model-checker : minor fix in ddfs algorithm

[simgrid.git] / src / smpi / colls / allgather-ring.c

diff --git a/src/smpi/colls/allgather-ring.c b/src/smpi/colls/allgather-ring.c
index 6108ae5be8cd03fa9fc3e28fcc46ebdd8eefbdd2..4634ddce816d68922b435cc67b6b538b8ab9b811 100644 (file)
--- a/src/smpi/colls/allgather-ring.c
+++ b/src/smpi/colls/allgather-ring.c
@@ -66,7 +66,7 @@ smpi_coll_tuned_allgather_ring(void *send_buff, int send_count,
 
   MPI_Aint extent;
   int i, src, dst, rank, num_procs;
-  int tag = 1;
+  int tag = COLL_TAG_ALLGATHER;
   MPI_Status status;
 
   char *sendptr = (char *) send_buff;