[cgutman] 36185: - Fix a possible crash

Author: cgutman
Date: Sat Sep 13 07:22:45 2008
New Revision: 36185

URL: http://svn.reactos.org/svn/reactos?rev=36185&view=rev
Log:
 - Fix a possible crash

Modified:
    branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c

Modified: branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c
URL:
http://svn.reactos.org/svn/reactos/branches/aicom-network-fixes/drivers/net…
==============================================================================
--- branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c [iso-8859-1]
(original)
+++ branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c [iso-8859-1] Sat Sep
13 07:22:45 2008
@@ -891,13 +891,15 @@
 
     Buffer          = _Packet->Private.Head;
     *_FirstBuffer   = Buffer;
-    *_FirstBufferVA = MmGetMdlVirtualAddress(Buffer);
 
     if (Buffer != NULL) {
         *_FirstBufferLength = MmGetMdlByteCount(Buffer);
+        *_FirstBufferVA = MmGetMdlVirtualAddress(Buffer);
         Buffer = Buffer->Next;
-    } else
+    } else {
         *_FirstBufferLength = 0;
+        *_FirstBufferVA = NULL;
+    }
 
     *_TotalBufferLength = *_FirstBufferLength;