[cgutman] 55912: [NTOSKRNL] - Fix linking of device children to respect the enumeration order instead of linking in reverse enumeration order - PCI cards (and other devices) now enumerate in the co...

Author: cgutman
Date: Wed Feb 29 06:08:15 2012
New Revision: 55912

URL: http://svn.reactos.org/svn/reactos?rev=55912&view=rev
Log:
[NTOSKRNL]
- Fix linking of device children to respect the enumeration order instead of linking in
reverse enumeration order
- PCI cards (and other devices) now enumerate in the correct order

Modified:
    trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c

Modified: trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.…
==============================================================================
--- trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c [iso-8859-1] Wed Feb 29 06:08:15 2012
@@ -1128,10 +1128,17 @@
     {
         KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
         Node->Parent = ParentNode;
-        Node->Sibling = ParentNode->Child;
-        ParentNode->Child = Node;
+        Node->Sibling = NULL;
         if (ParentNode->LastChild == NULL)
+        {
+            ParentNode->Child = Node;
             ParentNode->LastChild = Node;
+        }
+        else
+        {
+            ParentNode->LastChild->Sibling = Node;
+            ParentNode->LastChild = Node;
+        }
         KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
         Node->Level = ParentNode->Level + 1;
     }