From 54a1cf499432d0d618bbe59980b431dc689d2ccd Mon Sep 17 00:00:00 2001
From: razvanm <razvanm>
Date: Fri, 13 Feb 2009 01:02:26 +0000
Subject: [PATCH] Make the serial stack refuse (with ESIZE) to send packets
 that are too big.

---
 tos/lib/serial/SerialActiveMessageP.nc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tos/lib/serial/SerialActiveMessageP.nc b/tos/lib/serial/SerialActiveMessageP.nc
index 0432ad2e..7bdc5638 100644
--- a/tos/lib/serial/SerialActiveMessageP.nc
+++ b/tos/lib/serial/SerialActiveMessageP.nc
@@ -58,6 +58,11 @@ implementation {
 					  message_t* msg,
 					  uint8_t len) {
     serial_header_t* header = getHeader(msg);
+
+    if (len > call Packet.maxPayloadLength()) {
+      return ESIZE;
+    }
+
     header->dest = dest;
     // Do not set the source address or group, as doing so
     // prevents transparent bridging. Need a better long-term
-- 
2.39.2