Hi Andre,
On Mon, Feb 24, 2014, Andre Guedes wrote:
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -1128,6 +1128,7 @@ void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
> void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
> const void *param, u8 event);
> void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status);
> +void hci_req_add_le_scan_disable(struct hci_request *req);
It doesn't feel right to put this straight next to the generic async
request API. I'd at least have an empty line between the generic API and
this new function.
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -3318,7 +3318,6 @@ static void le_scan_disable_work(struct work_struct *work)
> {
> struct hci_dev *hdev = container_of(work, struct hci_dev,
> le_scan_disable.work);
> - struct hci_cp_le_set_scan_enable cp;
> struct hci_request req;
> int err;
>
> @@ -3326,9 +3325,7 @@ static void le_scan_disable_work(struct work_struct *work)
>
> hci_req_init(&req, hdev);
>
> - memset(&cp, 0, sizeof(cp));
> - cp.enable = LE_SCAN_DISABLE;
> - hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
> + hci_req_add_le_scan_disable(&req);
>
> err = hci_req_run(&req, le_scan_disable_work_complete);
> if (err)
> @@ -4872,3 +4869,12 @@ static void hci_cmd_work(struct work_struct *work)
> }
> }
> }
> +
> +void hci_req_add_le_scan_disable(struct hci_request *req)
> +{
> + struct hci_cp_le_set_scan_enable cp;
> +
> + memset(&cp, 0, sizeof(cp));
> + cp.enable = LE_SCAN_DISABLE;
> + hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
> +}
> diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
> index 25b8b27..c722914 100644
> --- a/net/bluetooth/mgmt.c
> +++ b/net/bluetooth/mgmt.c
> @@ -3526,7 +3526,6 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
> struct hci_cp_remote_name_req_cancel cp;
> struct inquiry_entry *e;
> struct hci_request req;
> - struct hci_cp_le_set_scan_enable enable_cp;
> int err;
>
> BT_DBG("%s", hdev->name);
> @@ -3562,10 +3561,7 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
> } else {
> cancel_delayed_work(&hdev->le_scan_disable);
>
> - memset(&enable_cp, 0, sizeof(enable_cp));
> - enable_cp.enable = LE_SCAN_DISABLE;
> - hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE,
> - sizeof(enable_cp), &enable_cp);
> + hci_req_add_le_scan_disable(&req);
> }
>
> break;
You've missed one place in clean_up_hci_state() in mgmt.c (which was
added by the recent "graceful power down" patch set.
Johan
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