[janderwald] 55775: [USBCCGP] - Send unconfigure request when the device is removed [USBOHCI] - Handle unconfigure request

Author: janderwald
Date: Tue Feb 21 03:03:27 2012
New Revision: 55775

URL: http://svn.reactos.org/svn/reactos?rev=55775&view=rev
Log:
[USBCCGP]
- Send unconfigure request when the device is removed
[USBOHCI]
- Handle unconfigure request

Modified:
    trunk/reactos/drivers/usb/usbccgp/fdo.c
    trunk/reactos/drivers/usb/usbohci/usb_device.cpp

Modified: trunk/reactos/drivers/usb/usbccgp/fdo.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbccgp/fdo.c?r...
==============================================================================
--- trunk/reactos/drivers/usb/usbccgp/fdo.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbccgp/fdo.c [iso-8859-1] Tue Feb 21 03:03:27 2012
@@ -409,6 +409,52 @@
 }

NTSTATUS
+FDO_CloseConfiguration(
+    IN PDEVICE_OBJECT DeviceObject)
+{
+    NTSTATUS Status;
+    PURB Urb;
+    PFDO_DEVICE_EXTENSION FDODeviceExtension;
+
+    // get device extension
+    FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+    ASSERT(FDODeviceExtension->Common.IsFDO);
+
+    //
+    // now allocate the urb
+    //
+    Urb = USBD_CreateConfigurationRequestEx(FDODeviceExtension->ConfigurationDescriptor, FDODeviceExtension->InterfaceList);
+    if (!Urb)
+    {
+        //
+        // no memory
+        //
+        return STATUS_INSUFFICIENT_RESOURCES;
+    }
+
+    //
+    // clear configuration descriptor to make it an unconfigure request
+    //
+    Urb->UrbSelectConfiguration.ConfigurationDescriptor = NULL;
+
+    //
+    // submit urb
+    //
+    Status = USBCCGP_SyncUrbRequest(FDODeviceExtension->NextDeviceObject, Urb);
+    if (!NT_SUCCESS(Status))
+    {
+        //
+        // failed to set configuration
+        //
+        DPRINT1("USBCCGP_SyncUrbRequest failed to unconfigure device\n", Status);
+    }
+
+    ExFreePool(Urb);
+    return Status;
+}
+
+
+NTSTATUS
 FDO_HandlePnp(
     PDEVICE_OBJECT DeviceObject,
     PIRP Irp)
@@ -429,6 +475,12 @@
     {
         case IRP_MN_REMOVE_DEVICE:
         {
+            //
+            // unconfigure device
+            //
+            DPRINT1("[USBCCGP] FDO IRP_MN_REMOVE\n");
+            FDO_CloseConfiguration(DeviceObject);
+
             /* Send the IRP down the stack */
             Status = USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
             if (NT_SUCCESS(Status))

Modified: trunk/reactos/drivers/usb/usbohci/usb_device.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbohci/usb_dev...
==============================================================================
--- trunk/reactos/drivers/usb/usbohci/usb_device.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbohci/usb_device.cpp [iso-8859-1] Tue Feb 21 03:03:27 2012
@@ -1103,29 +1103,48 @@
     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;
+
+    if (ConfigurationDescriptor)
+    {
+        //
+        // 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);
+
+        //
+        // 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