From 81d0c8ad7163d9860374e38a75e2e99d00ac8c17 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Mon, 24 Mar 2014 14:39:04 +0200 Subject: [PATCH] Bluetooth: Add missing cmd_status handler for LE_Start_Encryption It is possible that the HCI_LE_Start_Encryption command fails in an early stage and triggers a command status event with the failure code. In such a case we need to properly notify the hci_conn object and cleanly bring the connection down. This patch adds the missing command status handler for this HCI command. Signed-off-by: Johan Hedberg Signed-off-by: Marcel Holtmann --- net/bluetooth/hci_event.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 9ee081b9c064..49774912cb01 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1725,6 +1725,36 @@ unlock: hci_dev_unlock(hdev); } +static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_le_start_enc *cp; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (!status) + return; + + hci_dev_lock(hdev); + + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); + if (!cp) + goto unlock; + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); + if (!conn) + goto unlock; + + if (conn->state != BT_CONNECTED) + goto unlock; + + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); + hci_conn_drop(conn); + +unlock: + hci_dev_unlock(hdev); +} + static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -2636,6 +2666,10 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_le_create_conn(hdev, ev->status); break; + case HCI_OP_LE_START_ENC: + hci_cs_le_start_enc(hdev, ev->status); + break; + default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; -- 2.20.1