[tkreuzer] 50260: [WIN32K] Improve LDEVOBJ_bLoadImage, use ExportSectionPointer from the GdiDriverInfo structure instead of calling RtlImageDirectoryEntryToData

Author: tkreuzer
Date: Sun Jan  2 13:05:51 2011
New Revision: 50260

URL: http://svn.reactos.org/svn/reactos?rev=50260&view=rev
Log:
[WIN32K]
Improve LDEVOBJ_bLoadImage, use ExportSectionPointer from the GdiDriverInfo structure instead of calling RtlImageDirectoryEntryToData

Modified:
    trunk/reactos/subsystems/win32/win32k/eng/ldevobj.c

Modified: trunk/reactos/subsystems/win32/win32k/eng/ldevobj.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/eng...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/eng/ldevobj.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/eng/ldevobj.c [iso-8859-1] Sun Jan  2 13:05:51 2011
@@ -31,6 +31,8 @@
 NTAPI
 InitLDEVImpl()
 {
+    ULONG cbSize;
+
     /* Initialize the loader lock */
     ghsemLDEVList = EngCreateSemaphore();
     if (!ghsemLDEVList)
@@ -60,7 +62,11 @@
     gpldevWin32k->pGdiDriverInfo->ImageAddress = &__ImageBase;
     gpldevWin32k->pGdiDriverInfo->SectionPointer = NULL;
     gpldevWin32k->pGdiDriverInfo->EntryPoint = (PVOID)DriverEntry;
-    gpldevWin32k->pGdiDriverInfo->ExportSectionPointer = NULL;
+    gpldevWin32k->pGdiDriverInfo->ExportSectionPointer =
+        RtlImageDirectoryEntryToData(&__ImageBase,
+                                     TRUE,
+                                     IMAGE_DIRECTORY_ENTRY_EXPORT,
+                                     &cbSize);
     gpldevWin32k->pGdiDriverInfo->ImageLength = 0; // FIXME;

return STATUS_SUCCESS;
@@ -182,7 +188,7 @@

if (!NT_SUCCESS(Status))
     {
-        DPRINT1("Failed to load a GDI driver: '%S', Status = 0x%lx\n", 
+        DPRINT1("Failed to load a GDI driver: '%S', Status = 0x%lx\n",
                 pstrPathName->Buffer, Status);

/* Free the allocated memory */
@@ -277,17 +283,14 @@
     PVOID pvProcAdress = NULL;
     PUSHORT pOrdinals;
     PULONG pNames, pAddresses;
-    ULONG i, cbSize;
+    ULONG i;

/* Make sure we have a driver info */
     ASSERT(pldev && pldev->pGdiDriverInfo != NULL);

/* Get the pointer to the export directory */
     pvImageBase = pldev->pGdiDriverInfo->ImageAddress;
-    pExportDir = RtlImageDirectoryEntryToData(pvImageBase,
-                                              TRUE,
-                                              IMAGE_DIRECTORY_ENTRY_EXPORT,
-                                              &cbSize);
+    pExportDir = pldev->pGdiDriverInfo->ExportSectionPointer;
     if (!pExportDir)
     {
         return NULL;