
As indicated in the MPI3.2 document 14.3.10 page 599 line 1, the only MPI error code possible is MPI_SUCCESS. All other errors must be in the error class MPI_T_ERR*. Fix the return of few pvar/cvar function that failed to correctly convert to an MPI error code. Signed-off-by: George Bosilca <bosilca@icl.utk.edu>