keep in mind the size of sub-datatype, to avoid some illegal copies

[simgrid.git] / src / smpi / smpi_pmpi.cpp

diff --git a/src/smpi/smpi_pmpi.cpp b/src/smpi/smpi_pmpi.cpp
index a9927ed..5c00ad0 100644 (file)
--- a/src/smpi/smpi_pmpi.cpp
+++ b/src/smpi/smpi_pmpi.cpp
@@ -2635,7 +2635,7 @@ int PMPI_Type_create_resized(MPI_Datatype oldtype,MPI_Aint lb, MPI_Aint extent,
     MPI_Datatype types[3] = { MPI_LB, oldtype, MPI_UB };
 
     s_smpi_mpi_struct_t* subtype = smpi_datatype_struct_create( blocks, disps, 3, types);
-    smpi_datatype_create(newtype,oldtype->size, lb, lb + extent, 1 , subtype, DT_FLAG_VECTOR);
+    smpi_datatype_create(newtype,oldtype->size, lb, lb + extent, sizeof(s_smpi_mpi_struct_t) , subtype, DT_FLAG_VECTOR);
 
     (*newtype)->flags &= ~DT_FLAG_COMMITED;
     return MPI_SUCCESS;