Bluetooth: LL privacy allow RPA

stable inclusion
from stable-v5.10.121
commit c024f6f11d4d2d9b4fa2be2ba4bc01a5bbe6ee4b
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c024f6f11d4d2d9b4fa2be2ba4bc01a5bbe6ee4b

--------------------------------

[ Upstream commit 8ce85ada ]

allow RPA to add bd address to whitelist
Signed-off-by: NSathish Narasimman <sathish.narasimman@intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>

net/bluetooth/hci_request.c

@@ -842,6 +842,10 @@ static u8 update_white_list(struct hci_request *req)
 	 */
 	bool allow_rpa = hdev->suspended;
 
+	if (use_ll_privacy(hdev) &&
+	    hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+		allow_rpa = true;
+
 	/* Go through the current white list programmed into the
 	 * controller one by one and check if that address is still
 	 * in the list of pending connections or list of devices to