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| author | Mohamad Chaarawi <chaarawi@hdfgroup.org> | 2014-07-03 15:59:49 (GMT) |
|---|---|---|
| committer | Mohamad Chaarawi <chaarawi@hdfgroup.org> | 2014-07-03 15:59:49 (GMT) |
| commit | 19707bc2b8bfe520c8fd8418169fc20a6b094f6a (patch) | |
| tree | 20ae17717f24ea34b12b98010be3956cc9354681 | |
| parent | 51ea45ed2ef8b9bb077a72443eb673c5ed6c0bde (diff) | |
| download | hdf5-19707bc2b8bfe520c8fd8418169fc20a6b094f6a.zip hdf5-19707bc2b8bfe520c8fd8418169fc20a6b094f6a.tar.gz hdf5-19707bc2b8bfe520c8fd8418169fc20a6b094f6a.tar.bz2 | |
[svn-r25393] fix HDFFV-8761:
allocating space for zero-length chunked dataset and asserting.
| -rw-r--r-- | src/H5Dchunk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index 0a59ca5..5d7baef 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -743,8 +743,10 @@ H5D__chunk_io_init(const H5D_io_info_t *io_info, const H5D_type_info_t *type_inf fm->select_chunk = NULL; if(io_info->using_mpi_vfd) { H5_CHECK_OVERFLOW(fm->layout->u.chunk.nchunks, hsize_t, size_t); - if(NULL == (fm->select_chunk = (H5D_chunk_info_t **)H5MM_calloc((size_t)fm->layout->u.chunk.nchunks * sizeof(H5D_chunk_info_t *)))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate chunk info") + if(fm->layout->u.chunk.nchunks) { + if(NULL == (fm->select_chunk = (H5D_chunk_info_t **)H5MM_calloc((size_t)fm->layout->u.chunk.nchunks * sizeof(H5D_chunk_info_t *)))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate chunk info") + } } /* end if */ #endif /* H5_HAVE_PARALLEL */ |