[hbelusca] 57499: [NTOSKRNL] Fix Coverity defects : CID 716579, 716580 and 716582.

Author: hbelusca
Date: Sat Oct  6 18:46:13 2012
New Revision: 57499

URL: http://svn.reactos.org/svn/reactos?rev=57499&view=rev
Log:
[NTOSKRNL]
Fix Coverity defects : CID 716579, 716580 and 716582.

Modified:
    trunk/reactos/ntoskrnl/fstub/fstubex.c
    trunk/reactos/ntoskrnl/io/iomgr/driver.c
    trunk/reactos/ntoskrnl/io/iomgr/error.c

Modified: trunk/reactos/ntoskrnl/fstub/fstubex.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/fstub/fstubex.c?re...
==============================================================================
--- trunk/reactos/ntoskrnl/fstub/fstubex.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/fstub/fstubex.c [iso-8859-1] Sat Oct  6 18:46:13 2012
@@ -1605,7 +1605,7 @@
                                    DriveLayout);

/* Free allocated structure and return */
-    ExFreePool(DriveLayout);
+    ExFreePoolWithTag(DriveLayout, 'BtsF');
     return Status;
 }

Modified: trunk/reactos/ntoskrnl/io/iomgr/driver.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/driver.c?...
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/driver.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/driver.c [iso-8859-1] Sat Oct  6 18:46:13 2012
@@ -1770,7 +1770,7 @@
     if (!Inserted)
     {
         /* Free the entry and fail */
-        ExFreePool(NewDriverExtension);
+        ExFreePoolWithTag(NewDriverExtension, TAG_DRIVER_EXTENSION);
         return STATUS_OBJECT_NAME_COLLISION;
     }

Modified: trunk/reactos/ntoskrnl/io/iomgr/error.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/error.c?r...
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/error.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/error.c [iso-8859-1] Sat Oct  6 18:46:13 2012
@@ -486,14 +486,33 @@
 {
     PERROR_LOG_ENTRY LogEntry;
     ULONG LogEntrySize;
+    PDEVICE_OBJECT DeviceObject;
     PDRIVER_OBJECT DriverObject;
-    PDEVICE_OBJECT DeviceObject;

/* Make sure we have an object */
     if (!IoObject) return NULL;

/* Check if we're past our buffer */
     if (IopTotalLogSize > PAGE_SIZE) return NULL;
+
+    /* Check if this is a device object or driver object */
+    if (((PDEVICE_OBJECT)IoObject)->Type == IO_TYPE_DEVICE)
+    {
+        /* It's a device, get the driver */
+        DeviceObject = (PDEVICE_OBJECT)IoObject;
+        DriverObject = DeviceObject->DriverObject;
+    }
+    else if (((PDEVICE_OBJECT)IoObject)->Type == IO_TYPE_DRIVER)
+    {
+        /* It's a driver, so we don't have a device */
+        DeviceObject = NULL;
+        DriverObject = (PDRIVER_OBJECT)IoObject;
+    }
+    else
+    {
+        /* Fail */
+        return NULL;
+    }

/* Calculate the total size and allocate it */
     LogEntrySize = sizeof(ERROR_LOG_ENTRY) + EntrySize;
@@ -501,25 +520,6 @@
                                      LogEntrySize,
                                      TAG_ERROR_LOG);
     if (!LogEntry) return NULL;
-
-    /* Check if this is a device object or driver object */
-    if (((PDEVICE_OBJECT)IoObject)->Type == IO_TYPE_DEVICE)
-    {
-        /* It's a device, get the driver */
-        DeviceObject = (PDEVICE_OBJECT)IoObject;
-        DriverObject = DeviceObject->DriverObject;
-    }
-    else if (((PDEVICE_OBJECT)IoObject)->Type == IO_TYPE_DRIVER)
-    {
-        /* It's a driver, so we don' thave a device */
-        DeviceObject = NULL;
-        DriverObject = IoObject;
-    }
-    else
-    {
-        /* Fail */
-        return NULL;
-    }

/* Reference the Objects */
     if (DeviceObject) ObReferenceObject(DeviceObject);