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Diffstat (limited to 'net/bluetooth/hci_core.c')
-rw-r--r--net/bluetooth/hci_core.c43
1 files changed, 40 insertions, 3 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 68bfe57b6625..502552d6e9af 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -808,7 +808,7 @@ static int hci_init4_req(struct hci_request *req, unsigned long opt)
* Delete Stored Link Key command. They are clearly indicating its
* absence in the bit mask of supported commands.
*
- * Check the supported commands and only if the the command is marked
+ * Check the supported commands and only if the command is marked
* as supported send it. If not supported assume that the controller
* does not have actual support for stored link keys which makes this
* command redundant anyway.
@@ -2963,7 +2963,7 @@ int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
sizeof(adv_instance->scan_rsp_data));
} else {
if (hdev->adv_instance_cnt >= hdev->le_num_of_adv_sets ||
- instance < 1 || instance > HCI_MAX_ADV_INSTANCES)
+ instance < 1 || instance > hdev->le_num_of_adv_sets)
return -EOVERFLOW;
adv_instance = kzalloc(sizeof(*adv_instance), GFP_KERNEL);
@@ -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);
@@ -3442,6 +3444,16 @@ void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
}
}
+static void hci_suspend_clear_tasks(struct hci_dev *hdev)
+{
+ int i;
+
+ for (i = 0; i < __SUSPEND_NUM_TASKS; i++)
+ clear_bit(i, hdev->suspend_tasks);
+
+ wake_up(&hdev->suspend_wait_q);
+}
+
static int hci_suspend_wait_event(struct hci_dev *hdev)
{
#define WAKE_COND \
@@ -3487,12 +3499,24 @@ static int hci_change_suspend_state(struct hci_dev *hdev,
return hci_suspend_wait_event(hdev);
}
+static void hci_clear_wake_reason(struct hci_dev *hdev)
+{
+ hci_dev_lock(hdev);
+
+ hdev->wake_reason = 0;
+ bacpy(&hdev->wake_addr, BDADDR_ANY);
+ hdev->wake_addr_type = 0;
+
+ hci_dev_unlock(hdev);
+}
+
static int hci_suspend_notifier(struct notifier_block *nb, unsigned long action,
void *data)
{
struct hci_dev *hdev =
container_of(nb, struct hci_dev, suspend_notifier);
int ret = 0;
+ u8 state = BT_RUNNING;
/* If powering down, wait for completion. */
if (mgmt_powering_down(hdev)) {
@@ -3513,15 +3537,27 @@ static int hci_suspend_notifier(struct notifier_block *nb, unsigned long action,
* - Second, program event filter/whitelist and enable scan
*/
ret = hci_change_suspend_state(hdev, BT_SUSPEND_DISCONNECT);
+ if (!ret)
+ state = BT_SUSPEND_DISCONNECT;
/* Only configure whitelist if disconnect succeeded and wake
* isn't being prevented.
*/
- if (!ret && !(hdev->prevent_wake && hdev->prevent_wake(hdev)))
+ if (!ret && !(hdev->prevent_wake && hdev->prevent_wake(hdev))) {
ret = hci_change_suspend_state(hdev,
BT_SUSPEND_CONFIGURE_WAKE);
+ if (!ret)
+ state = BT_SUSPEND_CONFIGURE_WAKE;
+ }
+
+ hci_clear_wake_reason(hdev);
+ mgmt_suspending(hdev, state);
+
} else if (action == PM_POST_SUSPEND) {
ret = hci_change_suspend_state(hdev, BT_RUNNING);
+
+ mgmt_resuming(hdev, hdev->wake_reason, &hdev->wake_addr,
+ hdev->wake_addr_type);
}
done:
@@ -3784,6 +3820,7 @@ void hci_unregister_dev(struct hci_dev *hdev)
cancel_work_sync(&hdev->power_on);
+ hci_suspend_clear_tasks(hdev);
unregister_pm_notifier(&hdev->suspend_notifier);
cancel_work_sync(&hdev->suspend_prepare);