Hi Andre,
* Andre Guedes <andre.guedes@xxxxxxxxxxxxx> [2012-03-06 19:54:33 -0300]:
> This patch adds to hci_core the hci_cancel_le_scan function which
> should be used to cancel an ongoing LE scan.
>
> Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
> ---
> include/net/bluetooth/hci_core.h | 1 +
> net/bluetooth/hci_core.c | 21 +++++++++++++++++++++
> 2 files changed, 22 insertions(+)
>
> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> index 25cb0a1..0db2934 100644
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -1072,5 +1072,6 @@ int hci_do_inquiry(struct hci_dev *hdev, u8 length);
> int hci_cancel_inquiry(struct hci_dev *hdev);
> int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
> int timeout);
> +int hci_cancel_le_scan(struct hci_dev *hdev);
>
> #endif /* __HCI_CORE_H */
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 661d65f..0c2ceaa 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -1672,6 +1672,27 @@ static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval,
> return 0;
> }
>
> +int hci_cancel_le_scan(struct hci_dev *hdev)
> +{
> + bool canceled;
> +
> + BT_DBG("%s", hdev->name);
> +
> + if (!test_bit(HCI_LE_SCAN, &hdev->dev_flags))
> + return -EPERM;
Are you sure about this -EPERM return error here? At a glance -EALREADY looks
better to me.
Gustavo
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