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Commit db323f2f authored by Gustavo Padovan's avatar Gustavo Padovan
Browse files

Bluetooth: Use delayed work for advertisiment cache timeout 



As HCI rx path is now done in process context it makes sense to do all the
timer in process context as well.

Acked-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent 19c40e3b

include/net/bluetooth/hci_core.h

+1 −1
Original line number Diff line number Diff line
@@ -226,7 +226,7 @@ struct hci_dev { 
	struct list_head	remote_oob_data;



	struct list_head	adv_entries;

	struct timer_list	adv_timer;

	struct delayed_work	adv_work;



	struct hci_dev_stats	stat;

net/bluetooth/hci_core.c

+5 −5
Original line number Diff line number Diff line
@@ -1340,9 +1340,10 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr) 
	return mgmt_device_unblocked(hdev, bdaddr);

}



static void hci_clear_adv_cache(unsigned long arg)

static void hci_clear_adv_cache(struct work_struct *work)

{

	struct hci_dev *hdev = (void *) arg;

	struct hci_dev *hdev = container_of(work, struct hci_dev,

							adv_work.work);



	hci_dev_lock(hdev);
@@ -1488,9 +1489,8 @@ int hci_register_dev(struct hci_dev *hdev) 
	INIT_LIST_HEAD(&hdev->remote_oob_data);



	INIT_LIST_HEAD(&hdev->adv_entries);

	setup_timer(&hdev->adv_timer, hci_clear_adv_cache,

						(unsigned long) hdev);



	INIT_DELAYED_WORK(&hdev->adv_work, hci_clear_adv_cache);

	INIT_WORK(&hdev->power_on, hci_power_on);

	INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
@@ -1576,7 +1576,7 @@ void hci_unregister_dev(struct hci_dev *hdev) 


	hci_del_sysfs(hdev);



	del_timer(&hdev->adv_timer);

	cancel_delayed_work_sync(&hdev->adv_work);



	destroy_workqueue(hdev->workqueue);

net/bluetooth/hci_event.c

+4 −2
Original line number Diff line number Diff line
@@ -1017,7 +1017,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, 
	if (cp->enable == 0x01) {

		set_bit(HCI_LE_SCAN, &hdev->dev_flags);



		del_timer(&hdev->adv_timer);

		cancel_delayed_work_sync(&hdev->adv_work);



		hci_dev_lock(hdev);

		hci_adv_entries_clear(hdev);
@@ -1025,7 +1025,9 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, 
	} else if (cp->enable == 0x00) {

		clear_bit(HCI_LE_SCAN, &hdev->dev_flags);



		mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);

		cancel_delayed_work_sync(&hdev->adv_work);

		queue_delayed_work(hdev->workqueue, &hdev->adv_work,

						 jiffies + ADV_CLEAR_TIMEOUT);

	}

}