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sys: disallow driver unloading based on macro FSP_UNLOAD

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This commit is contained in:
Bill Zissimopoulos 2016-04-07 14:53:22 -07:00
parent 785c4ba29d
commit edf5eb2219
1 changed files with 16 additions and 0 deletions
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16
src/sys/driver.c
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@ -6,15 +6,27 @@
#include <sys/driver.h>
/*
* Define the following macro to include FspUnload.
*
* Note that this driver is no longer unloadable.
* See the comments in DriverEntry as to why!
*/
//#define FSP_UNLOAD
DRIVER_INITIALIZE DriverEntry;
static VOID FspDriverMultiVersionInitialize(VOID);
#if defined(FSP_UNLOAD)
DRIVER_UNLOAD FspUnload;
#endif
#ifdef ALLOC_PRAGMA
#pragma alloc_text(INIT, DriverEntry)
#pragma alloc_text(INIT, FspDriverMultiVersionInitialize)
#if defined(FSP_UNLOAD)
#pragma alloc_text(PAGE, FspUnload)
#endif
#endif
NTSTATUS DriverEntry(
PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
@ -49,7 +61,9 @@ NTSTATUS DriverEntry(
ASSERT(STATUS_SUCCESS == Result);
/* setup the driver object */
#if defined(FSP_UNLOAD)
DriverObject->DriverUnload = FspUnload;
#endif
DriverObject->MajorFunction[IRP_MJ_CREATE] = FspCreate;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = FspClose;
DriverObject->MajorFunction[IRP_MJ_READ] = FspRead;
@ -160,6 +174,7 @@ static VOID FspDriverMultiVersionInitialize(VOID)
}
}
#if defined(FSP_UNLOAD)
VOID FspUnload(
PDRIVER_OBJECT DriverObject)
{
@ -175,6 +190,7 @@ VOID FspUnload(
FSP_LEAVE_VOID("DriverName=\"%wZ\"",
&DriverObject->DriverName);
}
#endif
PDRIVER_OBJECT FspDriverObject;
PDEVICE_OBJECT FspFsctlDiskDeviceObject;