Ensure we don't post a too big receive here, because this could lead to problems...

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

diff --git a/src/smpi/colls/gather-ompi.c b/src/smpi/colls/gather-ompi.c
index 18f1d08..4a7489b 100644 (file)
--- a/src/smpi/colls/gather-ompi.c
+++ b/src/smpi/colls/gather-ompi.c
@@ -135,7 +135,7 @@ smpi_coll_tuned_gather_ompi_binomial(void *sbuf, int scount,
                         "smpi_coll_tuned_gather_ompi_binomial rank %d recv %d mycount = %d",
                         rank, bmtree->tree_next[i], mycount);
 
-           smpi_mpi_recv(ptmp + total_recv*rextent, rcount*size-total_recv, rdtype,
+           smpi_mpi_recv(ptmp + total_recv*rextent, mycount, rdtype,
                                    bmtree->tree_next[i], COLL_TAG_GATHER,
                                    comm, &status);