[hpoussin] 26047: Remove IopCreateDriverObject, which was buggy and duplicating IoCreateDriver functionality. Add IopCreateDriver to contain common code, called by IoCreateDriver and ex-callers of IopCreateDriverObject.
9 Mar
2007
9 Mar
'07
6:14 p.m.
Author: hpoussin
Date: Fri Mar 9 21:14:34 2007
New Revision: 26047
URL: http://svn.reactos.org/svn/reactos?rev=26047&view=rev
Log:
Remove IopCreateDriverObject, which was buggy and duplicating IoCreateDriver
functionality.
Add IopCreateDriver to contain common code, called by IoCreateDriver and ex-callers of
IopCreateDriverObject.
Modified:
trunk/reactos/ntoskrnl/include/internal/io.h
trunk/reactos/ntoskrnl/io/iomgr/driver.c
trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
Modified: trunk/reactos/ntoskrnl/include/internal/io.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/…
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/io.h (original)
+++ trunk/reactos/ntoskrnl/include/internal/io.h Fri Mar 9 21:14:34 2007
@@ -799,21 +799,16 @@
VOID
);
+NTSTATUS
+NTAPI
+IopCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
+ IN PDRIVER_INITIALIZE InitializationFunction,
+ OUT PDRIVER_OBJECT *pDriverObject);
+
VOID
NTAPI
IopDeleteDriver(
IN PVOID ObjectBody
-);
-
-NTSTATUS
-FASTCALL
-IopCreateDriverObject(
- OUT PDRIVER_OBJECT *DriverObject,
- IN PUNICODE_STRING ServiceName,
- IN ULONG CreateAttributes,
- IN BOOLEAN FileSystemDriver,
- IN PVOID DriverImageStart,
- IN ULONG DriverImageSize
);
NTSTATUS
Modified: trunk/reactos/ntoskrnl/io/iomgr/driver.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/driver.c…
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/driver.c (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/driver.c Fri Mar 9 21:14:34 2007
@@ -83,7 +83,7 @@
if (DriverObject->DriverExtension->ServiceKeyName.Buffer)
{
/* Free it */
- ExFreePool(DriverObject->DriverExtension->ServiceKeyName.Buffer);
+ //ExFreePool(DriverObject->DriverExtension->ServiceKeyName.Buffer);
}
}
@@ -96,7 +96,6 @@
PDRIVER_OBJECT Object;
WCHAR NameBuffer[MAX_PATH];
UNICODE_STRING DriverName;
- OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
DPRINT("IopOpenDriverObject(%p '%wZ' %x)\n",
@@ -121,18 +120,10 @@
DPRINT("Driver name: '%wZ'\n", &DriverName);
- /* Initialize ObjectAttributes for driver object */
- InitializeObjectAttributes(
- &ObjectAttributes,
- &DriverName,
- OBJ_OPENIF | OBJ_KERNEL_HANDLE,
- NULL,
- NULL);
-
/* Open driver object */
Status = ObReferenceObjectByName(
&DriverName,
- 0, /* Attributes */
+ OBJ_OPENIF | OBJ_KERNEL_HANDLE, /* Attributes */
NULL, /* PassedAccessState */
0, /* DesiredAccess */
IoDriverObjectType,
@@ -142,116 +133,6 @@
if (!NT_SUCCESS(Status))
return Status;
-
- *DriverObject = Object;
-
- return STATUS_SUCCESS;
-}
-
-NTSTATUS FASTCALL
-IopCreateDriverObject(
- PDRIVER_OBJECT *DriverObject,
- PUNICODE_STRING ServiceName,
- ULONG CreateAttributes,
- BOOLEAN FileSystem,
- PVOID DriverImageStart,
- ULONG DriverImageSize)
-{
- PDRIVER_OBJECT Object;
- WCHAR NameBuffer[MAX_PATH];
- UNICODE_STRING DriverName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- NTSTATUS Status;
- ULONG i;
- PWSTR Buffer = NULL;
-
- DPRINT("IopCreateDriverObject(%p '%wZ' %x %p %x)\n",
- DriverObject, ServiceName, FileSystem, DriverImageStart, DriverImageSize);
-
- *DriverObject = NULL;
-
- /* Create ModuleName string */
- if (ServiceName != NULL && ServiceName->Buffer != NULL)
- {
- if (FileSystem == TRUE)
- wcscpy(NameBuffer, FILESYSTEM_ROOT_NAME);
- else
- wcscpy(NameBuffer, DRIVER_ROOT_NAME);
- wcscat(NameBuffer, ServiceName->Buffer);
-
- RtlInitUnicodeString(&DriverName, NameBuffer);
- DPRINT("Driver name: '%wZ'\n", &DriverName);
-
- Buffer = (PWSTR)ExAllocatePool(PagedPool, DriverName.Length + sizeof(WCHAR));
- /* If we don't success, it is not a problem. Our driver
- * object will not have associated driver name... */
- }
- else
- {
- RtlInitUnicodeString(&DriverName, NULL);
- }
-
- /* Initialize ObjectAttributes for driver object */
- InitializeObjectAttributes(
- &ObjectAttributes,
- &DriverName,
- CreateAttributes | OBJ_PERMANENT,
- NULL,
- NULL);
-
- /* Create driver object */
- Status = ObCreateObject(
- KernelMode,
- IoDriverObjectType,
- &ObjectAttributes,
- KernelMode,
- NULL,
- sizeof(DRIVER_OBJECT),
- 0,
- 0,
- (PVOID*)&Object);
-
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
-
- /* Create driver extension */
- Object->DriverExtension = (PDRIVER_EXTENSION)
- ExAllocatePoolWithTag(
