From f1daa56cb81259353cbf280f1624cc45620bc41c Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Thu, 28 Jul 2016 15:57:34 +0200
Subject: [PATCH] src/h5core/private/h5_model.c - h5u_set_num_points(): set
 step to '0' if not already set - h5u_set_chunk(): CHECK_TIMEGROUP(f) removed.
 The step must not be set before setting a chunk size

---
 src/h5core/h5u_model.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/h5core/h5u_model.c b/src/h5core/h5u_model.c
index cda85c2..61fb9ff 100644
--- a/src/h5core/h5u_model.c
+++ b/src/h5core/h5u_model.c
@@ -122,6 +122,9 @@ h5u_set_num_points (
 	                   f, (long long unsigned)nparticles,
 	                   (long long unsigned)stride);
 	CHECK_FILEHANDLE (f);
+	if (f->step_gid < 0) {
+                TRY (h5_set_step (fh, 0));
+        }
 	CHECK_TIMEGROUP (f);
 	struct h5u_fdata *u = f->u;
 	hsize_t start;
@@ -765,7 +768,6 @@ h5u_set_chunk (
 		"f=%p, size=%llu",
 		f, (long long unsigned)size);
 	CHECK_FILEHANDLE (f);
-	CHECK_TIMEGROUP (f);
 	if (size == 0) {
 		h5_info ("Disabling chunking" );
 		TRY (hdf5_set_layout_property (