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Commit 6ec5bcad authored by Vishal Agarwal's avatar Vishal Agarwal Committed by Johan Hedberg
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Bluetooth: Temporary keys should be retained during connection 



If a key is non persistent then it should not be used in future
connections but it should be kept for current connection. And it
should be removed when connecion is removed.

Signed-off-by: default avatarVishal Agarwal <vishal.agarwal@stericsson.com>
Acked-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 745c0ce3

include/net/bluetooth/hci_core.h

+1 −0
Original line number Diff line number Diff line
@@ -314,6 +314,7 @@ struct hci_conn { 


	__u8		remote_cap;

	__u8		remote_auth;

	bool		flush_key;



	unsigned int	sent;

net/bluetooth/hci_core.c

+2 −4
Original line number Diff line number Diff line
@@ -1330,10 +1330,8 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, 


	mgmt_new_link_key(hdev, key, persistent);



	if (!persistent) {

		list_del(&key->list);

		kfree(key);

	}

	if (conn)

		conn->flush_key = !persistent;



	return 0;

}

net/bluetooth/hci_event.c

+2 −0
Original line number Diff line number Diff line
@@ -1902,6 +1902,8 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff 
	}



	if (ev->status == 0) {

		if (conn->type == ACL_LINK && conn->flush_key)

			hci_remove_link_key(hdev, &conn->dst);

		hci_proto_disconn_cfm(conn, ev->reason);

		hci_conn_del(conn);

	}