- DeviceExtension should be NULL if the caller didn't specify any size for one.

svn path=/trunk/; revision=17084
2026-09-02 04:13:34 +00:00 · 2005-08-05 21:16:51 +00:00
parent 3d09f34d49
commit 6477828cdd
1 changed files with 3 additions and 1 deletions
@@ -503,7 +503,9 @@ IoCreateDevice(PDRIVER_OBJECT DriverObject,
    /* Set Device Object Data */
    CreatedDeviceObject->DeviceType = DeviceType;
    CreatedDeviceObject->Characteristics = DeviceCharacteristics;
-    CreatedDeviceObject->DeviceExtension = CreatedDeviceObject + 1;
+    CreatedDeviceObject->DeviceExtension = DeviceExtensionSize ?
+                                           CreatedDeviceObject + 1 :
+                                           NULL;
    CreatedDeviceObject->StackSize = 1;
    CreatedDeviceObject->AlignmentRequirement = 1; /* FIXME */