From 42b450d2e6d5eda17245d38f4d2bceb6b60e5400 Mon Sep 17 00:00:00 2001
From: rincon <rincon>
Date: Mon, 18 Aug 2008 22:04:15 +0000
Subject: [PATCH] Added a length check to make sure we don't try to send a
 packet that is too big

---
 tos/chips/cc2420/CC2420ActiveMessageP.nc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tos/chips/cc2420/CC2420ActiveMessageP.nc b/tos/chips/cc2420/CC2420ActiveMessageP.nc
index be409637..0db2423c 100644
--- a/tos/chips/cc2420/CC2420ActiveMessageP.nc
+++ b/tos/chips/cc2420/CC2420ActiveMessageP.nc
@@ -62,6 +62,11 @@ implementation {
 					  message_t* msg,
 					  uint8_t len) {
     cc2420_header_t* header = call CC2420PacketBody.getHeader( msg );
+    
+    if (len > call Packet.maxPayloadLength()) {
+      return ESIZE;
+    }
+    
     header->type = id;
     header->dest = addr;
     header->destpan = call CC2420Config.getPanAddr();
-- 
2.39.2