[tfaber] 71082: [NTOS:PNP] - Avoid INVALID_HANDLE_VALUE, it's not meant for the kernel.

Author: tfaber
Date: Thu Mar 31 07:51:08 2016
New Revision: 71082

URL: http://svn.reactos.org/svn/reactos?rev=71082&view=rev
Log:
[NTOS:PNP]
- Avoid INVALID_HANDLE_VALUE, it's not meant for the kernel.

Modified:
    trunk/reactos/ntoskrnl/io/pnpmgr/pnpmgr.c
    trunk/reactos/ntoskrnl/io/pnpmgr/pnproot.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] Thu Mar 31 07:51:08 2016
@@ -781,7 +781,7 @@
    PDEVICE_NODE DeviceNode)
 {
    NTSTATUS Status;
-   HANDLE InstanceHandle = INVALID_HANDLE_VALUE, ControlHandle = INVALID_HANDLE_VALUE;
+   HANDLE InstanceHandle = NULL, ControlHandle = NULL;
    UNICODE_STRING KeyName;
    OBJECT_ATTRIBUTES ObjectAttributes;

@@ -817,10 +817,10 @@
    // }

ByeBye:
-   if (ControlHandle != INVALID_HANDLE_VALUE)
+   if (ControlHandle != NULL)
        ZwClose(ControlHandle);

-   if (InstanceHandle != INVALID_HANDLE_VALUE)
+   if (InstanceHandle != NULL)
        ZwClose(InstanceHandle);

return Status;

Modified: trunk/reactos/ntoskrnl/io/pnpmgr/pnproot.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/pnpmgr/pnproot....
==============================================================================
--- trunk/reactos/ntoskrnl/io/pnpmgr/pnproot.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/pnpmgr/pnproot.c	[iso-8859-1] Thu Mar 31 07:51:08 2016
@@ -198,7 +198,7 @@
     UNICODE_STRING PathSep = RTL_CONSTANT_STRING(L"\");
     ULONG NextInstance;
     UNICODE_STRING EnumKeyName = RTL_CONSTANT_STRING(L"\Registry\Machine\" REGSTR_PATH_SYSTEMENUM);
-    HANDLE EnumHandle, DeviceKeyHandle = INVALID_HANDLE_VALUE, InstanceKeyHandle;
+    HANDLE EnumHandle, DeviceKeyHandle = NULL, InstanceKeyHandle;
     RTL_QUERY_REGISTRY_TABLE QueryTable[2];
     OBJECT_ATTRIBUTES ObjectAttributes;

@@ -377,7 +377,7 @@
         RtlFreeUnicodeString(&Device->InstanceID);
         ExFreePoolWithTag(Device, TAG_PNP_ROOT);
     }
-    if (DeviceKeyHandle != INVALID_HANDLE_VALUE)
+    if (DeviceKeyHandle != NULL)
         ObCloseHandle(DeviceKeyHandle, KernelMode);
     return Status;
 }
@@ -447,9 +447,9 @@
     WCHAR DevicePath[MAX_PATH + 1];
     RTL_QUERY_REGISTRY_TABLE QueryTable[4];
     PPNPROOT_DEVICE Device = NULL;
-    HANDLE KeyHandle = INVALID_HANDLE_VALUE;
-    HANDLE SubKeyHandle = INVALID_HANDLE_VALUE;
-    HANDLE DeviceKeyHandle = INVALID_HANDLE_VALUE;
+    HANDLE KeyHandle = NULL;
+    HANDLE SubKeyHandle = NULL;
+    HANDLE DeviceKeyHandle = NULL;
     ULONG BufferSize;
     ULONG ResultSize;
     ULONG Index1, Index2;
@@ -627,7 +627,7 @@
                 }

ZwClose(DeviceKeyHandle);
-                DeviceKeyHandle = INVALID_HANDLE_VALUE;
+                DeviceKeyHandle = NULL;

/* Insert the newly created device into the list */
                 InsertTailList(
@@ -641,7 +641,7 @@
         }

ZwClose(SubKeyHandle);
-        SubKeyHandle = INVALID_HANDLE_VALUE;
+        SubKeyHandle = NULL;
         Index1++;
     }

@@ -652,11 +652,11 @@
         /* FIXME */
         ExFreePoolWithTag(Device, TAG_PNP_ROOT);
     }
-    if (DeviceKeyHandle != INVALID_HANDLE_VALUE)
+    if (DeviceKeyHandle != NULL)
         ZwClose(DeviceKeyHandle);
-    if (SubKeyHandle != INVALID_HANDLE_VALUE)
+    if (SubKeyHandle != NULL)
         ZwClose(SubKeyHandle);
-    if (KeyHandle != INVALID_HANDLE_VALUE)
+    if (KeyHandle != NULL)
         ZwClose(KeyHandle);
     if (KeyInfo)
         ExFreePoolWithTag(KeyInfo, TAG_PNP_ROOT);