From 97483389cbaee7033622f2de3b844e8bc3a59054 Mon Sep 17 00:00:00 2001
From: Raymond Lu <songyulu@hdfgroup.org>
Date: Fri, 23 Mar 2012 10:45:39 -0500
Subject: [svn-r22134] Issue 7785 - follow-up checkin.  I forgot to initialize
 a structure in H5D_read as I did in H5D_write.

Tested on jam - simple change.
---
 src/H5Dio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/H5Dio.c b/src/H5Dio.c
index ef826fe..06e4417 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -434,6 +434,7 @@ H5D_read(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space,
                 || dataset->shared->layout.type == H5D_COMPACT);
 
     /* Call storage method's I/O initialization routine */
+    HDmemset(&fm, 0, sizeof(H5D_chunk_map_t));
     if(io_info.layout_ops.io_init && (*io_info.layout_ops.io_init)(&io_info, &type_info, nelmts, file_space, mem_space, &fm) < 0)
         HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't initialize I/O info")
     io_op_init = TRUE;
-- 
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