From: Hemant Gupta Date: Mon, 16 Jan 2012 08:04:29 +0000 (+0530) Subject: Bluetooth: Send correct response to IO Capability Request X-Git-Tag: v4.13~12389^2~112^2~193 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=7a7f1e7c857959f5298020969741e389f21edbae;p=mirror_ubuntu-bionic-kernel.git Bluetooth: Send correct response to IO Capability Request This patch sends correct IO Capability response to remote device in case Local Device supports KeyBoardDisplay IO Capability as this capability is not valid as per BT spec for IO capability Request Reply Command. This capability is mapped to DisplayYesNo which is in accordance with BT spec. Signed-off-by: Hemant Gupta Acked-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 6fb9016652b7..041a35eb25c6 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2965,7 +2965,10 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff struct hci_cp_io_capability_reply cp; bacpy(&cp.bdaddr, &ev->bdaddr); - cp.capability = conn->io_capability; + /* Change the IO capability from KeyboardDisplay + * to DisplayYesNo as it is not supported by BT spec. */ + cp.capability = (conn->io_capability == 0x04) ? + 0x01 : conn->io_capability; conn->auth_type = hci_get_auth_req(conn); cp.authentication = conn->auth_type;