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Bluetooth: Guarantee BR-EDR device will be registered as hci0

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It's convenient to use the HCI device index the AMP controller id, but
the spec requires that an AMP controller never has id 0.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Mat Martineau 2011-11-02 16:18:36 -07:00 committed by Gustavo F. Padovan
parent 8d5a04a130
commit 08add513ca
1 changed files with 6 additions and 1 deletions
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7
net/bluetooth/hci_core.c
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@ -1410,7 +1410,7 @@ int hci_add_adv_entry(struct hci_dev *hdev,
int hci_register_dev(struct hci_dev *hdev)
{
struct list_head *head = &hci_dev_list, *p;
int i, id = 0, error;
int i, id, error;
BT_DBG("%p name %s bus %d owner %p", hdev, hdev->name,
hdev->bus, hdev->owner);
@ -1418,6 +1418,11 @@ int hci_register_dev(struct hci_dev *hdev)
if (!hdev->open || !hdev->close || !hdev->destruct)
return -EINVAL;
/* Do not allow HCI_AMP devices to register at index 0,
* so the index can be used as the AMP controller ID.
*/
id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
write_lock_bh(&hci_dev_list_lock);
/* Find first available device id */