[Xen-changelog] [xen-unstable] remus: libcheckpoint - initialize unused callback fields to NULL

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Shriram Rajagopalan <rshriram@xxxxxxxxx>
# Date 1329762854 0
# Node ID ca80eca9cfa39d1b60d1216948dac5711d550b83
# Parent  a9b81a8014ec0749ed1d7b05a6aef3e15e30228c
remus: libcheckpoint - initialize unused callback fields to NULL

Add a memset to the save_callbacks struct instance in libcheckpoint's
initialization code. New additions to the callback struct will not
need to add an explicit initialization (to NULL), to maintain
compatibility with older xend/remus based invocation of xc_domain_save.

Signed-off-by: Shriram Rajagopalan <rshriram@xxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---


diff -r a9b81a8014ec -r ca80eca9cfa3 
tools/python/xen/lowlevel/checkpoint/checkpoint.c
--- a/tools/python/xen/lowlevel/checkpoint/checkpoint.c Mon Feb 20 18:29:31 
2012 +0000
+++ b/tools/python/xen/lowlevel/checkpoint/checkpoint.c Mon Feb 20 18:34:14 
2012 +0000
@@ -155,6 +155,7 @@
   } else
     self->checkpoint_cb = NULL;
 
+  memset(&callbacks, 0, sizeof(callbacks));
   callbacks.suspend = suspend_trampoline;
   callbacks.postcopy = postcopy_trampoline;
   callbacks.checkpoint = checkpoint_trampoline;

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