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Bluetooth: Fix connection key type updating for buggy controllers

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If a controller generates a changed combination key as its first key the
connection key type will not be correctly set. In these situations make
sure the update the connection key type when such a buggy controller is
detected.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Johan Hedberg 2011-04-28 11:29:01 -07:00 • committed by Gustavo F. Padovan
parent 12adcf3a95
commit 655fe6ece7
1 changed files with 4 additions and 1 deletions
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5
net/bluetooth/hci_core.c
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@ -1083,8 +1083,11 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
* previous key */ * previous key */
if (type == HCI_LK_CHANGED_COMBINATION && if (type == HCI_LK_CHANGED_COMBINATION &&
(!conn || conn->remote_auth == 0xff) && (!conn || conn->remote_auth == 0xff) &&
old_key_type == 0xff) old_key_type == 0xff) {
type = HCI_LK_COMBINATION; type = HCI_LK_COMBINATION;
if (conn)
conn->key_type = type;
}
if (new_key && !hci_persistent_key(hdev, conn, type, old_key_type)) { if (new_key && !hci_persistent_key(hdev, conn, type, old_key_type)) {
list_del(&key->list); list_del(&key->list);