diff options
Diffstat (limited to 'src/H5Dmpio.c')
| -rw-r--r-- | src/H5Dmpio.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c index ee8bde2..467b1b7 100644 --- a/src/H5Dmpio.c +++ b/src/H5Dmpio.c @@ -2806,8 +2806,9 @@ H5D__chunk_redistribute_shared_chunks(const H5D_io_info_t *io_info, const H5D_ty /* Sort the new list in order of previous owner so that each original owner of a chunk * entry gets that entry back, with the possibly newly-modified "new_owner" field */ - HDqsort(shared_chunks_info_array, shared_chunks_info_array_num_entries, - sizeof(H5D_filtered_collective_io_info_t), H5D__cmp_filtered_collective_io_info_entry_owner); + if(shared_chunks_info_array_num_entries > 1) + HDqsort(shared_chunks_info_array, shared_chunks_info_array_num_entries, + sizeof(H5D_filtered_collective_io_info_t), H5D__cmp_filtered_collective_io_info_entry_owner); send_displacements[0] = 0; for (i = 1; i < (size_t) mpi_size; i++) |