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Bluetooth: Fix link security setting when powering on 

If a controller is powered on while the HCI_AUTO_OFF flag is set the
link security setting (HCI_LINK_SECURITY) might not be in sync with the
actual state of the controller (HCI_AUTH). This patch fixes the issue by
checking for inequality between the intended and actual settings and
sends a HCI_Write_Auth_Enable command if necessary.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Johan Hedberg 2013-01-27 08:32:00 -06:00 committed by Gustavo Padovan
parent c00d575bd5
commit f0ff92fbfa
1 changed files with 7 additions and 0 deletions
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7
net/bluetooth/mgmt.c
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@ -3073,6 +3073,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
if (powered) {
u8 link_sec;
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
!lmp_host_ssp_capable(hdev)) {
u8 ssp = 1;
@ -3096,6 +3098,11 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
sizeof(cp), &cp);
}
link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE,
sizeof(link_sec), &link_sec);
if (lmp_bredr_capable(hdev)) {
set_bredr_scan(hdev);
update_class(hdev);