From 875ad7ffda7deeb207dec1bf285b5ae4890e51a2 Mon Sep 17 00:00:00 2001
From: nifi <nifi>
Date: Mon, 26 Apr 2010 22:05:40 +0000
Subject: [PATCH] Fixed to not change the header if the header allocation fails

---
 core/net/rime/packetbuf.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/core/net/rime/packetbuf.c b/core/net/rime/packetbuf.c
index a47a09240..d8444fa28 100644
--- a/core/net/rime/packetbuf.c
+++ b/core/net/rime/packetbuf.c
@@ -33,7 +33,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: packetbuf.c,v 1.7 2010/03/29 21:53:04 adamdunkels Exp $
+ * $Id: packetbuf.c,v 1.8 2010/04/26 22:05:40 nifi Exp $
  */
 
 /**
@@ -168,11 +168,10 @@ packetbuf_copyto(void *to)
 int
 packetbuf_hdralloc(int size)
 {
-  if(hdrptr > size) {
+  if(hdrptr >= size) {
     hdrptr -= size;
     return 1;
   }
-  hdrptr = 0;
   return 0;
 }
 /*---------------------------------------------------------------------------*/