[ros-diffs] [janderwald] 55811: [USBOHCI] [USBEHCI] [USBUHCI] - Don't assume iConfiguration value of configuration descriptor is zero based aligned - Fixes bugcheck in VmWare

Author: janderwald
Date: Wed Feb 22 18:57:49 2012
New Revision: 55811

URL: http://svn.reactos.org/svn/reactos?rev=55811&view=rev
Log:
[USBOHCI] [USBEHCI] [USBUHCI]
- Don't assume iConfiguration value of configuration descriptor is zero based aligned
- Fixes bugcheck in VmWare

Modified:
    trunk/reactos/drivers/usb/CMakeLists.txt
    trunk/reactos/drivers/usb/usbehci/usb_device.cpp
    trunk/reactos/drivers/usb/usbohci/usb_device.cpp
    trunk/reactos/drivers/usb/usbuhci/usb_device.cpp

Modified: trunk/reactos/drivers/usb/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/CMakeLists.txt…
==============================================================================
--- trunk/reactos/drivers/usb/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/CMakeLists.txt [iso-8859-1] Wed Feb 22 18:57:49 2012
@@ -3,4 +3,5 @@
 add_subdirectory(usbehci)
 add_subdirectory(usbhub)
 add_subdirectory(usbohci)
-add_subdirectory(usbstor)
+add_subdirectory(usbstor)
+add_subdirectory(usbuhci)

Modified: trunk/reactos/drivers/usb/usbehci/usb_device.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbehci/usb_de…
==============================================================================
--- trunk/reactos/drivers/usb/usbehci/usb_device.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbehci/usb_device.cpp [iso-8859-1] Wed Feb 22 18:57:49
2012
@@ -1044,29 +1044,66 @@
     ULONG InterfaceIndex, PipeIndex;
     USB_DEFAULT_PIPE_SETUP_PACKET CtrlSetup;
     NTSTATUS Status;
-
-    //
-    // sanity checks
-    //
-    ASSERT(ConfigurationDescriptor->iConfiguration <
m_DeviceDescriptor.bNumConfigurations);
-    ASSERT(ConfigurationDescriptor->iConfiguration ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->iConfiguration);
-
-    //
-    // sanity check
-    //
-    ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->bNumInterfaces);
+    UCHAR bConfigurationValue = 0;
+    ULONG ConfigurationIndex = 0, Index;
+    UCHAR Found = FALSE;
+
+
+    if (ConfigurationDescriptor)
+    {
+        //
+        // find configuration index
+        //
+        for(Index = 0; Index < m_DeviceDescriptor.bNumConfigurations; Index++)
+        {
+            if
(m_ConfigurationDescriptors[Index].ConfigurationDescriptor->iConfiguration ==
ConfigurationDescriptor->iConfiguration)
+            {
+                //
+                // found configuration index
+                //
+                ConfigurationIndex = Index;
+                Found = TRUE;
+            }
+        }
+
+        if (!Found)
+        {
+            DPRINT1("[USBUHCI] invalid configuration index %lu\n",
ConfigurationDescriptor->iConfiguration);
+            return STATUS_INVALID_PARAMETER;
+        }
+
+        //
+        // sanity check
+        //
+        ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor->bNumInterfaces);
+
+        //
+        // get configuration value
+        //
+        bConfigurationValue = ConfigurationDescriptor->bConfigurationValue;
+    }
 
     //
     // now build setup packet
     //
     RtlZeroMemory(&CtrlSetup, sizeof(USB_DEFAULT_PIPE_SETUP_PACKET));
     CtrlSetup.bRequest = USB_REQUEST_SET_CONFIGURATION;
-    CtrlSetup.wValue.W = ConfigurationDescriptor->bConfigurationValue;
+    CtrlSetup.wValue.W = bConfigurationValue;
 
     //
     // select configuration
     //
     Status = CommitSetupPacket(&CtrlSetup, 0, 0, 0);
+
+    if (!ConfigurationDescriptor)
+    {
+        //
+        // unconfigure request
+        //
+        DPRINT1("CUsbDevice::SelectConfiguration Unconfigure Request Status
%x\n", Status);
+        m_ConfigurationIndex = 0;
+        return Status;
+    }
 
     //
     // informal debug print
@@ -1081,14 +1118,14 @@
     }
 
     //
-    // store configuration device index
-    //
-    m_ConfigurationIndex = ConfigurationDescriptor->iConfiguration;
+    // store new configuration device index
+    //
+    m_ConfigurationIndex = ConfigurationIndex;
 
