From 8ef4afc835385d65f89629c132a2f8aba3041ed7 Mon Sep 17 00:00:00 2001
From: Aleksey Bragin <aleksey@reactos.org>
Date: Sat, 9 Jun 2007 10:03:33 +0000
Subject: [PATCH] - Don't load a module with the same name more than once.

svn path=/trunk/; revision=27083
---
 reactos/boot/freeldr/freeldr/arch/i386/loader.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/reactos/boot/freeldr/freeldr/arch/i386/loader.c b/reactos/boot/freeldr/freeldr/arch/i386/loader.c
index 9fd6a57487d..b2a43d39b99 100644
--- a/reactos/boot/freeldr/freeldr/arch/i386/loader.c
+++ b/reactos/boot/freeldr/freeldr/arch/i386/loader.c
@@ -596,6 +596,14 @@ FrLdrMapImage(IN FILE *Image,
     ULONG ImageSize;
     NTSTATUS Status = STATUS_SUCCESS;
 
+    /* Try to see, maybe it's loaded already */
+    if (LdrGetModuleObject(Name) != NULL)
+    {
+        /* It's loaded, return NULL. It would be wise to return 
+           correct LoadBase, but it seems to be ignored almost everywhere */
+        return NULL;
+    }
+
     /* Set the virtual (image) and physical (load) addresses */
     LoadBase = (PVOID)NextModuleBase;
     ImageBase = RVA(LoadBase , -KERNEL_BASE_PHYS + KSEG0_BASE);