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add some asserts

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svn path=/trunk/; revision=14498
This commit is contained in:
Royce Mitchell III 2005-04-05 05:12:16 +00:00
parent 13027a8afa
commit f165c00432
1 changed files with 12 additions and 9 deletions
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21
reactos/ntoskrnl/io/mdl.c
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@ -4,7 +4,7 @@
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/io/mdl.c
* PURPOSE: Io manager mdl functions
*
*
* PROGRAMMERS: David Welch (welch@mcmail.com)
*/
@ -32,7 +32,7 @@ IoAllocateMdl(PVOID VirtualAddress,
PIRP Irp)
{
PMDL Mdl;
if (ChargeQuota)
{
// Mdl = ExAllocatePoolWithQuota(NonPagedPool,
@ -48,27 +48,27 @@ IoAllocateMdl(PVOID VirtualAddress,
TAG_MDL);
}
MmInitializeMdl(Mdl, (char*)VirtualAddress, Length);
if (Irp)
{
if (SecondaryBuffer)
{
ASSERT(Irp->MdlAddress);
/* FIXME: add to end of list maybe?? */
Mdl->Next = Irp->MdlAddress->Next;
Irp->MdlAddress->Next = Mdl;
}
else
{
/*
/*
* What if there's allready an mdl at Irp->MdlAddress?
* Is that bad and should we do something about it?
*/
Irp->MdlAddress = Mdl;
}
}
return(Mdl);
}
@ -122,13 +122,16 @@ IoBuildPartialMdl(PMDL SourceMdl,
*/
VOID STDCALL
IoFreeMdl(PMDL Mdl)
{
/*
{
/*
* This unmaps partial mdl's from kernel space but also asserts that non-partial
* mdl's isn't still mapped into kernel space.
*/
ASSERT(Mdl);
ASSERT_IRQL(DISPATCH_LEVEL);
MmPrepareMdlForReuse(Mdl);
ExFreePool(Mdl);
}