mirror of https://gitee.com/openkylin/linux.git
Bluetooth: Fix location of TX power field in LE advertising data
The TX power field in the LE advertising data should be placed last since it needs to be possible to enable kernel controlled TX power, but still allow for userspace provided flags field. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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@ -1043,6 +1043,14 @@ static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
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}
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}
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if (instance) {
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memcpy(ptr, hdev->adv_instance.adv_data,
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hdev->adv_instance.adv_data_len);
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ad_len += hdev->adv_instance.adv_data_len;
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ptr += hdev->adv_instance.adv_data_len;
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}
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/* Provide Tx Power only if we can provide a valid value for it */
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if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
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(instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
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@ -1054,12 +1062,6 @@ static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
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ptr += 3;
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}
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if (instance) {
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memcpy(ptr, hdev->adv_instance.adv_data,
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hdev->adv_instance.adv_data_len);
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ad_len += hdev->adv_instance.adv_data_len;
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}
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return ad_len;
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}
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