Commit 7ed3fa20 authored Sep 10, 2014 by Johan Hedberg Committed by Marcel Holtmann Sep 11, 2014

Bluetooth: Expire RPA if encryption fails



If encryption fails and we're using an RPA it may be because of a
conflict with another device. To avoid repeated failures the safest
action is to simply mark the RPA as expired so that a new one gets
generated as soon as the connection drops.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent 5be5e275

net/bluetooth/hci_event.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -2438,6 +2438,12 @@ static void hci_encrypt_change_evt(struct hci_dev hdev, struct sk_buff skb)
		}
		}

		/* We should disregard the current RPA and generate a new one
		* whenever the encryption procedure fails.
		*/
		if (ev->status && conn->type == LE_LINK)
		set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);

		clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);

		if (ev->status && conn->state == BT_CONNECTED) {