[janderwald] 25252: - check if IoCreateDevice succeeded...

Author: janderwald
Date: Sun Dec 31 18:28:20 2006
New Revision: 25252

URL: http://svn.reactos.org/svn/reactos?rev=25252&view=rev
Log:
- check if IoCreateDevice succeeded...

Modified:
    trunk/reactos/drivers/base/blue/blue.c

Modified: trunk/reactos/drivers/base/blue/blue.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/base/blue/blue.c?re...
==============================================================================
--- trunk/reactos/drivers/base/blue/blue.c (original)
+++ trunk/reactos/drivers/base/blue/blue.c Sun Dec 31 18:28:20 2006
@@ -801,6 +801,7 @@
 DriverEntry (PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
 {
     PDEVICE_OBJECT DeviceObject;
+    NTSTATUS Status;
     UNICODE_STRING DeviceName = RTL_CONSTANT_STRING(L"\Device\BlueScreen");
     UNICODE_STRING SymlinkName = RTL_CONSTANT_STRING(L"\??\BlueScreen");

@@ -812,13 +813,18 @@
     DriverObject->MajorFunction[IRP_MJ_WRITE]  = ScrWrite;
     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL ] = ScrIoControl;

-    IoCreateDevice (DriverObject,
-                    sizeof(DEVICE_EXTENSION),
-                    &DeviceName,
-                    FILE_DEVICE_SCREEN,
-                    0,
-                    TRUE,
-                    &DeviceObject);
+    Status = IoCreateDevice (DriverObject,
+                             sizeof(DEVICE_EXTENSION),
+                             &DeviceName,
+                             FILE_DEVICE_SCREEN,
+                             0,
+                             TRUE,
+                             &DeviceObject);
+
+    if (!NT_SUCCESS(Status))
+      {
+        return Status;
+      }

IoCreateSymbolicLink (&SymlinkName, &DeviceName);