[tkreuzer] 64143: [WIN32K] Prevent NULL pointer dereference and fix a compiler warning

Author: tkreuzer
Date: Sun Sep 14 12:33:03 2014
New Revision: 64143

URL: http://svn.reactos.org/svn/reactos?rev=64143&view=rev
Log:
[WIN32K]
Prevent NULL pointer dereference and fix a compiler warning

Modified:
    trunk/reactos/win32ss/gdi/ntgdi/gdidbg.c

Modified: trunk/reactos/win32ss/gdi/ntgdi/gdidbg.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/gdidbg.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/gdidbg.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/gdidbg.c	[iso-8859-1] Sun Sep 14 12:33:03 2014
@@ -324,12 +324,12 @@
 				r = 0;
 				DPRINT1("Used entry has KernelData == 0\n");
 			}
-			if (pEntry->KernelData <= MmHighestUserAddress)
+			else if (pEntry->KernelData <= MmHighestUserAddress)
 			{
 				r = 0;
 				DPRINT1("Used entry invalid KernelData\n");
 			}
-			if (((POBJ)(pEntry->KernelData))->hHmgr != Handle)
+			else if (((POBJ)(pEntry->KernelData))->hHmgr != Handle)
 			{
 				r = 0;
 				DPRINT1("Used entry %lu, has invalid hHmg %p (expected: %p)\n",
@@ -606,7 +606,7 @@
     }
 
     iChannel = ChannelEntry->Id;
-    ASSERT(iChannel >= 0 && iChannel < DbgChCount);
+    ASSERT(iChannel < DbgChCount);
 
     if(level == NULL || *level == L'\0' ||wcslen(level) == 0 )
         iLevel = MAX_LEVEL;