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Better handle of wrong arguments in IoRegisterDeviceInterface

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svn path=/trunk/; revision=15002
This commit is contained in:
Hervé Poussineau 2005-05-05 15:39:09 +00:00
parent 0f4b0fd412
commit 9961bb7d69
1 changed files with 7 additions and 0 deletions
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7
reactos/ntoskrnl/io/deviface.c
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@ -585,6 +585,12 @@ IoRegisterDeviceInterface(
ULONG i;
NTSTATUS Status;
if (!(PhysicalDeviceObject->Flags & DO_BUS_ENUMERATED_DEVICE))
{
DPRINT("PhysicalDeviceObject 0x%p is not a valid Pdo\n", PhysicalDeviceObject);
return STATUS_INVALID_PARAMETER_1;
}
Status = RtlStringFromGUID(InterfaceClassGuid, &GuidString);
if (!NT_SUCCESS(Status))
{
@ -606,6 +612,7 @@ IoRegisterDeviceInterface(
ASSERT(PdoNameInfo->Name.Length);
/* Create base key name for this interface: HKLM\SYSTEM\CurrentControlSet\DeviceClasses\{GUID}\##?#ACPI#PNP0501#1#{GUID} */
ASSERT(PhysicalDeviceObject->DeviceObjectExtension->DeviceNode);
InstancePath = &PhysicalDeviceObject->DeviceObjectExtension->DeviceNode->InstancePath;
BaseKeyName.Length = wcslen(BaseKeyString) * sizeof(WCHAR);
BaseKeyName.MaximumLength = BaseKeyName.Length