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authorDana Robinson <derobins@hdfgroup.org>2019-06-21 20:18:09 (GMT)
committerDana Robinson <derobins@hdfgroup.org>2019-06-21 20:18:09 (GMT)
commitb4bd49ffdd5e313cd840698709f44f05ea323104 (patch)
tree32798251eb4e916c94fdb40ad00222925de311b4 /src
parent5fc5d947f084d1ef5d4c4a0bc2be55baa181f0fa (diff)
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Fixed some low-hanging fruit from -fsanitize in t_filters_parallel.
Diffstat (limited to 'src')
-rw-r--r--src/H5Dmpio.c5
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++)