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-rw-r--r--src/H5Tconv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/H5Tconv.c b/src/H5Tconv.c
index 43d9dd2..0444d2c 100644
--- a/src/H5Tconv.c
+++ b/src/H5Tconv.c
@@ -2238,8 +2238,8 @@ H5T_conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, hsize_t nelmts,
d = *dptr;
/* Get length of element sequences */
- seq_len=(*(src->u.vlen.getlen))(src->u.vlen.f,s);
- assert(seq_len>=0);
+ if((seq_len=(*(src->u.vlen.getlen))(src->u.vlen.f,s))<0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "null pointer");
H5_CHECK_OVERFLOW(seq_len,hssize_t,size_t);
src_size=(size_t)seq_len*src_base_size;
dst_size=(size_t)seq_len*dst_base_size;