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[KS]

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- dont access pin descriptor beyond size
- found with special pool

svn path=/trunk/; revision=66401
This commit is contained in:
Johannes Anderwald 2015-02-22 10:16:46 +00:00
parent 167a0c4414
commit 68f04beae4
1 changed files with 7 additions and 5 deletions
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12
reactos/drivers/ksfilter/ks/connectivity.c
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@ -350,6 +350,13 @@ KspPinPropertyHandler(
return STATUS_INVALID_PARAMETER; return STATUS_INVALID_PARAMETER;
} }
} }
else
{
(*(PULONG)Buffer) = DescriptorsCount;
Irp->IoStatus.Information = sizeof(ULONG);
return STATUS_SUCCESS;
}
if (DescriptorSize == sizeof(KSPIN_DESCRIPTOR)) if (DescriptorSize == sizeof(KSPIN_DESCRIPTOR))
{ {
@ -364,11 +371,6 @@ KspPinPropertyHandler(
switch(Property->Id) switch(Property->Id)
{ {
case KSPROPERTY_PIN_CTYPES:
(*(PULONG)Buffer) = DescriptorsCount;
Irp->IoStatus.Information = sizeof(ULONG);
Status = STATUS_SUCCESS;
break;
case KSPROPERTY_PIN_DATAFLOW: case KSPROPERTY_PIN_DATAFLOW:
Size = sizeof(KSPIN_DATAFLOW); Size = sizeof(KSPIN_DATAFLOW);