[dgorbachev] 53862: [NTOSKRNL] - Do not reference/dereference device node, but device object. - Fix compiler warning.

Author: dgorbachev
Date: Mon Sep 26 15:35:24 2011
New Revision: 53862

URL: http://svn.reactos.org/svn/reactos?rev=53862&view=rev
Log:
[NTOSKRNL]
- Do not reference/dereference device node, but device object.
- Fix compiler warning.

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.c...
==============================================================================
--- trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c [iso-8859-1] Mon Sep 26 15:35:24 2011
@@ -122,7 +122,7 @@
       if (!SystemPowerDeviceNodeCreated)
       {
          PopSystemPowerDeviceNode = DeviceNode;
-         ObReferenceObject(PopSystemPowerDeviceNode);
+         ObReferenceObject(PopSystemPowerDeviceNode->PhysicalDeviceObject);
          SystemPowerDeviceNodeCreated = TRUE;
       }
    }
@@ -1937,7 +1937,7 @@
             {
                 /* Ignore this DO */
                 DPRINT1("IopCreateDeviceNode() failed with status 0x%08x. Skipping PDO %u\n", Status, i);
-                ObDereferenceObject(ChildDeviceNode);
+                ObDereferenceObject(ChildDeviceObject);
             }
         }
         else
@@ -2764,7 +2764,8 @@
    OBJECT_ATTRIBUTES ObjectAttributes;
    HANDLE hPnpKey;
    PKEY_VALUE_PARTIAL_INFORMATION KeyInformation;
-   ULONG DesiredLength, Length, KeyValue;
+   ULONG DesiredLength, Length;
+   ULONG KeyValue = 0;
    NTSTATUS Status;

InitializeObjectAttributes(&ObjectAttributes, &KeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
@@ -2797,7 +2798,6 @@
                else
                {
                    DPRINT1("ZwQueryValueKey(%wZ%wZ) failed\n", &KeyPathU, &KeyNameU);
-                   KeyValue = 0;
                }

ExFreePool(KeyInformation);
@@ -2805,13 +2805,11 @@
            else
            {
                DPRINT1("Failed to allocate memory for registry query\n");
-               KeyValue = 0;
            }
        }
        else
        {
            DPRINT1("ZwQueryValueKey(%wZ%wZ) failed with status 0x%08lx\n", &KeyPathU, &KeyNameU, Status);
-           KeyValue = 0;
        }

ZwClose(hPnpKey);