FilterDevice: Do not report non-USB devices in list of devices

The driver may report non-USB device in list of devices available for redirection (for example, this happens with FTDI dual-port serial adapter PID 6010) Signed-off-by: Yuri Benditovich <[email protected]> Signed-off-by: Dmitry Fleytman <[email protected]>
netusb · Apr 2, 2017 · 7c72773 · 7c72773
1 parent dddc046
commit 7c72773
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/UsbDk/FilterDevice.cpp b/UsbDk/FilterDevice.cpp
@@ -349,6 +349,13 @@ void CUsbDkHubFilterStrategy::RegisterNewChild(PDEVICE_OBJECT PDO)
     DevID->Dump();
     InstanceID->Dump();
 
+    // Not a USB device -> do not register
+    if (!DevID->MatchPrefix(L"USB\\"))
+    {
+        TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_FILTERDEVICE, "%!FUNC! Not a usb device, skip child registration");
+        return;
+    }
+
     CUsbDkChildDevice::TDescriptorsCache CfgDescriptors(DevDescriptor.bNumConfigurations);
 
     if (!CfgDescriptors.Create())