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[NTOS:IO] Handle missing device instance in IopInitializeBuiltinDriver. CORE-18793

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Thomas Faber 2023-01-14 16:36:57 -05:00
parent 6c06760547
commit 543d390259
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GPG key ID: 076E7C3D44720826
1 changed files with 10 additions and 3 deletions
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13
ntoskrnl/io/iomgr/driver.c
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@ -967,9 +967,16 @@ IopInitializeBuiltinDriver(IN PLDR_DATA_TABLE_ENTRY BootLdrEntry)
instancePath.Buffer[instancePath.Length / sizeof(WCHAR)] = UNICODE_NULL;
PDEVICE_OBJECT pdo = IopGetDeviceObjectFromDeviceInstance(&instancePath);
PiQueueDeviceAction(pdo, PiActionAddBootDevices, NULL, NULL);
ObDereferenceObject(pdo);
deviceAdded = TRUE;
if (pdo != NULL)
{
PiQueueDeviceAction(pdo, PiActionAddBootDevices, NULL, NULL);
ObDereferenceObject(pdo);
deviceAdded = TRUE;
}
else
{
DPRINT1("No device node found matching instance path '%wZ'\n", &instancePath);
}
}
ExFreePool(kvInfo);