X-Git-Url: https://oss.titaniummirror.com/gitweb/?p=tinyos-2.x.git;a=blobdiff_plain;f=tos%2Flib%2Fserial%2FSerialActiveMessageP.nc;h=7bdc56382c65d5716fcff5c5d799098ab8a5955c;hp=0432ad2e98c46f0743bdf89dd2ce0fa84722b756;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hpb=adf1de6c009d13b7b52e68535c63b28f59c97400

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