X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Flib%2Fnet%2Fdip%2FDipVersionP.nc;h=e315b6c249c8da160f4070212f117ebec665e7fa;hb=e9bfab607e051bae6afb47b44892ce37541d1b44;hp=87922a1507735beb8a94481529cfbf0918dfca7a;hpb=5941e488eec8788182d5f627b21facf867a0152d;p=tinyos-2.x.git

diff --git a/tos/lib/net/dip/DipVersionP.nc b/tos/lib/net/dip/DipVersionP.nc
index 87922a15..e315b6c2 100644
--- a/tos/lib/net/dip/DipVersionP.nc
+++ b/tos/lib/net/dip/DipVersionP.nc
@@ -68,6 +68,9 @@ implementation {
     dip_index_t i;
 
     i = call DipHelp.keyToIndex(key);
+    if(i == DIP_UNKNOWN_INDEX) {
+      return DIP_UNKNOWN_VERSION;
+    }
     return versions[i];
   }