_ADV_MONITOR_REMOVED event on the other.

Signed-off-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx>
Signed-off-by: Howard Chung <howardchung@xxxxxxxxxx>
Reviewed-by: Alain Michaud <alainm@xxxxxxxxxxxx>
---

Changes in v3:
- Remove 'Bluez' prefix

Changes in v2:
- delete 'case 0x001c' in mgmt_config.c

net/bluetooth/hci_core.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8a2645a833013..f30a1f5950e15 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3061,6 +3061,7 @@ static int free_adv_monitor(int id, void *ptr, void *data)

idr_remove(&hdev->adv_monitors_idr, monitor->handle);
hci_free_adv_monitor(monitor);
+ hdev->adv_monitors_cnt--;

return 0;
}
@@ -3077,6 +3078,7 @@ int hci_remove_adv_monitor(struct hci_dev *hdev, u16 handle)

idr_remove(&hdev->adv_monitors_idr, monitor->handle);
hci_free_adv_monitor(monitor);
+ hdev->adv_monitors_cnt--;
} else {
/* Remove all monitors if handle is 0. */
idr_for_each(&hdev->adv_monitors_idr, &free_adv_monitor, hdev);
--
2.28.0.681.g6f77f65b4e-goog