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Revert "Bluetooth: use hdev lock for accept_list and reject_list in conn req"

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This reverts commit 8ace1e6355 which is
commit fb048cae51 upstream.

It breaks the Android kernel ABI and is not needed for Android devices,
so it is safe to revert for now.  If it is determined that it is needed
in the future, it can be brought back in an abi-preserving way.

Bug: 161946584
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I6593a06f315b0b5798602895e095e680f8dbd535
This commit is contained in:
Greg Kroah-Hartman
2022-07-28 09:39:01 +02:00
parent fe07069084
commit b41a77c33b
1 changed files with 6 additions and 9 deletions
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15
net/bluetooth/hci_event.c
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@@ -2709,12 +2709,10 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
return;
}
hci_dev_lock(hdev);
if (hci_bdaddr_list_lookup(&hdev->reject_list, &ev->bdaddr,
BDADDR_BREDR)) {
hci_reject_conn(hdev, &ev->bdaddr);
goto unlock;
return;
}
/* Require HCI_CONNECTABLE or an accept list entry to accept the
@@ -2726,11 +2724,13 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
!hci_bdaddr_list_lookup_with_flags(&hdev->accept_list, &ev->bdaddr,
BDADDR_BREDR)) {
hci_reject_conn(hdev, &ev->bdaddr);
goto unlock;
return;
}
/* Connection accepted */
hci_dev_lock(hdev);
ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
if (ie)
memcpy(ie->data.dev_class, ev->dev_class, 3);
@@ -2742,7 +2742,8 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
HCI_ROLE_SLAVE);
if (!conn) {
bt_dev_err(hdev, "no memory for new connection");
goto unlock;
hci_dev_unlock(hdev);
return;
}
}
@@ -2782,10 +2783,6 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn->state = BT_CONNECT2;
hci_connect_cfm(conn, 0);
}
return;
unlock:
hci_dev_unlock(hdev);
}
static u8 hci_to_mgmt_reason(u8 err)