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[USBSTOR]

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- Fix attempt #2  the offset bug
- fix identation

svn path=/branches/usb-bringup-trunk/; revision=55089
This commit is contained in:
Johannes Anderwald 2012-01-23 02:58:52 +00:00
parent 8baf90438a
commit 99926db97d
1 changed files with 18 additions and 11 deletions
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29
drivers/usb/usbstor/scsi.c
View file

@ -589,12 +589,16 @@ USBSTOR_SendRequest(
if (CommandLength == UFI_READ_WRITE_CMD_LEN)
{
MdlVirtualAddress = MmGetMdlVirtualAddress(OriginalRequest->MdlAddress);
//
// is there an offset
//
if (MdlVirtualAddress != Context->TransferData)
{
{
//
// lets build an mdl
//
Context->TransferBufferMDL = IoAllocateMdl(Context->TransferData, MmGetMdlByteCount(OriginalRequest->MdlAddress), FALSE, FALSE, NULL);
Context->TransferBufferMDL = IoAllocateMdl(Context->TransferData, MmGetMdlByteCount(OriginalRequest->MdlAddress), FALSE, FALSE, NULL);
if (!Context->TransferBufferMDL)
{
//
@ -603,17 +607,20 @@ USBSTOR_SendRequest(
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// now build the partial mdl
//
IoBuildPartialMdl(OriginalRequest->MdlAddress, Context->TransferBufferMDL, Context->TransferData, Context->TransferDataLength);
}
//
// now build the partial mdl
//
IoBuildPartialMdl(OriginalRequest->MdlAddress, Context->TransferBufferMDL, Context->TransferData, Context->TransferDataLength);
}
}
//
// I/O paging request
//
Context->TransferBufferMDL = OriginalRequest->MdlAddress;
if (!Context->TransferBufferMDL)
{
//
// I/O paging request
//
Context->TransferBufferMDL = OriginalRequest->MdlAddress;
}
}
else
{