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Commit 52f33ca8 authored by Kamal Negi's avatar Kamal Negi
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bluetooth: Add HCI device to device list after initialization 



Avoid possible NULL pointer dereference when ioctl is called while
device is not fully initailized

Change-Id: Ie796fb070a5bf0c6f11e796152c4a84280d40021
Signed-off-by: default avatarKamal Negi <kamaln@codeaurora.org>
parent 7c3d564c

net/bluetooth/hci_core.c

+4 −4
Original line number Diff line number Diff line
@@ -2217,10 +2217,6 @@ int hci_register_dev(struct hci_dev *hdev) 


	BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);



	write_lock(&hci_dev_list_lock);

	list_add(&hdev->list, &hci_dev_list);

	write_unlock(&hci_dev_list_lock);



	hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND |

					  WQ_MEM_RECLAIM, 1);

	if (!hdev->workqueue) {
@@ -2259,6 +2255,10 @@ int hci_register_dev(struct hci_dev *hdev) 
	if (hdev->dev_type != HCI_AMP)

		set_bit(HCI_AUTO_OFF, &hdev->dev_flags);



	write_lock(&hci_dev_list_lock);

	list_add(&hdev->list, &hci_dev_list);

	write_unlock(&hci_dev_list_lock);



	hci_notify(hdev, HCI_DEV_REG);

	hci_dev_hold(hdev);