[gadamopoulos] 73788: [BROWSEUI] -Fix a couple of cases where the tree view can cause a crash.

Author: gadamopoulos
Date: Mon Feb 13 15:04:03 2017
New Revision: 73788

URL: http://svn.reactos.org/svn/reactos?rev=73788&view=rev
Log:
[BROWSEUI] -Fix a couple of cases where the tree view can cause a crash.

Modified:
    trunk/reactos/dll/win32/browseui/explorerband.cpp

Modified: trunk/reactos/dll/win32/browseui/explorerband.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/browseui/explore…
==============================================================================
--- trunk/reactos/dll/win32/browseui/explorerband.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/browseui/explorerband.cpp	[iso-8859-1] Mon Feb 13 15:04:03
2017
@@ -358,10 +358,12 @@
 {
     /* Destroy memory associated to our node */
     NodeInfo* ptr = GetNodeInfo(pnmtv->itemNew.hItem);
-
-    ILFree(ptr->relativePidl);
-    ILFree(ptr->absolutePidl);
-    delete ptr;
+    if (ptr)
+    {    
+        ILFree(ptr->relativePidl);
+        ILFree(ptr->absolutePidl);
+        delete ptr;
+    }
     return TRUE;
 }
 
@@ -1511,7 +1513,10 @@
             hr = pDropTarget->DragEnter(pCurObject, glfKeyState, pt, pdwEffect);
             childTargetNode = info.hItem;
         }
-        hr = pDropTarget->DragOver(glfKeyState, pt, pdwEffect);
+        if (pDropTarget)
+        {
+            hr = pDropTarget->DragOver(glfKeyState, pt, pdwEffect);
+        }
     }
     else
     {