- NonPagedPool,
- sizeof(EXTENDED_DRIVER_EXTENSION),
- TAG_DRIVER_EXTENSION);
-
- if (Object->DriverExtension == NULL)
- {
- return STATUS_NO_MEMORY;
- }
-
- RtlZeroMemory(Object->DriverExtension, sizeof(EXTENDED_DRIVER_EXTENSION));
-
- Object->Type = IO_TYPE_DRIVER;
-
- for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
- Object->MajorFunction[i] = IopInvalidDeviceRequest;
-
- Object->HardwareDatabase = &IopHardwareDatabaseKey;
-
- Object->DriverStart = DriverImageStart;
- Object->DriverSize = DriverImageSize;
- if (Buffer)
- {
- if (!Object->DriverName.Buffer)
- {
- Object->DriverName.Buffer = Buffer;
- Object->DriverName.Length = DriverName.Length;
- Object->DriverName.MaximumLength = DriverName.Length + sizeof(WCHAR);
- RtlCopyMemory(Object->DriverName.Buffer, DriverName.Buffer,
DriverName.Length);
- Object->DriverName.Buffer[Object->DriverName.Length / sizeof(WCHAR)] =
L'\0';
- }
- else
- ExFreePool(Buffer);
- }
*DriverObject = Object;
@@ -457,6 +338,13 @@
return Status;
}
+static NTSTATUS
+NTAPI
+IopDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING
RegistryPath)
+{
+ return STATUS_SUCCESS;
+}
+
/*
* IopInitializeDriverModule
*
@@ -490,6 +378,8 @@
OUT PDRIVER_OBJECT *DriverObject)
{
const WCHAR ServicesKeyName[] =
L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\";
+ WCHAR NameBuffer[MAX_PATH];
+ UNICODE_STRING DriverName;
UNICODE_STRING RegistryKey;
PDRIVER_INITIALIZE DriverEntry;
PDRIVER_OBJECT Driver;
@@ -515,19 +405,34 @@
RtlInitUnicodeString(&RegistryKey, NULL);
}
- Status = IopCreateDriverObject(
- &Driver,
- ServiceName,
- 0,
- FileSystemDriver,
- ModuleObject->DllBase,
- ModuleObject->SizeOfImage);
+ /* Create ModuleName string */
+ if (ServiceName && ServiceName->Length > 0)
+ {
+ if (FileSystemDriver == TRUE)
+ wcscpy(NameBuffer, FILESYSTEM_ROOT_NAME);
+ else
+ wcscpy(NameBuffer, DRIVER_ROOT_NAME);
+ wcscat(NameBuffer, ServiceName->Buffer);
+
+ RtlInitUnicodeString(&DriverName, NameBuffer);
+ DPRINT("Driver name: '%wZ'\n", &DriverName);
+ Status = IopCreateDriver(&DriverName, IopDriverInitializeEmpty, &Driver);
+ }
+ else
+ {
+ Status = IopCreateDriver(NULL, IopDriverInitializeEmpty, &Driver);
+ }
+
*DriverObject = Driver;
if (!NT_SUCCESS(Status))
{
- DPRINT("IopCreateDriverObject failed (Status %x)\n", Status);
+ DPRINT("IopCreateDriver() failed (Status 0x%08lx)\n", Status);
return Status;
}
+
+ Driver->HardwareDatabase = &IopHardwareDatabaseKey;
+ Driver->DriverStart = ModuleObject->DllBase;
+ Driver->DriverSize = ModuleObject->SizeOfImage;
DPRINT("RegistryKey: %wZ\n", &RegistryKey);
DPRINT("Calling driver entrypoint at %08lx\n", DriverEntry);
@@ -1202,15 +1107,11 @@
}
}
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-/*
- * @implemented
- */
NTSTATUS
NTAPI
-IoCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
- IN PDRIVER_INITIALIZE InitializationFunction)
+IopCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
+ IN PDRIVER_INITIALIZE InitializationFunction,
+ OUT PDRIVER_OBJECT *pDriverObject)
{
WCHAR NameBuffer[100];
USHORT NameLength;
@@ -1338,9 +1239,28 @@
ObMakeTemporaryObject(DriverObject);
ObDereferenceObject(DriverObject);
}
+ else
+ {
+ /* Returns to caller the object */
+ *pDriverObject = DriverObject;
+ }
/* Return the Status */
return Status;
+}
+
+/* PUBLIC FUNCTIONS ***********************************************************/
+
+/*
+ * @implemented
+ */
+NTSTATUS
+NTAPI
+IoCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
+ IN PDRIVER_INITIALIZE InitializationFunction)
+{
+ PDRIVER_OBJECT DriverObject;
+ return IopCreateDriver(DriverName, InitializationFunction, &DriverObject);
}
/*
Modified: trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.…
==============================================================================
--- trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c (original)
+++ trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c Fri Mar 9 21:14:34 2007
@@ -3248,6 +3248,13 @@
}
}
+static NTSTATUS INIT_FUNCTION
+NTAPI
+PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING
RegistryPath)
+{
+ return STATUS_SUCCESS;
+}
+
VOID INIT_FUNCTION
PnpInit(VOID)
{
@@ -3275,7 +3282,7 @@
* Create root device node
*/
- Status = IopCreateDriverObject(&IopRootDriverObject, NULL, 0, FALSE, NULL, 0);
+ Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, &IopRootDriverObject);
if (!NT_SUCCESS(Status))
{
CPRINT("IoCreateDriverObject() failed\n");
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