X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Fcc2420%2FCC2420ActiveMessageP.nc;fp=tos%2Fchips%2Fcc2420%2FCC2420ActiveMessageP.nc;h=0db2423c7b83167d7bf41b4797e85c117b52cb8f;hb=aa7578fd1472c62c1d22d0801fe0f55b36093bdf;hp=be40963711905e0cd6ab4cc049dbf23c8fa3ee30;hpb=c3864fde9bec0c02c0c6b4221ddde0801a82c980;p=tinyos-2.x.git

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();