return STATUS_INSUFFICIENT_RESOURCES;
}
- MmBuildMdlForNonPagedPool(Mdl);
- Mdl->MdlFlags |= MDL_IO_PAGE_READ;
- KeInitializeEvent(&Event, NotificationEvent, FALSE);
- Status = IoPageRead(Vacb->SharedCacheMap->FileObject, Mdl, &Vacb->FileOffset, &Event, &IoStatus);
- if (Status == STATUS_PENDING)
+ Status = STATUS_SUCCESS;
+ _SEH2_TRY
+ {
+ MmProbeAndLockPages(Mdl, KernelMode, IoWriteAccess);
+ }
+ _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER)
+ {
+ Status = _SEH2_GetExceptionCode();
+ KeBugCheck(CACHE_MANAGER);
+ } _SEH2_END;
+
+ if (NT_SUCCESS(Status))
{
- KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
- Status = IoStatus.Status;
+ Mdl->MdlFlags |= MDL_IO_PAGE_READ;
+ KeInitializeEvent(&Event, NotificationEvent, FALSE);
+ Status = IoPageRead(Vacb->SharedCacheMap->FileObject, Mdl, &Vacb->FileOffset, &Event, &IoStatus);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
+ Status = IoStatus.Status;
+ }
+
+ MmUnlockPages(Mdl);
}
IoFreeMdl(Mdl);