Add Reduce SMP collective from MVAPICH2

[simgrid.git] / src / smpi / colls / reduce-ompi.c

diff --git a/src/smpi/colls/reduce-ompi.c b/src/smpi/colls/reduce-ompi.c
index 24a25db..e9e3803 100644 (file)
--- a/src/smpi/colls/reduce-ompi.c
+++ b/src/smpi/colls/reduce-ompi.c
@@ -615,7 +615,7 @@ smpi_coll_tuned_reduce_ompi_basic_linear(void *sbuf, void *rbuf, int count,
         smpi_mpi_send(sbuf, count, dtype, root,
                                 COLL_TAG_REDUCE,
                                 comm);
-        return -1;
+        return MPI_SUCCESS;
     }
 
     /* see discussion in ompi_coll_basic_reduce_lin_intra about