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| author | Mohamad Chaarawi <chaarawi@hdfgroup.org> | 2014-07-03 15:43:48 (GMT) |
|---|---|---|
| committer | Mohamad Chaarawi <chaarawi@hdfgroup.org> | 2014-07-03 15:43:48 (GMT) |
| commit | ee9d595a8cd92de04d79436ffcb8e75195ac5964 (patch) | |
| tree | dc9fa3ec9da566ece1abe850fc72c0cb6a474efc /src | |
| parent | 43b3c20c93bc0adbe1af8915ff0c131542da3c7d (diff) | |
| download | hdf5-ee9d595a8cd92de04d79436ffcb8e75195ac5964.zip hdf5-ee9d595a8cd92de04d79436ffcb8e75195ac5964.tar.gz hdf5-ee9d595a8cd92de04d79436ffcb8e75195ac5964.tar.bz2 | |
[svn-r25392] fix HDFFV-8761:
allocating space for zero-length chunked dataset and asserting.
Diffstat (limited to 'src')
| -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 f92260c..20b3c1a 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 */ |