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From: Eric Blake <eblake@redhat.com>
Cc: peter.maydell@linaro.org, aliguori@us.ibm.com,
	quintela@redhat.com, Petter Svard <petters@cs.umu.se>,
	stefanha@gmail.com, qemu-devel@nongnu.org,
	mdroth@linux.vnet.ibm.com, blauwirbel@gmail.com,
	Orit Wasserman <owasserm@redhat.com>,
	chegu_vinod@hp.com, Benoit Hudzia <benoit.hudzia@sap.com>,
	avi@redhat.com, pbonzini@redhat.com,
	Aidan Shribman <aidan.shribman@sap.com>
Subject: Re: [Qemu-devel] [PATCH v14 10/13] Add xbzrle_encode_buffer and xbzrle_decode_buffer functions
Date: Tue, 03 Jul 2012 15:39:07 -0600	[thread overview]
Message-ID: <4FF3667B.50106@redhat.com> (raw)
In-Reply-To: <4FF364D8.4020407@redhat.com>

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On 07/03/2012 03:32 PM, Eric Blake wrote:

>> +        ret = uleb128_decode_small(src + i, &count);
>> +        if (ret < 0) {
> 
> An nzrun should be a non-zero value; I'd write this as (ret <= 0) to
> rule out an attempt to pass a zero-length nzrun.

Correcting myself,

if (ret < 0 || !count) {

At this point, I think I will just bite the bullet and post a version of
this code that incorporates my review.

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org




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  reply	other threads:[~2012-07-03 21:39 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-03 13:52 [Qemu-devel] [PATCH v14 00/13] XBZRLE delta for live migration of large memory app Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 01/13] Add MigrationParams structure Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 02/13] Add migration capabilities Orit Wasserman
2012-07-03 18:36   ` Eric Blake
2012-07-05 10:09     ` Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 03/13] Add XBZRLE documentation Orit Wasserman
2012-07-03 19:45   ` Eric Blake
2012-07-04  8:29     ` Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 04/13] Add cache handling functions Orit Wasserman
2012-07-03 19:23   ` Blue Swirl
2012-07-03 19:49     ` Eric Blake
2012-07-04  7:04       ` Orit Wasserman
2012-07-03 20:24   ` Eric Blake
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 05/13] Add uleb encoding/decoding functions Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 06/13] Add save_block_hdr function Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 07/13] Add debugging infrastructure Orit Wasserman
2012-07-03 19:25   ` Blue Swirl
2012-07-04  7:19     ` Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 08/13] Change ram_save_block to return -1 if there are no more changes Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 09/13] Add migration_end function Orit Wasserman
2012-07-03 20:38   ` Eric Blake
2012-07-04  7:19     ` Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 10/13] Add xbzrle_encode_buffer and xbzrle_decode_buffer functions Orit Wasserman
2012-07-03 21:32   ` Eric Blake
2012-07-03 21:39     ` Eric Blake [this message]
2012-07-04  0:20       ` Eric Blake
2012-07-04 12:51         ` Orit Wasserman
2012-07-04  7:24     ` Orit Wasserman
2012-07-04 11:36       ` Eric Blake
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 11/13] Add XBZRLE to ram_save_block and ram_save_live Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 12/13] Add set_cachesize command Orit Wasserman
2012-07-03 13:52 ` [Qemu-devel] [PATCH v14 13/13] Add XBZRLE statistics Orit Wasserman
2012-07-04  1:35   ` Eric Blake

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