From 877dfaaad78242cc7aa7fdb1beb60a5e05800928 Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@hdfgroup.org>
Date: Fri, 9 Oct 2015 23:55:35 -0500
Subject: [svn-r28024] Description:     Clear buffer for driver info block
 before writing it to the file.  (Avoids 'uninitialized memory read' warning
 from valgrind)

Tested on:
    MacOSX/64 10.10.5 (amazon) w/serial & valgrind
    (too minor for h5committest)
---
 src/H5Fsuper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c
index 50f6b06..c6b1c83 100644
--- a/src/H5Fsuper.c
+++ b/src/H5Fsuper.c
@@ -934,6 +934,7 @@ H5F__super_init(H5F_t *f, hid_t dxpl_id)
             HDassert(driver_size <= H5F_MAX_DRVINFOBLOCK_SIZE);
 
             /* Encode driver-specific data */
+            HDmemset(dbuf, 0, sizeof(dbuf));
             if(H5FD_sb_encode(f->shared->lf, info.name, dbuf) < 0)
                 HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information")
 
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