Properly free memory in case of error in mca_common_ompio_prepare_to_group

Signed-off-by: Joseph Schuchart <schuchart@hlrs.de>

ompi/mca/common/ompio/common_ompio_aggregators.c

@@ -1303,12 +1303,14 @@ int mca_common_ompio_prepare_to_group(ompio_file_t *fh,
                                            fh->f_comm);
     if ( OMPI_SUCCESS != ret ) {
         opal_output (1, "mca_common_ompio_prepare_to_group: error in ompi_fcoll_base_coll_allgather_array\n");
+        free(start_offsets_lens_tmp);
         goto exit;
     }
     end_offsets_tmp = (OMPI_MPI_OFFSET_TYPE* )malloc (fh->f_init_procs_per_group * sizeof(OMPI_MPI_OFFSET_TYPE));
     if (NULL == end_offsets_tmp) {
         opal_output (1, "OUT OF MEMORY\n");
-        goto exit;
+        free(start_offsets_lens_tmp);
+        return OMPI_ERR_OUT_OF_RESOURCE;
     }
     for( k = 0 ; k < fh->f_init_procs_per_group; k++){
         end_offsets_tmp[k] = start_offsets_lens_tmp[3*k] + start_offsets_lens_tmp[3*k+1];