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[USBSTOR]

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- Add sanity checks
- Check if device needs CDB padding and return error in that case

svn path=/branches/usb-bringup-trunk/; revision=55381
This commit is contained in:
Johannes Anderwald
2012-02-02 19:37:38 +00:00
parent 087dfd04c9
commit 59de50814d
1 changed files with 17 additions and 1 deletions
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drivers/usb/usbstor/fdo.c
+17 -1
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@@ -193,13 +193,29 @@ USBSTOR_FdoHandleStartDevice(
// Check that this device uses bulk transfers and is SCSI
//
InterfaceDesc = (PUSB_INTERFACE_DESCRIPTOR)((ULONG_PTR)DeviceExtension->ConfigurationDescriptor + sizeof(USB_CONFIGURATION_DESCRIPTOR));
//
// sanity check
//
ASSERT(InterfaceDesc->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE);
ASSERT(InterfaceDesc->bLength == sizeof(USB_INTERFACE_DESCRIPTOR));
DPRINT1("bInterfaceSubClass %x\n", InterfaceDesc->bInterfaceSubClass);
if (InterfaceDesc->bInterfaceProtocol != 0x50)
{
DPRINT1("USB Device is not a bulk only device and is not currently supported\n");
return STATUS_NOT_SUPPORTED;
}
if (InterfaceDesc->bInterfaceSubClass != 0x06)
{
//
// FIXME: need to pad CDBs to 12 byte
// mode select commands must be translated from 1AH / 15h to 5AH / 55h
//
DPRINT1("[USBSTOR] Error: need to pad CDBs\n");
return STATUS_NOT_IMPLEMENTED;
}
//
// now select an interface