From c0fde76241eef992919efae235311eb32dab9128 Mon Sep 17 00:00:00 2001
From: Kristian Sloth Lauszus <lauszus@gmail.com>
Date: Tue, 16 Jul 2013 18:36:07 +0200
Subject: [PATCH] Make sure it doesn't try to init a driver twice

---
 Usb.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Usb.cpp b/Usb.cpp
index 6d4e8db5..31d9bb9b 100644
--- a/Usb.cpp
+++ b/Usb.cpp
@@ -708,6 +708,7 @@ uint8_t USB::Configuring(uint8_t parent, uint8_t port, bool lowspeed) {
         for (devConfigIndex = 0; devConfigIndex < USB_NUMDEVICES; devConfigIndex++) {
                 if (!devConfig[devConfigIndex]) continue;
                 if (devConfig[devConfigIndex]->GetAddress()) continue; // consumed
+                if (devConfig[devConfigIndex]->VIDPIDOK(vid, pid) || devConfig[devConfigIndex]->DEVCLASSOK(klass)) continue; // If this is true it means it must have returned USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED above
                 rcode = AttemptConfig(devConfigIndex, parent, port, lowspeed);
 
                 //printf("ERROR ENUMERATING %2.2x\r\n", rcode);