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[VIDEOPRT] Correctly detach from device stack in case of failure

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This commit is contained in:
Hervé Poussineau 2022-10-15 15:02:36 +02:00
parent 13868ee0e8
commit f0b8a1730e
1 changed files with 10 additions and 9 deletions
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19
win32ss/drivers/videoprt/videoprt.c
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@ -244,9 +244,7 @@ IntVideoPortCreateAdapterDeviceObject(
if (!NT_SUCCESS(Status))
{
WARN_(VIDEOPRT, "IntCreateRegistryPath() call failed with status 0x%08x\n", Status);
IoDeleteDevice(*DeviceObject);
*DeviceObject = NULL;
return Status;
goto Failure;
}
if (PhysicalDeviceObject != NULL)
@ -314,9 +312,7 @@ IntVideoPortCreateAdapterDeviceObject(
if (!NT_SUCCESS(Status))
{
ERR_(VIDEOPRT, "IntCreateNewRegistryPath() failed with status 0x%08x\n", Status);
IoDeleteDevice(*DeviceObject);
*DeviceObject = NULL;
return Status;
goto Failure;
}
IntSetupDeviceSettingsKey(DeviceExtension);
@ -329,9 +325,7 @@ IntVideoPortCreateAdapterDeviceObject(
if (!NT_SUCCESS(Status))
{
ERR_(VIDEOPRT, "IntVideoPortAddDeviceMapLink() failed with status 0x%08x\n", Status);
IoDeleteDevice(*DeviceObject);
*DeviceObject = NULL;
return Status;
goto Failure;
}
if (DisplayNumber == 0)
@ -340,6 +334,13 @@ IntVideoPortCreateAdapterDeviceObject(
}
return STATUS_SUCCESS;
Failure:
if (DeviceExtension->NextDeviceObject)
IoDetachDevice(DeviceExtension->NextDeviceObject);
IoDeleteDevice(*DeviceObject);
*DeviceObject = NULL;
return Status;
}