     //
     // store configuration handle
     //
-    *ConfigurationHandle =
&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration];
+    *ConfigurationHandle = &m_ConfigurationDescriptors[ConfigurationIndex];
 
     //
     // copy interface info and pipe info
@@ -1098,7 +1135,7 @@
         //
         // sanity check: is the info pre-layed out
         //
-        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
+        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
         PC_ASSERT(InterfaceInfo->Length != 0);
 #ifdef _MSC_VER
         PC_ASSERT(InterfaceInfo->Length == FIELD_OFFSET(USBD_INTERFACE_INFORMATION,
Pipes[InterfaceInfo->NumberOfPipes]));
@@ -1107,10 +1144,10 @@
         //
         // copy interface info
         //
-        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex];
-        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
-        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
-        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
+        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex];
+        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
+        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
+        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
         InterfaceInfo->Reserved = 0;
 
         //
@@ -1121,16 +1158,16 @@
             //
             // copy pipe info
             //
-            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
-            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
-            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
-            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
-            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
+            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
+            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
+            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
+            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
+            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
 
             //
             // data toggle is reset on configuration requests
             //
-           
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
+           
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
         }
 
         //

Modified: trunk/reactos/drivers/usb/usbohci/usb_device.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbohci/usb_de…
==============================================================================
--- trunk/reactos/drivers/usb/usbohci/usb_device.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbohci/usb_device.cpp [iso-8859-1] Wed Feb 22 18:57:49
2012
@@ -1104,19 +1104,37 @@
     USB_DEFAULT_PIPE_SETUP_PACKET CtrlSetup;
     NTSTATUS Status;
     UCHAR bConfigurationValue = 0;
+    ULONG ConfigurationIndex = 0, Index;
+    UCHAR Found = FALSE;
+
 
     if (ConfigurationDescriptor)
     {
         //
-        // sanity checks
-        //
-        ASSERT(ConfigurationDescriptor->iConfiguration <
m_DeviceDescriptor.bNumConfigurations);
-        ASSERT(ConfigurationDescriptor->iConfiguration ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->iConfiguration);
+        // find configuration index
+        //
+        for(Index = 0; Index < m_DeviceDescriptor.bNumConfigurations; Index++)
+        {
+            if
(m_ConfigurationDescriptors[Index].ConfigurationDescriptor->iConfiguration ==
ConfigurationDescriptor->iConfiguration)
+            {
+                //
+                // found configuration index
+                //
+                ConfigurationIndex = Index;
+                Found = TRUE;
+            }
+        }
+
+        if (!Found)
+        {
+            DPRINT1("[USBUHCI] invalid configuration index %lu\n",
ConfigurationDescriptor->iConfiguration);
+            return STATUS_INVALID_PARAMETER;
+        }
 
         //
         // sanity check
         //
-        ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->bNumInterfaces);
+        ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor->bNumInterfaces);
 
         //
         // get configuration value
@@ -1159,14 +1177,14 @@
     }
 
     //
-    // store configuration device index
-    //
-    m_ConfigurationIndex = ConfigurationDescriptor->iConfiguration;
+    // store new configuration device index
+    //
+    m_ConfigurationIndex = ConfigurationIndex;
 
     //
     // store configuration handle
     //
-    *ConfigurationHandle =
&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration];
+    *ConfigurationHandle = &m_ConfigurationDescriptors[ConfigurationIndex];
 
     //
     // copy interface info and pipe info
@@ -1176,7 +1194,7 @@
         //
         // sanity check: is the info pre-layed out
         //
-        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
+        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
         PC_ASSERT(InterfaceInfo->Length != 0);
 #ifdef _MSC_VER
         PC_ASSERT(InterfaceInfo->Length == FIELD_OFFSET(USBD_INTERFACE_INFORMATION,
Pipes[InterfaceInfo->NumberOfPipes]));
@@ -1185,10 +1203,10 @@
         //
         // copy interface info
         //
-        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex];
-        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
-        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
-        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
+        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex];
+        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
+        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
+        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
         InterfaceInfo->Reserved = 0;
 
         //
@@ -1199,16 +1217,16 @@
             //
             // copy pipe info
             //
-            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
-            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
-            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
-            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
-            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
+            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
+            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
+            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
+            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
+            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
 
