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Bluetooth: Explicitly clear EIR data upon hci_dev setup

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Some controllers preserve their EIR data even after a reset so we need
to explicitly clear this during the device setup procedure.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2012-02-22 15:47:48 +02:00
parent c80da27e86
commit 54d04dbbb9
1 changed files with 13 additions and 4 deletions
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17
net/bluetooth/hci_event.c
View file

@ -557,10 +557,19 @@ static void hci_setup(struct hci_dev *hdev)
if (hdev->hci_ver > BLUETOOTH_VER_1_1)
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (hdev->features[6] & LMP_SIMPLE_PAIR &&
test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 mode = 0x01;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
if (hdev->features[6] & LMP_SIMPLE_PAIR) {
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 mode = 0x01;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
sizeof(mode), &mode);
} else {
struct hci_cp_write_eir cp;
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(&cp, 0, sizeof(cp));
hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
}
if (hdev->features[3] & LMP_RSSI_INQ)