| 289 | |
| 290 | |
| 291 | NTSTATUS |
| 292 | Ext2BuildRequest (PDEVICE_OBJECT DeviceObject, PIRP Irp) |
| 293 | { |
| 294 | BOOLEAN AtIrqlPassiveLevel = FALSE; |
| 295 | BOOLEAN IsTopLevelIrp = FALSE; |
| 296 | PEXT2_IRP_CONTEXT IrpContext = NULL; |
| 297 | NTSTATUS Status = STATUS_UNSUCCESSFUL; |
| 298 | |
| 299 | __try { |
| 300 | |
| 301 | __try { |
| 302 | |
| 303 | #if EXT2_DEBUG |
| 304 | Ext2DbgPrintCall(DeviceObject, Irp); |
| 305 | #endif |
| 306 | |
| 307 | AtIrqlPassiveLevel = (KeGetCurrentIrql() == PASSIVE_LEVEL); |
| 308 | |
| 309 | if (AtIrqlPassiveLevel) { |
| 310 | FsRtlEnterFileSystem(); |
| 311 | } |
| 312 | |
| 313 | if (!IoGetTopLevelIrp()) { |
| 314 | IsTopLevelIrp = TRUE; |
| 315 | IoSetTopLevelIrp(Irp); |
| 316 | } |
| 317 | |
| 318 | IrpContext = Ext2AllocateIrpContext(DeviceObject, Irp); |
| 319 | |
| 320 | if (!IrpContext) { |
| 321 | |
| 322 | Status = STATUS_INSUFFICIENT_RESOURCES; |
| 323 | Irp->IoStatus.Status = Status; |
| 324 | |
| 325 | Ext2CompleteRequest(Irp, TRUE, IO_NO_INCREMENT); |
| 326 | |
| 327 | } else { |
| 328 | |
| 329 | if ((IrpContext->MajorFunction == IRP_MJ_CREATE) && |
| 330 | !AtIrqlPassiveLevel) { |
| 331 | |
| 332 | DbgBreak(); |
| 333 | } |
| 334 | |
| 335 | Status = Ext2DispatchRequest(IrpContext); |
| 336 | } |
| 337 | } __except (Ext2ExceptionFilter(IrpContext, GetExceptionInformation())) { |
| 338 | |
| 339 | Status = Ext2ExceptionHandler(IrpContext); |
| 340 | } |
| 341 | |
| 342 | } __finally { |
| 343 | |
| 344 | if (IsTopLevelIrp) { |
| 345 | IoSetTopLevelIrp(NULL); |
| 346 | } |
| 347 | |
| 348 | if (AtIrqlPassiveLevel) { |
nothing calls this directly
no test coverage detected