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Bluetooth: MGMT: Add conditions for setting HCI_CONN_FLAG_REMOTE_WAKEUP

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[ Upstream commit a9a347655d ]

HCI_CONN_FLAG_REMOTE_WAKEUP can only be set if device can be programmed
in the allowlist which in case of device using RPA requires LL Privacy
support to be enabled.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=215768
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Luiz Augusto von Dentz 2022-05-12 15:31:33 -07:00 committed by Greg Kroah-Hartman
parent 2821a5de2f
commit 7ecdcf25a9
1 changed files with 18 additions and 0 deletions
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18
net/bluetooth/mgmt.c
View file

@ -4529,6 +4529,23 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
le_addr_type(cp->addr.type));
if (params) {
DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
bitmap_from_u64(flags, current_flags);
/* Devices using RPAs can only be programmed in the
* acceptlist LL Privacy has been enable otherwise they
* cannot mark HCI_CONN_FLAG_REMOTE_WAKEUP.
*/
if (test_bit(HCI_CONN_FLAG_REMOTE_WAKEUP, flags) &&
!use_ll_privacy(hdev) &&
hci_find_irk_by_addr(hdev, &params->addr,
params->addr_type)) {
bt_dev_warn(hdev,
"Cannot set wakeable for RPA");
goto unlock;
}
bitmap_from_u64(params->flags, current_flags);
status = MGMT_STATUS_SUCCESS;
@ -4545,6 +4562,7 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
}
}
unlock:
hci_dev_unlock(hdev);
done: