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-rw-r--r--src/H5Dmpio.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c
index 16243fa..b40ab4b 100644
--- a/src/H5Dmpio.c
+++ b/src/H5Dmpio.c
@@ -3782,6 +3782,10 @@ H5D__mpio_redistribute_shared_chunks_int(H5D_filtered_collective_io_info_t *chun
counts_disps_array = H5MM_xfree(counts_disps_array);
}
+ /* No useful work to do - exit */
+ if (coll_chunk_list_num_entries == 0)
+ HGOTO_DONE(SUCCEED);
+
/*
* Phase 2 - Involved ranks now redistribute any shared chunks to new
* owners as necessary.