             //
             // data toggle is reset on configuration requests
             //
-           
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
+           
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
         }
 
         //

Modified: trunk/reactos/drivers/usb/usbuhci/usb_device.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbuhci/usb_de…
==============================================================================
--- trunk/reactos/drivers/usb/usbuhci/usb_device.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbuhci/usb_device.cpp [iso-8859-1] Wed Feb 22 18:57:49
2012
@@ -1144,19 +1144,37 @@
     USB_DEFAULT_PIPE_SETUP_PACKET CtrlSetup;
     NTSTATUS Status;
     UCHAR bConfigurationValue = 0;
+    ULONG ConfigurationIndex = 0, Index;
+    UCHAR Found = FALSE;
+
 
     if (ConfigurationDescriptor)
     {
         //
-        // sanity checks
-        //
-        ASSERT(ConfigurationDescriptor->iConfiguration <
m_DeviceDescriptor.bNumConfigurations);
-        ASSERT(ConfigurationDescriptor->iConfiguration ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->iConfiguration);
+        // find configuration index
+        //
+        for(Index = 0; Index < m_DeviceDescriptor.bNumConfigurations; Index++)
+        {
+            if
(m_ConfigurationDescriptors[Index].ConfigurationDescriptor->iConfiguration ==
ConfigurationDescriptor->iConfiguration)
+            {
+                //
+                // found configuration index
+                //
+                ConfigurationIndex = Index;
+                Found = TRUE;
+            }
+        }
+
+        if (!Found)
+        {
+            DPRINT1("[USBUHCI] invalid configuration index %lu\n",
ConfigurationDescriptor->iConfiguration);
+            return STATUS_INVALID_PARAMETER;
+        }
 
         //
         // sanity check
         //
-        ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].ConfigurationDescriptor->bNumInterfaces);
+        ASSERT(ConfigurationDescriptor->bNumInterfaces <=
m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor->bNumInterfaces);
 
         //
         // get configuration value
@@ -1199,14 +1217,14 @@
     }
 
     //
-    // store configuration device index
-    //
-    m_ConfigurationIndex = ConfigurationDescriptor->iConfiguration;
+    // store new configuration device index
+    //
+    m_ConfigurationIndex = ConfigurationIndex;
 
     //
     // store configuration handle
     //
-    *ConfigurationHandle =
&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration];
+    *ConfigurationHandle = &m_ConfigurationDescriptors[ConfigurationIndex];
 
     //
     // copy interface info and pipe info
@@ -1216,7 +1234,7 @@
         //
         // sanity check: is the info pre-layed out
         //
-        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
+        PC_ASSERT(InterfaceInfo->NumberOfPipes ==
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bNumEndpoints);
         PC_ASSERT(InterfaceInfo->Length != 0);
 #ifdef _MSC_VER
         PC_ASSERT(InterfaceInfo->Length == FIELD_OFFSET(USBD_INTERFACE_INFORMATION,
Pipes[InterfaceInfo->NumberOfPipes]));
@@ -1225,10 +1243,10 @@
         //
         // copy interface info
         //
-        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex];
-        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
-        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
-        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
+        InterfaceInfo->InterfaceHandle =
(USBD_INTERFACE_HANDLE)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex];
+        InterfaceInfo->Class =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceClass;
+        InterfaceInfo->SubClass =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceSubClass;
+        InterfaceInfo->Protocol =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].InterfaceDescriptor.bInterfaceProtocol;
         InterfaceInfo->Reserved = 0;
 
         //
@@ -1239,16 +1257,16 @@
             //
             // copy pipe info
             //
-            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
-            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
-            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
-            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
-            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
+            InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
+            InterfaceInfo->Pipes[PipeIndex].EndpointAddress =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
+            InterfaceInfo->Pipes[PipeIndex].Interval =
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bInterval;
+            InterfaceInfo->Pipes[PipeIndex].PipeType =
(USBD_PIPE_TYPE)m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
+            InterfaceInfo->Pipes[PipeIndex].PipeHandle =
(PVOID)&m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].EndPointDescriptor;
 
             //
             // data toggle is reset on configuration requests
             //
-           
m_ConfigurationDescriptors[ConfigurationDescriptor->iConfiguration].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
+           
m_ConfigurationDescriptors[ConfigurationIndex].Interfaces[InterfaceIndex].EndPoints[PipeIndex].DataToggle
= FALSE;
         }
 
         //