Generate a container id for each port device.

Generate a container id for each port device instead of using the null
GUID, which is a reserved GUID. The use of the null GUID caused audio
endpoint enumeration to fail in Windows 10. OXT-780

Signed-off-by: Troy Crosley <[email protected]>

Author: troyc

Drivers/xenvusb/UsbInterface.cpp

@@ -639,6 +639,20 @@ RootHubIfCreateUsbDevice(
         PortStatus,
         hubContext->PortDevice.DeviceHandleRefCount);
 
+    // Give the port device a container Id.
+    UUID randomUUID;
+    NTSTATUS stat = ExUuidCreate(&randomUUID);
+
+    if (NT_SUCCESS(stat))
+    {
+        hubContext->PortDevice.ContainerId = randomUUID;
+    }
+    else
+    {
+        TraceEvents(TRACE_LEVEL_ERROR, TRACE_DEVICE,
+            __FUNCTION__": Could not create container Id for device.\n");
+    }
+
     return STATUS_SUCCESS;
 }