From 79c6c70cbe35c270e7b59207ab76b44183a1030a Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Thu, 28 Apr 2011 11:28:55 -0700 Subject: [PATCH] Bluetooth: Fix HCI_CONN_AUTH_PEND flag for all authentication requests The HCI_CONN_AUTH_PEND flag should be set whenever requesting authentication so that multiple pending requests can't occur. Signed-off-by: Johan Hedberg Signed-off-by: Gustavo F. Padovan --- net/bluetooth/hci_event.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index a479389668ef..ce8e09955834 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1021,12 +1021,19 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - if (conn && hci_outgoing_auth_needed(hdev, conn)) { + if (!conn) + goto unlock; + + if (!hci_outgoing_auth_needed(hdev, conn)) + goto unlock; + + if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) { struct hci_cp_auth_requested cp; cp.handle = __cpu_to_le16(conn->handle); hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); } +unlock: hci_dev_unlock(hdev); } @@ -1516,12 +1523,19 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn && hci_outgoing_auth_needed(hdev, conn)) { + if (!conn) + goto unlock; + + if (!hci_outgoing_auth_needed(hdev, conn)) + goto unlock; + + if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) { struct hci_cp_auth_requested cp; cp.handle = __cpu_to_le16(conn->handle); hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); } +unlock: hci_dev_unlock(hdev); }