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

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / hci_core.c

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 4221fd5b1f4bbe9ce2c67091cd44a282c87ec2e7..b7f6b5bc1bb4a911ff8a870ad6007d47ddbb0c53 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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 */