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sys: FSP_ENTER/FSP_LEAVE

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This commit is contained in:
Bill Zissimopoulos
2015-11-17 11:50:12 -08:00
parent be46a057c5
commit ef2d278311
19 changed files with 136 additions and 120 deletions
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22
src/sys/driver.c
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@ -19,17 +19,15 @@ DriverEntry(
_In_ PDRIVER_OBJECT DriverObject,
_In_ PUNICODE_STRING RegistryPath)
{
UNREFERENCED_PARAMETER(RegistryPath);
NTSTATUS Status;
FSP_ENTER();
/* create the file system device object */
UNICODE_STRING DeviceName;
RtlInitUnicodeString(&DeviceName, L"" DRIVER_NAME);
Status = IoCreateDevice(DriverObject, 0, &DeviceName, FILE_DEVICE_FILE_SYSTEM, 0, FALSE,
Result = IoCreateDevice(DriverObject, 0, &DeviceName, FILE_DEVICE_FILE_SYSTEM, 0, FALSE,
&FspDeviceObject);
if (!NT_SUCCESS(Status))
return Status;
if (!NT_SUCCESS(Result))
FSP_RETURN();
/* setup the driver object */
DriverObject->DriverUnload = FspUnload;
@ -96,20 +94,19 @@ DriverEntry(
/*
* Register as a file system; this informs all filter drivers.
* Future drivers will not be informed because we are a FILE_DEVICE_FILE_SYSTEM!
* Future drivers will *not* be informed because we are a FILE_DEVICE_FILE_SYSTEM!
*/
IoRegisterFileSystem(FspDeviceObject);
return STATUS_SUCCESS;
FSP_LEAVE("DriverObject->DriverName=\"%wZ\", RegistryPath=\"%wZ\"",
&DriverObject->DriverName, RegistryPath);
}
VOID
FspUnload(
_In_ PDRIVER_OBJECT DriverObject)
{
UNREFERENCED_PARAMETER(DriverObject);
PAGED_CODE();
FSP_ENTER_VOID(PAGED_CODE());
if (0 != FspDeviceObject)
{
@ -117,6 +114,9 @@ FspUnload(
IoDeleteDevice(FspDeviceObject);
FspDeviceObject = 0;
}
FSP_LEAVE_VOID("DriverObject->DriverName=\"%wZ\"",
&DriverObject->DriverName);
}
PDEVICE_OBJECT FspDeviceObject;